[Tests] Migrate backend-independent tests from native to compiler/testData.

^KT-65979
2024-02-25 18:25:58 +01:00
parent dd9332d9e1
commit febac0dd5f
640 changed files with 68168 additions and 6313 deletions
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66094: java.lang.InstantiationError: Foo
+// DONT_TARGET_EXACT_BACKEND: JVM
+// WITH_STDLIB
+
+// FILE: 1.kt
+
+import kotlin.test.*
+
+@SerialInfo
+annotation class Foo(val x: Int, val y: String)
+
+fun box(): String {
+    val foo = @Suppress("ANNOTATION_CLASS_CONSTRUCTOR_CALL") Foo(42, "OK")
+    assertEquals(foo.x, 42)
+    return foo.y
+}
+
+// FILE: 2.kt
+
+@Target(AnnotationTarget.ANNOTATION_CLASS)
+annotation class SerialInfo
@@ -0,0 +1,13 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(97.0, 'a'.toDouble())
+    assertEquals(-1, Char.MAX_VALUE.toShort())
+    assertEquals(32768, Short.MIN_VALUE.toChar().toInt())
+    assertEquals(-1, Char.MAX_VALUE.toByte())
+    assertEquals(65408, Byte.MIN_VALUE.toChar().toInt())
+    assertEquals(0, Float.MIN_VALUE.toChar().toInt())
+
+    return "OK"
+}
@@ -0,0 +1,21 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+private fun charCornersMinus(): Int {
+    val a: Char = 0xFFFF.toChar()
+    val b: Char = 0.toChar()
+    return a - b
+}
+
+private fun charCornersComparison(): Boolean {
+    val a = 0xFFFF.toChar()
+    val b = 0.toChar()
+    return a < b
+}
+
+fun box(): String {
+    assertEquals(65535, charCornersMinus())
+    assertFalse(charCornersComparison())
+
+    return "OK"
+}
@@ -0,0 +1,9 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(1, 0.compareTo(-0.0f))
+    assertEquals(0, 0.compareTo(+0.0f))
+
+    return "OK"
+}
@@ -0,0 +1,15 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(1, 0f.compareTo(-0f))
+    assertEquals(1, 0.0.compareTo(-0.0))
+
+    assertEquals(1.0, Double.fromBits(1.0.toBits()))
+    assertEquals(1.0f, Float.fromBits(1.0f.toBits()))
+
+    assertEquals(Double.NaN, Double.fromBits((0 / 0.0).toBits()))
+    assertEquals(Float.NaN, Float.fromBits((0 / 0f).toBits()))
+
+    return "OK"
+}
@@ -0,0 +1,20 @@
+// WITH_STDLIB
+// KT-66079
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(9.223372E18f, Long.MAX_VALUE.toFloat())
+    assertEquals(-9.223372E18f, Long.MIN_VALUE.toFloat())
+
+    assertEquals(-2.147483648E9, Int.MIN_VALUE.toDouble())
+    assertEquals(2.147483647E9, Int.MAX_VALUE.toDouble())
+
+    assertEquals(2147483647, Double.MAX_VALUE.toInt())
+    assertEquals(0, Float.MIN_VALUE.toLong())
+
+    assertEquals(9223372036854775807, Float.MAX_VALUE.toLong())
+    assertEquals(0, Double.MIN_VALUE.toInt())
+
+    return "OK"
+}
@@ -0,0 +1,9 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val two = 2.0
+    assertEquals(2, two.toInt())
+
+    return "OK"
+}
@@ -0,0 +1,14 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+// Check that compiler doesn't optimize it to `true`
+fun selfCmp1(x: Int) = x + 1 > x
+
+fun selfCmp2(x: Int) = x - 1 < x
+
+fun box(): String {
+    assertFalse(selfCmp1(Int.MAX_VALUE))
+    assertFalse(selfCmp2(Int.MIN_VALUE))
+
+    return "OK"
+}
@@ -0,0 +1,12 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(-2147483648, 1 shl -1)
+    assertEquals(0, 1 shr -1)
+    assertEquals(1, 1 shl 32)
+    assertEquals(1073741823, -1 ushr 2)
+    assertEquals(-1, -1 shr 2)
+
+    return "OK"
+}
@@ -0,0 +1,8 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    assertEquals(UInt.MAX_VALUE, UInt.MIN_VALUE - 1u)
+
+    return "OK"
+}
@@ -0,0 +1,15 @@
+// WITH_STDLIB
+// KT-66080
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// KT-66081
+// IGNORE_BACKEND: WASM
+import kotlin.test.*
+
+fun box(): String {
+    assertFailsWith(ArithmeticException::class, { 5 / 0 })
+    assertFailsWith(ArithmeticException::class, { 5 % 0 })
+    assertEquals(1, 5 / try { 0 / 0; 1 } catch (e: ArithmeticException) { 5 })
+    assertEquals(Double.NaN, 0.0 / 0.0)
+
+    return "OK"
+}
@@ -0,0 +1,26 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+object RGBA {
+    fun packFast(r: Int, g: Int, b: Int, a: Int) = (r shl 0) or (g shl 8) or (b shl 16) or (a shl 24)
+
+    fun getFastR(v: Int): Int = (v ushr 0) and 0xFF
+    fun getFastG(v: Int): Int = (v ushr 8) and 0xFF
+    fun getFastB(v: Int): Int = (v ushr 16) and 0xFF
+    fun getFastA(v: Int): Int = (v ushr 24) and 0xFF
+
+    fun premultiplyFastInt(v: Int): Int {
+        val A = getFastA(v) + 1
+        val RB = (((v and 0x00FF00FF) * A) ushr 8) and 0x00FF00FF
+        val G = (((v and 0x0000FF00) * A) ushr 8) and 0x0000FF00
+        return (v and 0x00FFFFFF.inv()) or RB or G
+    }
+}
+
+fun box(): String {
+    val source = listOf(0xFFFFFFFF.toInt(), 0xFFFFFF77.toInt(), 0x777777FF.toInt(), 0x77777777.toInt())
+    val expect = listOf(-1, -137, 2000107383, 2000107319)
+    assertEquals(expect, source.map { RGBA.premultiplyFastInt(it) })
+
+    return "OK"
+}
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    foo().hashCode()
+
+    return "OK"
+}
+
+fun foo(): Any {
+    return Array<Any?>(0, { i -> null })
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Canonical_nameKt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+interface I<U, T> {
+  fun foo(a: U): T
+  fun qux(a: T): U
+}
+
+//-----------------------------------------------------------------------------//
+
+class A1
+class A2
+
