[K/N] Migrate some runtime/basic tests to new testing infra ^KT-61259

kotlin-native/runtime/test/utils/ScopeFunctionsTest.kt

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2010-2023 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.
+ */
+
+package test.utils
+
+import kotlin.test.*
+
+private class Box(val value: Int)
+
+class ScopeFunctionsTest {
+    @Test
+    fun testLet() {
+        val box = Box(42)
+        assertEquals(42, box.let { it.value })
+    }
+
+    @Test
+    fun testWith() {
+        val box = Box(42)
+        assertEquals(42, with(box) { value })
+    }
+
+    @Test
+    fun testRun() {
+        assertEquals(42, run { 42 })
+        val box = Box(42)
+        assertEquals(42, box.run { value })
+    }
+
+    @Test
+    fun testApply() {
+        val box = Box(42)
+        assertEquals(box, box.apply { value })
+    }
+
+    @Test
+    fun testAlso() {
+        val box = Box(42)
+        assertEquals(box, box.also { it.value })
+    }
+}