kotlinx.atomicfu compiler plugin for JS_IR backend (#4581)

* kotlinx.atomicfu compiler plugin for JS_IR Support transformations of atomic operations introduced by the kotlinx.atomicfu library for the JS_IR backend. Compiler plugin is applied externally by the kotlinx.atomicfu gradle plugin. * Apply compiler plugin for JS platform only * New plugin test structure * testGroupOutputDirPrefix changed
2021-12-01 22:33:13 +03:00
parent 05695761ec
commit 93561a1a55
45 changed files with 2655 additions and 4 deletions
@@ -0,0 +1,54 @@
+import kotlinx.atomicfu.*
+import kotlin.test.*
+
+private val topLevelS = atomic<Any>(arrayOf("A", "B"))
+
+class UncheckedCastTest {
+    private val s = atomic<Any>("AAA")
+    private val bs = atomic<Any?>(null)
+
+    @Suppress("UNCHECKED_CAST")
+    fun testAtomicValUncheckedCast() {
+        assertEquals((s as AtomicRef<String>).value, "AAA")
+        bs.lazySet(arrayOf(arrayOf(Box(1), Box(2))))
+        assertEquals((bs as AtomicRef<Array<Array<Box>>>).value[0]!![0].b * 10, 10)
+    }
+
+    @Suppress("UNCHECKED_CAST")
+    fun testTopLevelValUnchekedCast() {
+        assertEquals((topLevelS as AtomicRef<Array<String>>).value[1], "B")
+    }
+
+    private data class Box(val b: Int)
+
+    @Suppress("NOTHING_TO_INLINE", "UNCHECKED_CAST")
+    private inline fun <T> AtomicRef<T>.getString(): String =
+        (this as AtomicRef<String>).value
+
+    fun testInlineFunc() {
+        assertEquals("AAA", s.getString())
+    }
+
+    private val a = atomicArrayOfNulls<Any?>(10)
+
+    fun testArrayValueUncheckedCast() {
+        a[0].value = "OK"
+        @Suppress("UNCHECKED_CAST")
+        assertEquals("OK", (a[0] as AtomicRef<String>).value)
+    }
+
+    fun testArrayValueUncheckedCastInlineFunc() {
+        a[0].value = "OK"
+        assertEquals("OK", a[0].getString())
+    }
+}
+
+fun box(): String {
+    val testClass = UncheckedCastTest()
+    testClass.testTopLevelValUnchekedCast()
+    testClass.testArrayValueUncheckedCast()
+    testClass.testArrayValueUncheckedCastInlineFunc()
+    testClass.testAtomicValUncheckedCast()
+    testClass.testInlineFunc()
+    return "OK"
+}