+//-----------------------------------------------------------------------------//
+
+class A : I<A1, A2> {
+  override fun foo(a: A1): A2 { sb.appendLine("A:foo"); return A2() }
+  override fun qux(a: A2): A1 { sb.appendLine("A:qux"); return A1() }
+}
+
+//-----------------------------------------------------------------------------//
+
+fun <U, V> baz(i: I<U, V>, u: U, v:V) {
+  i.foo(u)
+  i.qux(v)
+}
+
+//-----------------------------------------------------------------------------//
+
+fun box(): String {
+  baz<A1, A2>(A(), A1(), A2())
+
+  assertEquals("A:foo\nA:qux\n", sb.toString())
+  return "OK"
+}
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    testCast(null, false)
+    testCastToNullable(null, true)
+    testCastToNullable(TestKlass(), true)
+    testCastToNullable("", false)
+    testCastNotNullableToNullable(TestKlass(), true)
+    testCastNotNullableToNullable("", false)
+
+    return "OK"
+}
+
+class TestKlass
+
+fun ensure(b: Boolean) {
+    if (!b) {
+        throw Error("Error")
+    }
+}
+
+fun testCast(x: Any?, expectSuccess: Boolean) {
+    try {
+        x as TestKlass
+    } catch (e: Throwable) {
+        ensure(!expectSuccess)
+        return
+    }
+    ensure(expectSuccess)
+}
+
+fun testCastToNullable(x: Any?, expectSuccess: Boolean) {
+    try {
+        x as TestKlass?
+    } catch (e: Throwable) {
+        ensure(!expectSuccess)
+        return
+    }
+    ensure(expectSuccess)
+}
+
+fun testCastNotNullableToNullable(x: Any, expectSuccess: Boolean) {
+    try {
+        x as TestKlass?
+    } catch (e: Throwable) {
+        ensure(!expectSuccess)
+        return
+    }
+    ensure(expectSuccess)
+}
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+open class A() {}
+class B(): A() {}
+
+fun castSimple(o: Any) : A = o as A
+
+fun castTest(): Boolean {
+  val b = B()
+  castSimple(b)
+  return true
+}
+
+fun box(): String {
+  if (!castTest()) throw Error()
+
+  return "OK"
+}
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+interface I
+class A() : I {}
+class B() {}
+
+//-----------------------------------------------------------------------------//
+
+fun isTypeOf(a: Any?) : Boolean {
+  return a is A
+}
+
+//-----------------------------------------------------------------------------//
+
+fun isTypeNullableOf(a: Any?) : Boolean {
+  return a is A?
+}
+
+//-----------------------------------------------------------------------------//
+
+fun isNotTypeOf(a: Any) : Boolean {
+  return a !is A
+}
+
+//-----------------------------------------------------------------------------//
+
+fun isTypeOfInterface(a: Any) : Boolean {
+  return a is I
+}
+
+//-----------------------------------------------------------------------------//
+
+fun box(): String {
+  if (!isTypeOf(A())) return "FAIL !isTypeOf(A())"
+  if (isTypeOf(null)) return "FAIL isTypeOf(null)"
+  if (!isTypeNullableOf(A())) return "FAIL !isTypeNullableOf(A())"
+  if (!isTypeNullableOf(null)) return "FAIL !isTypeNullableOf(null)"
+  if (!isNotTypeOf(B())) return "FAIL !isNotTypeOf(B())"
+  if (!isTypeOfInterface(A())) return "FAIL !isTypeOfInterface(A())"
+
+  return "OK"
+}
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+class A {
+  companion object {
+    fun foo() = "OK"
+  }
+}
+
+fun box() = A.foo()
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val s = "world"
+    val i = 1
+    val res1 = "Hello $s $i ${2 * i}"
+    if (res1 != "Hello world 1 2") return "FAIL 1: $res1"
+
+    val a = "a"
+    val res2 = "Hello, $a"
+    if (res2 != "Hello, a") return "FAIL 2: $res2"
+
+    return "OK"
+}
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+//Original issue here https://youtrack.jetbrains.com/issue/KT-37212
+@Suppress("DIVISION_BY_ZERO")
+const val fpInfConst = 1.0F / 0.0F
+@Suppress("DIVISION_BY_ZERO")
+val fpInfVal = 1.0F / 0.0F
+
+fun box(): String {
+    assertEquals(fpInfConst, Float.POSITIVE_INFINITY)
+    assertEquals(fpInfVal, Float.POSITIVE_INFINITY)
+    assertEquals(fpInfConst, fpInfVal)
+
+    return "OK"
+}
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun foo() {
+    Any() as String
+}
+
+fun box(): String {
+    try {
+        foo()
+    } catch (e: Throwable) {
+        return "OK"
+    }
+
+    return "Fail"
+}
@@ -0,0 +1,37 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    assertTrue(Reproducer().repro() > 0)
+
+    return "OK"
+}
+
+// Based on https://youtrack.jetbrains.com/issue/KT-42000#focus=Comments-27-4404934.0-0
+
+val Int.isEven get() = this % 2 == 0
+
+inline operator fun <reified T : Number> T.plus(other: T): T = when (T::class) {
+    Double::class -> (this as Double) + (other as Double)
+    Int::class -> (this as Int) + (other as Int)
+    Long::class -> (this as Long) + (other as Long)
+    else -> TODO()
+} as T
+
+inline fun <reified T : Number> Collection<T>.median(): Double {
+    val sorted = this.sortedBy {
+        it.toDouble()
+    }
+
+    return if (size.isEven || size == 1) {
+        sorted[size / 2]
+    } else {
+        sorted[size / 2] + sorted[size / 2 + 1]
+    }.toDouble()
+}
+
+class Reproducer {
+    private var someListOfLongs = mutableListOf<Long>(1L)
+
+    fun repro() = someListOfLongs.median()
+}
@@ -0,0 +1,14 @@
+// WITH_STDLIB
+import kotlin.test.*
+
+// https://youtrack.jetbrains.com/issue/KT-42000
+
+fun box(): String {
+    assertFailsWith<Error> {
+        when (1) {
+            else -> throw Error()
