BC native tests port to Konan's TestRunner

backend.native/tests/runtime/text/chars0.kt

@@ -1,3 +1,7 @@
+package runtime.text.chars0
+
+import kotlin.test.*
+
 fun assertTrue(v: Boolean) = if (!v) throw AssertionError() else Unit
 fun assertFalse(v: Boolean) = if (v) throw AssertionError() else Unit
 fun assertEquals(a: Int, b: Int) { if (a != b) throw AssertionError() }
@@ -103,7 +107,7 @@ fun testCategory() {
     } catch (e: IllegalArgumentException) {}
 }
 
-fun main(args: Array<String>) {
+@Test fun runTest() {
     testIsSurrogatePair()
     testToChars()
     testToCodePoint()

backend.native/tests/runtime/text/parse0.kt

@@ -1,4 +1,8 @@
-fun main(args: Array<String>) {
+package runtime.text.parse0
+
+import kotlin.test.*
+
+@Test fun runTest() {
     println("false".toBoolean())
     println("true".toBoolean())
     println("-1".toByte())

backend.native/tests/runtime/text/string0.kt

@@ -1,4 +1,8 @@
-fun main(args: Array<String>) {
+package runtime.text.string0
+
+import kotlin.test.*
+
+@Test fun runTest() {
     val str = "hello"
     println(str.equals("HElLo", true))
     val strI18n = "Привет"

backend.native/tests/runtime/text/string_builder0.kt

@@ -1,3 +1,7 @@
+package runtime.text.string_builder0
+
+import kotlin.test.*
+
 // Utils ====================================================================================================
 fun assertTrue(cond: Boolean) {
     if (!cond)
@@ -262,7 +266,7 @@ fun testBasic() {
     assertEquals("", sb.toString())
 }
 
-fun main(args : Array<String>) {
+@Test fun runTest() {
     testBasic()
     testInsert()
     testReverse()

backend.native/tests/runtime/text/string_builder1.kt

@@ -1,4 +1,8 @@
-fun main(arg:Array<String>) {
+package runtime.text.string_builder1
+
+import kotlin.test.*
+
+@Test fun runTest() {
     val a = StringBuilder()
     a.append("Hello").appendln("Kotlin").appendln(42).appendln(0.1).appendln(true)
     println(a.toString())	

backend.native/tests/runtime/text/to_string0.kt

@@ -1,3 +1,7 @@
+package runtime.text.to_string0
+
+import kotlin.test.*
+
 // Based on Apache Harmony tests.
 
 fun assertEquals(actual: String, expected: String, msg: String) {
@@ -34,7 +38,7 @@ fun testLongToStringWithRadix() {
 
 }
 
-fun main(args: Array<String>) {
+@Test fun runTest() {
     testIntToStringWithRadix()
     testLongToStringWithRadix()
     println("OK")