Disable running checkers by default (#4644)

* Make checkers be disabled by default

* Allow running checkers in test launcher

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

@@ -1,24 +0,0 @@
-/*
- * Copyright 2010-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
- * that can be found in the LICENSE file.
- */
-@file:OptIn(ExperimentalStdlibApi::class)
-
-import kotlin.test.*
-
-import kotlin.native.internal.*
-
-// This cleaner won't be run, because it's deinitialized with globals after
-// cleaners are disabled.
-val globalCleaner = createCleaner(42) {
-    println(it)
-}
-
-fun main() {
-    // Cleaner holds onto a finalization lambda. If it doesn't get executed,
-    // the memory will leak. Suppress memory leak checker to check for cleaners
-    // leak only.
-    Platform.isMemoryLeakCheckerActive = false
-    // Make sure cleaner is initialized.
-    assertNotNull(globalCleaner)
-}

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

@@ -16,10 +16,6 @@ val globalCleaner = createCleaner(42) {
 }
 
 fun main() {
-    // Cleaner holds onto a finalization lambda. If it doesn't get executed,
-    // the memory will leak. Suppress memory leak checker to check for cleaners
-    // leak only.
-    Platform.isMemoryLeakCheckerActive = false
     Platform.isCleanersLeakCheckerActive = true
     // Make sure cleaner is initialized.
     assertNotNull(globalCleaner)

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

@@ -16,11 +16,6 @@ val globalCleaner = createCleaner(42) {
 }
 
 fun main() {
-    // Cleaner holds onto a finalization lambda. If it doesn't get executed,
-    // the memory will leak. Suppress memory leak checker to check for cleaners
-    // leak only.
-    Platform.isMemoryLeakCheckerActive = false
-    Platform.isCleanersLeakCheckerActive = false
     // Make sure cleaner is initialized.
     assertNotNull(globalCleaner)
 }

kotlin-native/backend.native/tests/runtime/memory/cycle_collector.kt

@@ -1,5 +1,6 @@
 import kotlin.native.concurrent.*
 import kotlin.native.internal.GC
+import kotlin.native.Platform
 import kotlin.test.*
 
 fun test1() {
@@ -175,6 +176,7 @@ fun test9() {
 }
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     kotlin.native.internal.GC.cyclicCollectorEnabled = true
     test1()
     test2()
@@ -187,4 +189,4 @@ fun main() {
     test7()
     test8()
     test9()
-}
+}

kotlin-native/backend.native/tests/runtime/memory/cycle_detector.kt

@@ -1,5 +1,6 @@
 import kotlin.native.concurrent.*
 import kotlin.native.internal.GC
+import kotlin.native.Platform
 import kotlin.test.*
 
 class Holder(var other: Any?)
@@ -32,6 +33,11 @@ fun assertArrayEquals(
     }
 }
 
+@BeforeTest
+fun enableMemoryChecker() {
+    Platform.isMemoryLeakCheckerActive = true
+}
+
 @Test
 fun noCycles() {
     val atomic1 = AtomicReference<Any?>(null)

kotlin-native/backend.native/tests/runtime/memory/leak_memory.kt

@@ -1,5 +1,7 @@
 import kotlinx.cinterop.*
+import kotlin.native.Platform
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     StableRef.create(Any())
 }

kotlin-native/backend.native/tests/runtime/memory/leak_memory_test_runner.kt

@@ -0,0 +1,14 @@
+import kotlin.test.*
+
+import kotlinx.cinterop.*
+import kotlin.native.Platform
+
+@BeforeTest
+fun enableMemoryChecker() {
+    Platform.isMemoryLeakCheckerActive = true
+}
+
+@Test
+fun test() {
+    StableRef.create(Any())
+}

kotlin-native/backend.native/tests/runtime/workers/leak_memory_with_worker_termination.kt

@@ -1,7 +1,9 @@
 import kotlin.native.concurrent.*
+import kotlin.native.Platform
 import kotlinx.cinterop.*
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     val worker = Worker.start()
     // Make sure worker is initialized.
     worker.execute(TransferMode.SAFE, {}, {}).result;

kotlin-native/backend.native/tests/runtime/workers/leak_worker.kt

@@ -1,7 +1,9 @@
 import kotlin.native.concurrent.*
+import kotlin.native.Platform
 import kotlinx.cinterop.*
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     val worker = Worker.start()
     // Make sure worker is initialized.
     worker.execute(TransferMode.SAFE, {}, {}).result;

kotlin-native/backend.native/tests/runtime/workers/worker_threadlocal_no_leak.kt

@@ -4,11 +4,13 @@
  */
 
 import kotlin.native.concurrent.*
+import kotlin.native.Platform
 
 @ThreadLocal
 var x = Any()
 
 fun main() {
+    Platform.isMemoryLeakCheckerActive = true
     val worker = Worker.start()
 
     worker.execute(TransferMode.SAFE, {}) {