+        } as String
+    }
+
+    return "OK"
+}
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun local_variable(a: Int) : Int {
+  var b = 0
+  b = a + 11
+  return b
+}
+
+fun box(): String {
+  if (local_variable(3) != 14) throw Error()
+  return "OK"
+}
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+//--- Test "eqeq" -------------------------------------------------------------//
+
+fun check_eqeq(a: Any?) = a == null
+
+fun null_check_eqeq1() : Boolean {
+  return check_eqeq(Any())
+}
+
+fun null_check_eqeq2() : Boolean {
+  return check_eqeq(null)
+}
+
+//--- Test "eqeqeq" -----------------------------------------------------------//
+
+fun check_eqeqeq(a: Any?) = a === null
+
+fun null_check_eqeqeq1() : Boolean {
+  return check_eqeqeq(Any())
+}
+
+fun null_check_eqeqeq2() : Boolean {
+  return check_eqeqeq(null)
+}
+
+fun box(): String {
+  if (null_check_eqeq1())    return "FAIL null_check_eqeq1()"
+  if (!null_check_eqeq2())   return "FAIL !null_check_eqeq2()"
+  if (null_check_eqeqeq1())  return "FAIL null_check_eqeqeq1()"
+  if (!null_check_eqeqeq2()) return "FAIL !null_check_eqeqeq2()"
+
+  return "OK"
+}
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+open class A
+class B : A()
+class C
+
+fun foo(a: Any) : A? = a as? A
+
+fun safe_cast_positive(): Boolean {
+  val b = B()
+  return foo(b) === b
+}
+
+fun safe_cast_negative(): Boolean {
+  val c = C()
+  return foo(c) == null
+}
+
+fun box(): String {
+  val safeCastPositive = safe_cast_positive().toString()
+  val safeCastNegative = safe_cast_negative().toString()
+  if (safeCastPositive != "true") return "FAIL safeCastPositive"
+  if (safeCastNegative != "true") return "FAIL safeCastNegative"
+
+  return "OK"
+}
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+  val list0 = _arrayOf("K", "o", "t", "l", "i", "n")
+  val list1 = _arrayOf("l", "a","n", "g", "u", "a", "g", "e")
+  val list = foo(list0, list1)
+
+  val expected = listOf("K", "o", "t", "l", "i", "n", " ", "i", "s", " ", "c", "o", "o", "l", " ", "l", "a", "n", "g", "u", "a", "g", "e")
+  if (list != expected)
+    return "FAIL: $list"
+  return "OK"
+}
+
+
+fun foo(a:Array<out String>, b:Array<out String>) = listOf(*a," ", "i", "s", " ", "c", "o", "o", "l", " ", *b)
+
+
+fun _arrayOf(vararg arg:String) = arg
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Statements0Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun simple() {
+    var a = 238
+    a++
+    sb.appendLine(a)
+    --a
+    sb.appendLine(a)
+}
+
+class Foo() {
+    val j = 2
+    var i = 29
+
+    fun more() {
+        i++
+    }
+
+    fun less() {
+        --i
+    }
+}
+
+fun fields() {
+    val foo = Foo()
+    foo.more()
+    sb.appendLine(foo.i)
+    foo.less()
+    sb.appendLine(foo.i)
+}
+
+fun box(): String {
+    simple()
+    fields()
+
+    assertEquals("239\n238\n30\n29\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+open class C {
+    open fun f() = "<fun:C>"
+}
+
+class C1: C() {
+    override fun f() = super<C>.f() + "<fun:C1>"
+}
+
+open class C2: C() {
+}
+
+class C3: C2() {
+    override fun f() = super<C2>.f() + "<fun:C3>"
+}
+
+fun box(): String {
+    val c1f = C1().f()
+    if (c1f != "<fun:C><fun:C1>") return "FAIL 1: $c1f"
+    val c3f = C3().f()
+    if (c3f != "<fun:C><fun:C3>") return "FAIL 2: $c3f"
+
+    return "OK"
+}
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+open class C {
+    open val p1 = "<prop:C>"
+}
+
+class C1: C() {
+    override val p1 = super<C>.p1 + "<prop:C1>"
+}
+
+open class C2: C() {
+}
+
+class C3: C2() {
+    override val p1 = super<C2>.p1 + "<prop:C3>"
+}
+
+fun box(): String {
+    val c1p1 = C1().p1
+    if (c1p1 != "<prop:C><prop:C1>") return "FAIL 1: $c1p1"
+    val c3p1 = C3().p1
+    if (c3p1 != "<prop:C><prop:C3>") return "FAIl 2: $c3p1"
+
+    return "OK"
+}
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+open class C {
+    open var p2 = "<prop:C>"
+        set(value)  { field = "<prop:C>" + value }
+}
+
+class C1: C() {
+    override var p2 = super<C>.p2 + "<prop:C1>"
+        set(value) {
+            super<C>.p2 = value
+            field = "<prop:C1>" + super<C>.p2
+        }
+}
+
+open class C2: C() {
+}
+
+class C3: C2() {
+    override var p2 = super<C2>.p2 + "<prop:C3>"
+        set(value) {
+            super<C2>.p2 = value
+            field = "<prop:C3>" + super<C2>.p2
+        }
+}
+
+fun box(): String {
+    val c1 = C1()
+    val c3 = C3()
+    c1.p2 = "zzz"
+    c3.p2 = "zzz"
+    val c1p2 = c1.p2
+    if (c1p2 != "<prop:C1><prop:C>zzz") return "FAIL 1: "
+    val c3p2 = c3.p2
+    if (c3p2 != "<prop:C3><prop:C>zzz") return "FAIL 2: "
+
+    return "OK"
+}
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val x = Bar(42).x
+    if (x != 42 ) return "FAIL: $x"
+        return "OK"
+}
+
+class Foo(val x: Int)
+typealias Bar = Foo
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Unchecked_cast1Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun box(): String {
+    foo<String>("17")
+    bar<String>("17")
+    foo<String>(42)
+    bar<String>(42)
+
+    assertEquals("17\n17\n42\n42\n", sb.toString())
+    return "OK"
+}
+
+fun <T> foo(x: Any?) {
+    val y = x as T
+    sb.appendLine(y.toString())
+}
+
+fun <T> bar(x: Any?) {
+    val y = x as? T
+    sb.appendLine(y.toString())
+}
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66086
