Add ir interpreter tests

compiler/testData/ir/interpreter/generatedStdlib/contains.kt

@@ -0,0 +1,7 @@
+import kotlin.collections.*
+import kotlin.sequences.*
+
+const val a = intArrayOf(1, 2, 3).<!EVALUATED: `true`!>contains(1)<!>
+const val b = intArrayOf(1, 2, 3).<!EVALUATED: `false`!>contains(4)<!>
+const val c = arrayOf(1, "2", 3.0).<!EVALUATED: `true`!>contains("2")<!>
+const val d = sequenceOf(1, 2, 3).<!EVALUATED: `true`!>contains(2)<!>

compiler/testData/ir/interpreter/generatedStdlib/elementAtOrElse.kt

@@ -0,0 +1,9 @@
+import kotlin.*
+import kotlin.collections.*
+import kotlin.text.*
+
+const val a = listOf(1, 2, 3).<!EVALUATED: `2`!>elementAtOrElse(1) { -1 }<!>
+const val b = listOf(1, 2, 3).<!EVALUATED: `-1`!>elementAtOrElse(4) { -1 }<!>
+const val c = uintArrayOf(1u, 2u, 3u, 4u).<!EVALUATED: `3`!>elementAtOrElse(2) { 0u }<!>
+const val d = "abcd".<!EVALUATED: `c`!>elementAtOrElse(2) { '0' }<!>
+const val e = "abcd".<!EVALUATED: `0`!>elementAtOrElse(4) { '0' }<!>

compiler/testData/ir/interpreter/generatedStdlib/first.kt

@@ -0,0 +1,11 @@
+import kotlin.*
+import kotlin.collections.*
+import kotlin.text.*
+
+const val a = "abcs".<!EVALUATED: `a`!>first()<!>
+const val b = UIntArray(3) { it.toUInt() }.<!EVALUATED: `0`!>first()<!>
+const val c = <!EVALUATED: `1`!>listOf(1, "2", 3.0).first() as Int<!>
+const val d = listOf<Int>().<!WAS_NOT_EVALUATED: `
+Exception java.util.NoSuchElementException: List is empty.
+	at CollectionsKt.kotlin.collections.first(Collections.kt:88)
+	at FirstKt.<clinit>(first.kt:8)`!>first()<!>

compiler/testData/ir/interpreter/generatedStdlib/joinToString.kt

@@ -0,0 +1,5 @@
+import kotlin.collections.*
+import kotlin.sequences.*
+
+const val a = listOf(1, 2, 3).<!EVALUATED: `1, 2, 3`!>joinToString()<!>
+const val b = sequenceOf(-1, -2, -3).<!EVALUATED: `-1.-2.-3`!>joinToString(separator = ".")<!>

compiler/testData/ir/interpreter/generatedStdlib/toList.kt

@@ -0,0 +1,16 @@
+import kotlin.*
+import kotlin.collections.*
+import kotlin.text.*
+import kotlin.sequences.*
+
+const val zeroElementIntArrayToList = intArrayOf().toList().<!EVALUATED: `0`!>size<!>
+const val singleElementIntArrayToList = intArrayOf(1).toList().<!EVALUATED: `1`!>size<!>
+const val intArrayToList = intArrayOf(1, 2, 3).toList().<!EVALUATED: `3`!>size<!>
+const val customArrayToList = <!EVALUATED: `Some other value`!>arrayOf(1, "2", 3.0, "Some other value").toList()[3] as String<!>
+
+const val listFromSet = setOf(1, 2, 2, 3, 3).toList().<!EVALUATED: `1, 2, 3`!>joinToString()<!>
+const val listFromIterable = mapOf(1 to "One", 2 to "Two", 3 to "Three").entries.toList().<!EVALUATED: `1=One, 2=Two, 3=Three`!>joinToString()<!>
+
+const val stringToList = "String".toList().<!EVALUATED: `S, t, r, i, n, g`!>joinToString()<!>
+
+const val sequenceToList = sequenceOf(3, 2, 1).toList().<!EVALUATED: `3, 2, 1`!>joinToString()<!>

compiler/testData/ir/interpreter/generatedStdlib/trim.kt

@@ -0,0 +1,5 @@
+import kotlin.text.*
+
+const val trimmed = "  1  ".<!EVALUATED: `1`!>trim()<!>
+const val trimmedWithPredicate = ("  2  " as CharSequence).trim { it.isWhitespace() }.<!EVALUATED: `2`!>toString()<!>
+const val charSequenceTrim = ("  3  " as CharSequence).trim().<!EVALUATED: `3`!>toString()<!>