JVM_IR KT-43851 preserve static initialization order in const val read

2020-12-10 15:43:36 +03:00
parent b0ef6ee1fc
commit 5be28520fc
7 changed files with 118 additions and 10 deletions
@@ -0,0 +1,79 @@
+// TARGET_BACKEND: JVM
+// This test checks that JVM-specific static initialization behavior is preserved in JVM_IR.
+
+var testObjectInit = false
+var testClassCompanionInit = false
+var testInterfaceCompanionInit = false
+
+fun use(x: Int) {}
+
+object TestObject {
+    init {
+        testObjectInit = true
+    }
+    const val x = 42
+}
+
+fun getTestObject() = TestObject
+
+class TestClassCompanion {
+    companion object {
+        init {
+            testClassCompanionInit = true
+        }
+        const val x = 42
+    }
+}
+
+fun getTestClassCompanion() = TestClassCompanion
+
+class TestInterfaceCompanion {
+    companion object {
+        init {
+            testInterfaceCompanionInit = true
+        }
+        const val x = 42
+    }
+}
+
+fun getInterfaceCompanion() = TestInterfaceCompanion
+
+fun box(): String {
+    use(TestObject.x)
+    if (testObjectInit)
+        throw Exception("use(TestObject.x)")
+
+    use((TestObject).x)
+    if (testObjectInit)
+        throw Exception("use((TestObject).x)")
+
+    use(getTestObject().x)
+    if (!testObjectInit)
+        throw Exception("use(getTestObject().x)")
+
+    use(TestClassCompanion.x)
+    if (testClassCompanionInit)
+        throw Exception("use(TestClassCompanion.x)")
+
+    use((TestClassCompanion).x)
+    if (testClassCompanionInit)
+        throw Exception("use((TestClassCompanion).x)")
+
+    use(getTestClassCompanion().x)
+    if (!testClassCompanionInit)
+        throw Exception("use(getTestClassCompanion().x)")
+
+    use(TestInterfaceCompanion.x)
+    if (testInterfaceCompanionInit)
+        throw Exception("use(TestInterfaceCompanion.x)")
+
+    use((TestInterfaceCompanion).x)
+    if (testInterfaceCompanionInit)
+        throw Exception("use((TestInterfaceCompanion).x)")
+
+    use(getInterfaceCompanion().x)
+    if (!testInterfaceCompanionInit)
+        throw Exception("use(getInterfaceCompanion().x)")
+
+    return "OK"
+}