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

kotlin-native/backend.native/tests/runtime/basic/print_utf8.kt

@@ -0,0 +1,37 @@
+/*
+ * 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 runtime.basic.print_utf8
+
+import kotlin.test.*
+import kotlinx.cinterop.toKString
+
+fun convertUtf8to16(byteArray: ByteArray, action: (String) -> Unit) {
+    byteArray.decodeToString().let { action(it) }
+    byteArray.toKString().let { action(it) }
+}
+
+@Test
+fun testPrint() {
+    // Valid strings.
+    println("Hello")
+    println("Привет")
+    println("\uD800\uDC00")
+    println("")
+
+    // Illegal surrogate pair -> default output
+    println("\uDC00\uD800")
+    // Lone surrogate -> default output
+    println("\uD80012")
+    println("\uDC0012")
+    println("12\uD800")
+
+    // https://github.com/JetBrains/kotlin-native/issues/1091
+    val array = byteArrayOf(0xF0.toByte(), 0x9F.toByte(), 0x98.toByte(), 0xA5.toByte())
+    convertUtf8to16(array) { badString ->
+        assertEquals(2, badString.length)
+        println(badString)
+    }
+}

kotlin-native/backend.native/tests/runtime/basic/print_utf8.out

@@ -0,0 +1,10 @@
+Hello
+Привет
+𐀀
+
+��
+�12
+�12
+12�
+😥
+😥