Add Contract tests for JS

compiler/testData/codegen/boxInline/contracts/cfgDependendValInitialization.kt

@@ -0,0 +1,40 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect +ReadDeserializedContracts
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+// IGNORE_BACKEND: JVM_IR
+// IGNORE_BACKEND: NATIVE
+// FILE: 1.kt
+package test
+
+import kotlin.contracts.*
+
+@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+public inline fun <R> myrun(block: () -> R): R {
+    contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    return block()
+}
+
+
+// FILE: 2.kt
+import test.*
+
+fun test(b: Boolean): Int {
+    val x: Int
+
+    if (b) {
+        x = 1
+    } else {
+        myrun {
+            x = -1
+        }
+    }
+    return x
+}
+
+fun box(): String {
+
+    if (test(true) != 1) return "Fail 1"
+    if (test(false) != -1) return "Fail 2"
+    return "OK"
+}

compiler/testData/codegen/boxInline/contracts/definiteValInitInInitializer.kt

@@ -0,0 +1,38 @@
+// !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect +ReadDeserializedContracts
+// !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
+// IGNORE_BACKEND: JVM_IR
+// IGNORE_BACKEND: NATIVE
+// NO_CHECK_LAMBDA_INLINING
+// FILE: 1.kt
+package test
+
+import kotlin.contracts.*
+
+@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
+public inline fun <R> myrun(block: () -> R): R {
+    contract {
+        callsInPlace(block, InvocationKind.EXACTLY_ONCE)
+    }
+    return block()
+}
+
+
+// FILE: 2.kt
+import test.*
+
+class A {
+    val x: String
+
+    constructor() {
+    }
+
+    init {
+        val o: String
+        val k: String = "K"
+        myrun { o = "O" }
+        fun baz() = o + k
+        x = baz()
+    }
+}
+
+fun box() = A().x

compiler/testData/codegen/boxInline/contracts/propertyInitialization.kt

@@ -1,6 +1,7 @@
 // !LANGUAGE: +AllowContractsForCustomFunctions +UseCallsInPlaceEffect +ReadDeserializedContracts
 // !USE_EXPERIMENTAL: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: JVM_IR
+// IGNORE_BACKEND: JS_IR
 // IGNORE_BACKEND: NATIVE
 // FILE: 1.kt
 package test