Add test for marking default method as library method override
Change-Id: Ibc3406b9e30d4e45c45a9e453aceafad12fb8dec
diff --git a/src/test/java/com/android/tools/r8/shaking/librarymethodoverride/LibraryMethodOverrideDefaultMethodTest.java b/src/test/java/com/android/tools/r8/shaking/librarymethodoverride/LibraryMethodOverrideDefaultMethodTest.java
new file mode 100644
index 0000000..939b14a
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/librarymethodoverride/LibraryMethodOverrideDefaultMethodTest.java
@@ -0,0 +1,98 @@
+// Copyright (c) 2022, 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.librarymethodoverride;
+
+import static org.junit.Assert.assertTrue;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.graph.DexEncodedMethod;
+import com.android.tools.r8.graph.DexItemFactory;
+import com.android.tools.r8.graph.DexProgramClass;
+import com.android.tools.r8.shaking.AppInfoWithLiveness;
+import com.android.tools.r8.shaking.Enqueuer;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class LibraryMethodOverrideDefaultMethodTest extends TestBase {
+
+ @Parameter() public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void testRuntime() throws Exception {
+ testForRuntime(parameters)
+ .addProgramClasses(ProgramI.class, ProgramClass.class, Main.class)
+ .addLibraryClasses(LibraryI.class, LibraryClass.class)
+ .addRunClasspathFiles(buildOnDexRuntime(parameters, LibraryI.class, LibraryClass.class))
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLines("ProgramI::foo");
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ testForR8(parameters.getBackend())
+ .addProgramClasses(ProgramI.class, ProgramClass.class, Main.class)
+ .addDefaultRuntimeLibrary(parameters)
+ .addOptionsModification(
+ options -> options.testing.enqueuerInspector = this::verifyLibraryOverrideInformation)
+ .addLibraryClasses(LibraryI.class, LibraryClass.class)
+ .setMinApi(parameters.getApiLevel())
+ .addKeepMainRule(Main.class)
+ .compile()
+ .addBootClasspathClasses(LibraryI.class, LibraryClass.class)
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLines("ProgramI::foo");
+ }
+
+ private void verifyLibraryOverrideInformation(AppInfoWithLiveness appInfo, Enqueuer.Mode mode) {
+ DexItemFactory dexItemFactory = appInfo.dexItemFactory();
+ DexProgramClass clazz =
+ appInfo
+ .definitionFor(dexItemFactory.createType(descriptor(ProgramI.class)))
+ .asProgramClass();
+ DexEncodedMethod method =
+ clazz.lookupVirtualMethod(m -> m.getReference().name.toString().equals("foo"));
+ assertTrue(method.isLibraryMethodOverride().isTrue());
+ }
+
+ public interface LibraryI {
+
+ void foo();
+ }
+
+ public static class LibraryClass {
+
+ public static void callI(LibraryI i) {
+ i.foo();
+ }
+ }
+
+ public interface ProgramI extends LibraryI {
+
+ @Override
+ default void foo() {
+ System.out.println("ProgramI::foo");
+ }
+ }
+
+ public static class ProgramClass implements ProgramI {}
+
+ public static class Main {
+
+ public static void main(String[] args) {
+ LibraryClass.callI(new ProgramClass());
+ }
+ }
+}
