Reproduce class inliner bug that incorrectly removed global side effect
Bug: 160942326
Change-Id: Ib4e21a73aa573f2ad37409b0b9f9244cbcdd801c
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/classinliner/StatefulSingletonClassInliningTest.java b/src/test/java/com/android/tools/r8/ir/optimize/classinliner/StatefulSingletonClassInliningTest.java
new file mode 100644
index 0000000..17ccc82
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/classinliner/StatefulSingletonClassInliningTest.java
@@ -0,0 +1,71 @@
+// Copyright (c) 2020, the R8 project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+package com.android.tools.r8.ir.optimize.classinliner;
+
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class StatefulSingletonClassInliningTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameterized.Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public StatefulSingletonClassInliningTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(StatefulSingletonClassInliningTest.class)
+ .addKeepMainRule(TestClass.class)
+ .enableInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("true");
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ State.get().set();
+ State.get().print();
+ }
+ }
+
+ static class State {
+
+ static StatefulSingleton SINGLETON = new StatefulSingleton();
+
+ static StatefulSingleton get() {
+ return SINGLETON;
+ }
+ }
+
+ static class StatefulSingleton {
+
+ boolean field;
+
+ @NeverInline
+ void set() {
+ field = true;
+ }
+
+ void print() {
+ System.out.println(field);
+ }
+ }
+}