+// IGNORE_BACKEND: NATIVE
+// KT-66084
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// KT-66085
+// IGNORE_BACKEND: WASM
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    try {
+        val x = cast<String>(Any())
+        return "FAIL: ${x.length}"
+    } catch (e: Throwable) {
+        return "OK"
+    }
+}
+
+fun <T> cast(x: Any?) = x as T
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    testCast<TestKlass>(TestKlass(), true)
+    testCast<TestKlass>(null, false)
+    testCastToNullable<TestKlass>(null, true)
+
+    return "OK"
+}
+
+class TestKlass
+
+fun ensure(b: Boolean) {
+    if (!b) {
+        println("Error")
+    }
+}
+
+fun <T : Any> testCast(x: Any?, expectSuccess: Boolean) {
+    try {
+        x as T
+    } catch (e: Throwable) {
+        ensure(!expectSuccess)
+        return
+    }
+    ensure(expectSuccess)
+}
+
+fun <T : Any> testCastToNullable(x: Any?, expectSuccess: Boolean) {
+    try {
+        x as T?
+    } catch (e: Throwable) {
+        ensure(!expectSuccess)
+        return
+    }
+    ensure(expectSuccess)
+}
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    CI1I2().uncheckedCast<CI1I2>()
+    CI1I2().uncheckedCast<OtherCI1I2>()
+
+    assertFailsWith<ClassCastException> {
+        Any().uncheckedCast<CI1I2>()
+    }
+
+    return "OK"
+}
+
+fun <R : C> Any?.uncheckedCast() where R : I1, R : I2 {
+    this as R
+}
+
+interface I1
+interface I2
+open class C
+
+class CI1I2 : C(), I1, I2
+class OtherCI1I2 : C(), I1, I2
@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+fun myPrintln(a: Any): Unit {}
+
+fun box(): String {
+    val unit = myPrintln("First")
+    if (unit.toString() != "kotlin.Unit") return "FAIL 1: $unit"
+    return "OK"
+}
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+fun box(): String {
+    val x = foo()
+    if (x.toString() != "kotlin.Unit") return "FAIL: $x"
+    return "OK"
+}
+
+fun foo() {
+    return Unit
+}
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+fun box(): String {
+    val actual = foo(Unit)
+    if (actual != "kotlin.Unit") return "FAIL: $actual"
+    return "OK"
+}
+
+fun foo(x: Any): String {
+    return x.toString()
+}
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+
+fun box(): String {
+    for (x in 0 .. 8) {
+        foo(x, Unit)
+    }
+    return "OK"
+}
+
+var global = 42
+
+fun foo(x: Int, unit: Unit) {
+    var local = 5
+    val y: Unit = when (x) {
+        0 -> {}
+        1 -> local = 6
+        2 -> global = 43
+        3 -> unit
+        4 -> Unit
+        5 -> bar()
+        6 -> return
+        7 -> {
+            5
+            bar()
+        }
+        8 -> {
+            val z: Any = Unit
+            z as Unit
+        }
+        else -> throw Error()
+    }
+
+    if (y !== Unit) {
+        throw Error("Fail at x = $x")
+    }
+}
+
+fun bar() {
+}
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+import kotlin.test.*
+
+fun foo(a: Int, b : Int): Int = a + b * 2
+
+fun box(): String {
+    val array = Array(10) { 100 }
+    val array1 = Array(3) { 0 }
+    var length = array.size  - 1
+    var sum = 0
+
+    array.forEach {
+        sum += it
+    }
+
+    for (i in array.indices) {
+        array[i] = 6
+    }
+
+    for (i in 0 until array.size) {
+        array[i] = 7
+    }
+
+    for (i in array.size - 1 downTo 1) {
+        array[i] = 7
+    }
+
+    for (it in array) {
+        sum += it
+    }
+
+    for (i in 0..array.size - 1 step 2) {
+        array[i] = 7
+    }
+
+    for (i in 0 until array.size step 2) {
+        array[i] = 7
+    }
+
+    for (i in array.indices step 2) {
+        array[i] = 6
+    }
+
+    for (i in array.size - 1 downTo 1 step 2) {
+        array[i] = 7
+    }
+
+    for ((index, value) in array.withIndex()) {
+        array[index] = 8
+    }
+
+    for ((i, v) in (0..array.size - 1 step 2).withIndex()) {
+        array[v] = 8
+        array[i] = 6
+    }
+    for (i in array.reversed()) {
+        sum += i
+    }
+
+    for (i in (0..array.size-1).reversed()) {
+        array [i] = 10
+    }
+
+    for (i in 0 until array.size) {
+        array[i] = 7
+        for (j in 0 until array1.size) {
+            array1[j] = array[i]
+        }
+    }
+
+    val size = array.size - 1
+    val size1 = size
+
+    for (i in 0..size1) {
+        foo(array[i], array[i])
+    }
+
+    for (i in 0..array.size - 2) {
+        array[i+1] = array[i]
+    }
+
+    if (array.toList() != listOf(7, 7, 7, 7, 7, 7, 7, 7, 7, 7)) return "FAIL 1: ${array.toList()}"
+    if (array1.toList() != listOf(7, 7, 7)) return "FAIL 2: ${array1.toList()}"
+
+    return "OK"
+}
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+var needSmallArray = true
+
+val array: Array<Int> = arrayOf(1)
+    get() = if (needSmallArray) field else arrayOf(1, 2, 3)
+
+fun box(): String {
+    val a = array
+    needSmallArray = false
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (index in 0 until array.size) {
+            a[index] = 6
+        }
+    }
+
+    return "OK"
+}
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+// WITH_REFLECT
+import kotlin.test.*
+import kotlin.reflect.KProperty
+
+var needSmallArray = true
+
+class Delegate {
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): Array<Int> {
+        return if (needSmallArray)
+            Array(10) { 100 }
+        else
