kotlinx.atomicfu JVM/IR compiler plugin support

Merge-request: KT-MR-6541 Merged-by: Maria Sokolova <maria.sokolova@jetbrains.com>
2022-06-26 07:17:06 +00:00
parent eaad75fd52
commit 8053746ae0
62 changed files with 4249 additions and 349 deletions
@@ -0,0 +1,92 @@
+import kotlinx.atomicfu.*
+import kotlin.test.*
+
+class LoopTest {
+    val a = atomic(0)
+    val a1 = atomic(1)
+    val b = atomic(true)
+    val l = atomic(5000000000)
+    val r = atomic<A>(A("aaaa"))
+    val rs = atomic<String>("bbbb")
+
+    class A(val s: String)
+
+    private inline fun casLoop(to: Int): Int {
+        a.loop { cur ->
+            if (a.compareAndSet(cur, to)) return a.value
+            return 777
+        }
+    }
+
+    private inline fun casLoopExpression(to: Int): Int = a.loop { cur ->
+        if (a.compareAndSet(cur, to)) return a.value
+        return 777
+    }
+
+    private inline fun AtomicInt.extensionLoop(to: Int): Int {
+        loop { cur ->
+            if (compareAndSet(cur, to)) return value
+            return 777
+        }
+    }
+
+    private inline fun AtomicInt.extensionLoopExpression(to: Int): Int = loop { cur ->
+        lazySet(cur + 10)
+        return if (compareAndSet(cur, to)) value else incrementAndGet()
+    }
+
+    private inline fun AtomicInt.extensionLoopMixedReceivers(first: Int, second: Int): Int {
+        loop { cur ->
+            compareAndSet(cur, first)
+            a.compareAndSet(first, second)
+            return value
+        }
+    }
+
+    private inline fun AtomicInt.extensionLoopRecursive(to: Int): Int {
+        loop { cur ->
+            compareAndSet(cur, to)
+            a.extensionLoop(5)
+            return value
+        }
+    }
+
+    private inline fun AtomicInt.foo(to: Int): Int {
+        loop { cur ->
+            if (compareAndSet(cur, to)) return 777
+            else return value
+        }
+    }
+
+    private inline fun AtomicInt.bar(delta: Int): Int {
+        return foo(value + delta)
+    }
+
+    fun testIntExtensionLoops() {
+        assertEquals(5, casLoop(5))
+        assertEquals(6, casLoopExpression(6))
+        assertEquals(66, a.extensionLoop(66))
+        assertEquals(77, a.extensionLoopExpression(777))
+        assertEquals(99, a.extensionLoopMixedReceivers(88, 99))
+        assertEquals(5, a.extensionLoopRecursive(100))
+        assertEquals(777, a.bar(100))
+    }
+}
+
+private val ref = atomic<String>("aaa")
+
+private inline fun AtomicRef<String>.topLevelExtensionLoop(to: String): String = loop { cur ->
+    lazySet(cur + to)
+    return value
+}
+
+fun testTopLevelExtensionLoop() {
+    assertEquals("aaattt", ref.topLevelExtensionLoop("ttt"))
+}
+
+fun box(): String {
+    val testClass = LoopTest()
+    testClass.testIntExtensionLoops()
+    testTopLevelExtensionLoop()
+    return "OK"
+}