[atomicfu-K/N] Tests for K/N atomicfu-compiler-plugin

* `nativeTest` task now allows to provide compiler plugins that may be enabled during test compilation * test sets for JVM and K/N backends are equal KT-60800 describes all the issues with native tests that were solved in this commit. Co-authored-by: Dmitriy Dolovov <Dmitriy.Dolovov@jetbrains.com> Merge-request: KT-MR-11401 Merged-by: Maria Sokolova <maria.sokolova@jetbrains.com>
2023-08-16 09:41:29 +00:00
parent 8f03eb9314
commit 9ff0e0b046
38 changed files with 2644 additions and 33 deletions
@@ -0,0 +1,36 @@
+import kotlinx.atomicfu.*
+import kotlin.test.*
+
+class SimpleLockTest {
+    fun withLock() {
+        val lock = SimpleLock()
+        val result = lock.withLock {
+            "OK"
+        }
+        assertEquals("OK", result)
+    }
+}
+
+class SimpleLock {
+    private val _locked = atomic(0)
+
+    fun <T> withLock(block: () -> T): T {
+        // this contrieves construct triggers Kotlin compiler to reuse local variable slot #2 for
+        // the exception in `finally` clause
+        try {
+            _locked.loop { locked ->
+                check(locked == 0)
+                if (!_locked.compareAndSet(0, 1)) return@loop // continue
+                return block()
+            }
+        } finally {
+            _locked.value = 0
+        }
+    }
+}
+
+@Test
+fun box() {
+    val testClass = SimpleLockTest()
+    testClass.withLock()
+}