+            Array(100) { 100 }
+    }
+}
+
+class WithDelegates {
+    val array by Delegate()
+}
+
+fun box(): String {
+    val obj = WithDelegates()
+    needSmallArray = false
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..obj.array.size-1) {
+            needSmallArray = true
+            obj.array[i] = 6
+            needSmallArray = false
+        }
+    }
+
+    return "OK"
+}
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+class Foo(size: Int) {
+    val array = IntArray(size)
+}
+
+class Bar {
+    val smallFoo = Foo(1)
+    val largeFoo = Foo(10)
+
+    val smallArray = smallFoo.array
+    val largeArray = largeFoo.array
+}
+
+fun box(): String {
+    val bar = Bar()
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (index in 0 until bar.largeArray.size) {
+            bar.smallArray[index] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+class First(initArray: Array<Int>) {
+    val array = initArray
+}
+
+class Second(initArray: Array<Int>){
+    val first = First(initArray)
+}
+
+class Third(initArray: Array<Int>) {
+    val second = Second(initArray)
+}
+
+fun box(): String {
+    val a = Third(arrayOf(1, 2, 3, 4, 5))
+    val b = Third(arrayOf(1, 2))
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..a.second.first.array.size-1) {
+            b.second.first.array[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0L }
+    val array1 = Array(3) { 0L }
+    var j = 4
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo 0) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo 0) {
+            array[i *  2] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo 0) {
+            array1[i] = 6
+        }
+    }
+
+    var a = array.size - 1
+    val b = ++a
+    val c = b
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in c downTo 0) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size + 1 downTo 0) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo -1) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size downTo 0) {
+            array[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = UIntArray(10) { 0U }
+    val array1 = UIntArray(3) { 0U }
+    var j = 8
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo 0 step 2) {
+            array[j] = 6U
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo 1 step 2) {
+            array[i + 1] = 6U
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo 1 step 2) {
+            array1[i] = 6U
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in (array.size / 0.2).toInt() downTo 1 step 2) {
+            array[i] = 6U
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size - 1 downTo -3 step 2) {
+            array[i] = 6U
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.size downTo 1 step 2) {
+            array[i] = 6U
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0 }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        array.forEachIndexed { index, _ ->
+            array[index + 1] = 1
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0 }
+    val array1 = Array(3) { 0 }
+    var j = 4
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.indices) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.indices) {
+            array[i + 1] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.indices) {
+            array1[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0L }
+    val array1 = Array(3) { 0L }
+    var j = 8
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.indices step 2) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.indices step 2) {
+            array[i - 1] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in array.indices step 2) {
+            array1[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0L }
+    val array1 = Array(3) { 0L }
+    var j = 4
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size - 1) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    var length = array.size - 1
+    length = 2 * length
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..length) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size - 1) {
+            array[i + 1] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size - 1) {
+            array1[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size + 1) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in -1..array.size - 1) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size) {
+            array[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0L }
+    val array1 = Array(3) { 0L }
+    var j = 8
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size - 1 step 2) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size - 1 step 2) {
+            array[i - 1] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size - 1 step 2) {
+            array1[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size + 1 step 2) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in -1..array.size - 1 step 2) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..array.size step 2) {
+            array[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 100 }
+    val array1 = Array(3) { 0 }
+    var j = 8
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in (0..array.size-1).reversed()) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in (0 until array.size).reversed()) {
