Add a test for b/152492625
Bug: 152492625
Change-Id: I5c6d11196d76d9f17a697adf117fb33db867c567
diff --git a/src/test/java/com/android/tools/r8/shaking/assumenosideeffects/B152492625.java b/src/test/java/com/android/tools/r8/shaking/assumenosideeffects/B152492625.java
new file mode 100644
index 0000000..fe72a94
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/assumenosideeffects/B152492625.java
@@ -0,0 +1,108 @@
+// 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.shaking.assumenosideeffects;
+
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.android.tools.r8.utils.codeinspector.CodeInspector;
+import com.android.tools.r8.utils.codeinspector.InstructionSubject;
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+
+@RunWith(Parameterized.class)
+public class B152492625 extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameterized.Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public B152492625(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ private void noCallToWait(CodeInspector inspector) {
+ ClassSubject classSubject = inspector.clazz(TestClass.class);
+ assertThat(classSubject, isPresent());
+ classSubject.forAllMethods(
+ foundMethodSubject ->
+ foundMethodSubject
+ .instructions(InstructionSubject::isInvokeVirtual)
+ .forEach(
+ instructionSubject -> {
+ Assert.assertNotEquals(
+ "wait", instructionSubject.getMethod().name.toString());
+ }));
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(B152492625.class)
+ .addKeepMainRule(TestClass.class)
+ .addKeepRules("-assumenosideeffects class " + B.class.getTypeName() + " { *; }")
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspect(this::noCallToWait)
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Hello, world");
+ }
+
+ @Test
+ public void testProguardNotRemovingWait() throws Exception {
+ Assume.assumeTrue(parameters.isCfRuntime());
+
+ testForProguard()
+ .addInnerClasses(B152492625.class)
+ .addKeepMainRule(TestClass.class)
+ .addKeepRules("-assumenosideeffects class " + B.class.getTypeName() + " { *; }")
+ .addKeepRules("-dontwarn " + B152492625.class.getTypeName())
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertFailureWithErrorThatThrows(IllegalMonitorStateException.class);
+ }
+
+ @Test
+ public void testProguardRemovingWait() throws Exception {
+ Assume.assumeTrue(parameters.isCfRuntime());
+
+ testForProguard()
+ .addInnerClasses(B152492625.class)
+ .addKeepMainRule(TestClass.class)
+ .addKeepRules("-assumenosideeffects class java.lang.Object { void wait(); }")
+ .addKeepRules("-dontwarn " + B152492625.class.getTypeName())
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspect(this::noCallToWait)
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Hello, world");
+ }
+
+ static class TestClass {
+
+ public void m() throws Exception {
+ System.out.println("Hello, world");
+ // test fails if wait is not removed.
+ wait();
+ }
+
+ public static void main(String[] args) throws Exception {
+ new TestClass().m();
+ }
+ }
+
+ static class B {}
+}