+            array1[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in (0..array.size).reversed()) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in (array.size downTo 0).reversed()) {
+            array[i] = 6
+        }
+    }
+    return "OK"
+}
+
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 0L }
+    val array1 = Array(3) { 0L }
+    var j = 4
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size) {
+            array[i - 1] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size) {
+            array1[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size + 10) {
+            array[i] = 6
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = CharArray(10) { '0' }
+    val array1 = CharArray(3) { '0' }
+    var j = 8
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size step 2) {
+            array[j] = '6'
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size step 2) {
+            array[i + 3] = '6'
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until array.size step 2) {
+            array1[i] = '6'
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0 until (array.size/0.5).toInt() step 2) {
+            array[i] = '6'
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in -array.size until array.size step 2) {
+            array[i] = '6'
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+fun box(): String {
+    val array = Array(10) { 100 }
+    val array1 = Array(3) { 0 }
+    var j = 8
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for ((index, value) in array.withIndex()) {
+            array[j] = 6
+            j++
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for ((index, value) in array.withIndex()) {
+            array[index + 1] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for ((index, value) in array.withIndex()) {
+            array[value] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for ((i, v) in (0..array.size + 30 step 2).withIndex()) {
+            array[i] = 6
+        }
+    }
+
+    assertFailsWith<IndexOutOfBoundsException> {
+        for ((i, v) in (0..array.size).withIndex()) {
+            array[v] = 8
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+// WITH_REFLECT
+import kotlin.reflect.KProperty
+import kotlin.test.*
+
+var needSmallArray = true
+
+class Delegate {
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): Array<Int> {
+        return if (needSmallArray)
+            Array(10) { 100 }
+        else
+            Array(100) { 100 }
+    }
+}
+
+open class Base {
+    open val array = Array(10) { 100 }
+    val array1 by Delegate()
+}
+
+class Child : Base() {
+    override val array: Array<Int>
+        get() = if (needSmallArray)
+            Array(10) { 100 }
+        else
+            Array(100) { 100 }
+}
+
+fun box(): String {
+    val obj = Child()
+    val base = Base()
+    needSmallArray = false
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..obj.array.size-1) {
+            needSmallArray = true
+            obj.array[i] = 6
+            needSmallArray = false
+        }
+    }
+
+    needSmallArray = false
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..obj.array1.size-1) {
+            needSmallArray = true
+            obj.array1[i] = 6
+            needSmallArray = false
+        }
+    }
+
+    needSmallArray = false
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..obj.array.size-1) {
+            needSmallArray = true
+            base.array[i] = 6
+            needSmallArray = false
+        }
+    }
+    return "OK"
+}
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// KT-66100: AssertionError: Expected an exception of class IndexOutOfBoundsException to be thrown, but was completed successfully.
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// WITH_STDLIB
+import kotlin.test.*
+
+var needSmallArray = true
+
+class WithGetter() {
+    val array: Array<Int>
+        get() = if (needSmallArray)
+            Array(10) { 100 }
+        else
+            Array(100) { 100 }
+}
+
+fun box(): String {
+    val obj = WithGetter()
+    needSmallArray = false
+    assertFailsWith<IndexOutOfBoundsException> {
+        for (i in 0..obj.array.size-1) {
+            needSmallArray = true
+            obj.array[i] = 6
+            needSmallArray = false
+        }
+    }
+
+    return "OK"
+}
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun <T> areSame(arg1: T, arg2: T): Boolean {
+    return arg1 === arg2
+}
+
+fun Boolean.oneIfTrueElseZero(): Int {
+    return if (this) 1 else 0
+}
+
+fun box(): String {
+    var acc = 0
+    val range = 1000
+
+    for (i in arrayOf(false, true)) {
+        for (j in arrayOf(false, true)) {
+            acc += areSame(i, j).oneIfTrueElseZero()
+        }
+    }
+    if (acc != 2) "FAIL 1: $acc"
+
+    acc = 0
+    for (i in Byte.MIN_VALUE..Byte.MAX_VALUE) {
+        acc += areSame(i, i).oneIfTrueElseZero()
+    }
+    if (acc != 256) "FAIL 2: $acc"
+
+    acc = 0
+    for (i in Short.MIN_VALUE..Short.MAX_VALUE) {
+        acc += areSame(i, i).oneIfTrueElseZero()
+    }
+    if (acc != 256) "FAIL 3: $acc"
+
+    acc = 0
+    for (i in 0.toChar()..range.toChar()) {
+        acc += areSame(i, i).oneIfTrueElseZero()
+    }
+    if (acc != 256) "FAIL 4: $acc"
+
+    acc = 0
+    for (i in -range..range) {
+        acc += areSame(i, i).oneIfTrueElseZero()
+    }
+    if (acc != 256) "FAIL 5: $acc"
+
+    acc = 0
+    for (i in -range.toLong()..range.toLong()) {
+        acc += areSame(i, i).oneIfTrueElseZero()
+    }
+    if (acc != 256) "FAIL 6: $acc"
+
+    return "OK"
+}
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+class Box<T>(t: T) {
+    var value = t
+}
+
+fun box(): String {
+    val box: Box<Int> = Box<Int>(17)
+    if (box.value != 17) return "FAIL 1: ${box.value}"
+
+    val nonConst = 17
+    val box2: Box<Int> = Box<Int>(nonConst)
+    if (box2.value != 17) return "FAIL 1: ${box2.value}"
+
+    return "OK"
+}
+
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing1Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun foo(arg: Any) {
+    sb.appendLine(arg.toString())
+}
+
+fun box(): String {
+    foo(1)
+    foo(2u)
+    foo(false)
+    foo("Hello")
+    val nonConstInt = 1
+    val nonConstUInt = 2u
+    val nonConstBool = false
+    val nonConstString = "Hello"
+    foo(nonConstInt)
+    foo(nonConstUInt)
+    foo(nonConstBool)
+    foo(nonConstString)
+
+    assertEquals("""
+        1
+        2
+        false
+        Hello
+        1
+        2
+        false
+        Hello
+
+    """.trimIndent(), sb.toString())
+    return "OK"
+}
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun box(): String {
+    val FALSE: Boolean? = false
+
+    if (FALSE != null) {
+        do {
+            return "OK"
+        } while (FALSE)
+    }
+    return "FAIL"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing11Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x)
+
+class Foo(val value: Int?) {
+    fun foo() {
+        printInt(if (value != null) value else 42)
+    }
+}
+
+fun box(): String {
+    Foo(17).foo()
+    Foo(null).foo()
+
+    assertEquals("17\n42\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing12Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun foo(x: Number) {
+    sb.appendLine(x.toByte())
+}
+
+fun box(): String {
+    foo(18)
+    val nonConst = 18
+    foo(nonConst)
+
+    assertEquals("18\n18\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing13Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun is42(x: Any?) {
+    sb.appendLine(x == 42)
+    sb.appendLine(42 == x)
+}
+
+fun box(): String {
+    is42(16)
+    is42(42)
+    is42("42")
+    val nonConst16 = 16
+    val nonConst42 = 42
+    val nonConst42String = "42"
+    is42(nonConst16)
+    is42(nonConst42)
+    is42(nonConst42String)
+
+    assertEquals("""
+        false
+        false
+        true
+        true
+        false
+        false
+        false
+        false
+        true
+        true
+        false
+        false
+        
+    """.trimIndent(), sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing14Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun box(): String {
+    42.println()
+    val nonConst = 42
+    nonConst.println()
+
+    assertEquals("42\n42\n", sb.toString())
+    return "OK"
+}
+
+fun <T> T.println() = sb.appendLine(this)
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun box(): String {
+    val res1 = foo(17)
+    if (res1 != 17) return "FAIL 1: $res1"
+
+    val nonConst = 17
+    val res2 = foo(nonConst)
+    if (res2 != 17) return "FAIL 2: $res2"
+
+    return "OK"
+}
+
+fun <T : Int> foo(x: T): Int = x
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing2Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x.toString())
+fun printBoolean(x: Boolean) = sb.appendLine(x.toString())
+fun printUInt(x: UInt) = sb.appendLine(x.toString())
+
+fun foo(arg: Any) {
+    if (arg is Int)
+        printInt(arg)
+    else if (arg is Boolean)
+        printBoolean(arg)
+    else if (arg is UInt)
+        printUInt(arg)
+    else
+        sb.appendLine("other")
+}
+
+fun box(): String {
+    foo(1)
+    foo(2u)
+    foo(true)
+    foo("Hello")
+    val nonConstInt = 1
+    val nonConstUInt = 2u
+    val nonConstBool = true
+    val nonConstString = "Hello"
+    foo(nonConstInt)
+    foo(nonConstUInt)
+    foo(nonConstBool)
+    foo(nonConstString)
+
+    assertEquals("""
+        1
+        2
+        true
+        other
+        1
+        2
+        true
+        other
+        
+    """.trimIndent(), sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing3Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x)
+
+fun foo(arg: Int?) {
+    if (arg != null)
+        printInt(arg)
+}
+
+fun box(): String {
+    foo(42)
+    val nonConst = 42
+    foo(nonConst)
+
+    assertEquals("42\n42\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing4Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x)
+
+fun foo(arg: Any?) {
+    if (arg is Int? && arg != null)
+        printInt(arg)
+}
+
+fun box(): String {
+    foo(16)
+    val nonConst = 16
+    foo(nonConst)
+
+    assertEquals("16\n16\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing5Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x)
+
+fun foo(arg: Int?) {
+    printInt(arg ?: 16)
+}
+
+fun box(): String {
+    foo(null)
+    foo(42)
+    val nonConstNull = null
+    val nonConstInt = 42
+    foo(nonConstNull)
+    foo(nonConstInt)
+
+    assertEquals("16\n42\n16\n42\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing6Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x)
+
+fun foo(arg: Any) {
+    printInt(arg as? Int ?: 16)
+}
+
+fun box(): String {
+    foo(42)
+    foo("Hello")
+    val nonConstInt = 42
+    val nonConstString = "Hello"
+    foo(nonConstInt)
+    foo(nonConstString)
+
+    assertEquals("42\n16\n42\n16\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing7Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun printInt(x: Int) = sb.appendLine(x)
+
+fun foo(arg: Any) {
+    val argAsInt = try {
+        arg as Int
+    } catch (e: ClassCastException) {
+        0
+    }
+    printInt(argAsInt)
+}
+
+fun box(): String {
+    foo(1)
+    foo("Hello")
+    val nonConstInt = 1
+    val nonConstString = "Hello"
+    foo(nonConstInt)
+    foo(nonConstString)
+
+    assertEquals("1\n0\n1\n0\n", sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing8Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun foo(vararg args: Any?) {
+    for (arg in args) {
+        sb.appendLine(arg.toString())
+    }
+}
+
+fun box(): String {
+    foo(1, null, true, "Hello")
+    val nonConstInt = 1
+    val nonConstNull = null
+    val nonConstBool = true
+    val nonConstString = "Hello"
+    foo(nonConstInt, nonConstNull, nonConstBool, nonConstString)
+
+    assertEquals("""
+        1
+        null
+        true
+        Hello
+        1
+        null
+        true
+        Hello
+
+    """.trimIndent(), sb.toString())
+    return "OK"
+}
@@ -0,0 +1,9 @@
+MODULE main
+	CLASS Boxing9Kt.class
+		PACKAGE METADATA
+			PROPERTY getSb()Ljava/lang/StringBuilder;
+				Property: class.metadata.property.returnType
+					K1
+						java/lang/StringBuilder /* = kotlin/text/StringBuilder^ */
+					K2
+						java/lang/StringBuilder
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// JVM_ABI_K1_K2_DIFF: KT-63864
+// WITH_STDLIB
+
+import kotlin.test.*
+
+val sb = StringBuilder()
+
+fun foo(vararg args: Any?) {
+    for (arg in args) {
+        sb.appendLine(arg.toString())
+    }
+}
+
+fun bar(vararg args: Any?) {
+    foo(1, *args, 2, *args, 3)
+}
+
+fun box(): String {
+    bar(null, true, "Hello")
+
+    assertEquals("""
+        1
+        null
+        true
+        Hello
+        2
+        null
+        true
+        Hello
+        3
+
+    """.trimIndent(), sb.toString())
+    return "OK"
+}
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+// KT-54635: expected:<[OK]> but was:<[FAIL 1: 0]>
+// IGNORE_BACKEND: JS_IR, JS_IR_ES6
+// KT-66099: CompileError: WebAssembly.Module(): Compiling function #3415:"box" failed: Invalid types for ref.cast null: local.get of type f64 has to be in the same reference type hierarchy as (ref 686) @+237036
+// IGNORE_BACKEND: WASM
+// WITH_STDLIB
+
+import kotlin.test.*
+
+// Reproducer is copied from FloatingPointParser.unaryMinus()
+inline fun <reified T> unaryMinus(value: T): T {
+    return when (value) {
+        is Float -> -value as T
+        is Double -> -value as T
+        else -> throw NumberFormatException()
+    }
+}
+
+fun box(): String {
+    val res1 = unaryMinus(0.0).toString()
+    if (res1 != "-0.0") return "FAIL 1: $res1"
+
+    val res2 = unaryMinus(0.0f).toString()
+    if (res2 != "-0.0") return "FAIL 2: $res2"
+
+    return "OK"
+}
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun advanced_when2(i: Int): Int {
+  var value = 1
+  when (i) {
+    10 -> {val v = 42; value = v}
+    11 -> {val v = 43; value = v}
+    12 -> {val v = 44; value = v}
+  }
+
+  return value
+}
+
+fun box(): String {
+  val res = advanced_when2(10)
+  if (res != 42) return "FAIL $res"
+
+  return "OK"
+}
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun advanced_when5(i: Int): Int {
+  when (i) {
+    0 -> { val v = 42; return v}
+    1 -> { val v = 42; return v}
+    2 -> { val v = 42; return v}
+    3 -> { val v = 42; return v}
+    4 -> { val v = 42; return v}
+    else -> return 24
+  }
+}
+
+fun box(): String {
+  val res = advanced_when5(5)
+  if (res != 24) return "FAIL $res"
+
+  return "OK"
+}
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun if_else(b: Boolean): Int {
+  if (b) return 42
+  else   return 24
+}
+
+fun box(): String {
+  val res = if_else(false)
+  if (res != 24) return "FAIL: $res"
+
+  return "OK"
+}
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun when2(i: Int): Int {
+  when (i) {
+    0 -> return 42
+    else -> return 24
+  }
+}
+
+fun box(): String {
+  val res = when2(0)
+  if (res != 42) return "FAIL $res"
+
+  return "OK"
+}
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun when5(i: Int): Int {
+  when (i) {
+    0 -> return 42
+    1 -> return 4
+    2 -> return 3
+    3 -> return 2
+    4 -> return 1
+  }
+  return 24
+}
+
+fun box(): String {
+  val res = when5(5)
+  if (res != 24) return "FAIL $res"
+
+  return "OK"
+}
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun when5(i: Int): Int {
+  when (i) {
+    0 -> return 42
+    1 -> return 4
+    2 -> return 3
+    3 -> return 2
+    4 -> return 1
+    else -> return 24
+  }
+}
+
+fun box(): String {
+  val res = when5(2)
+  if (res != 3) return "FAIL $res"
+
+  return "OK"
+}
@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun foo() {
+}
+
+fun box(): String {
+    if (true) foo() else foo()
+
+    return "OK"
+}
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the LICENSE file.
+ */
+// WITH_STDLIB
+
+import kotlin.test.*
+
+fun box(): String {
+    main(emptyArray())
+
+    return "OK"
+}
+
+fun main(args: Array<String>) {
+    val b = args.size < 1
+    val x = if (b) Any() else throw Error()
+}
--- a/Show More
+++ b/Show More