Reproduce renaming of pinned method due to collision
Bug: b/316862633
Change-Id: I272d17d3fe90c96e57d9700fb6be722687dd0703
diff --git a/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerPinnedMethodCollisionTest.java b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerPinnedMethodCollisionTest.java
new file mode 100644
index 0000000..c9fe0e3
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerPinnedMethodCollisionTest.java
@@ -0,0 +1,79 @@
+// Copyright (c) 2023, 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.classmerging.vertical;
+
+import static com.android.tools.r8.utils.codeinspector.AssertUtils.assertFailsCompilation;
+
+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;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class VerticalClassMergerPinnedMethodCollisionTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ assertFailsCompilation(
+ () ->
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addKeepRules(
+ "-keep class " + UserSub.class.getTypeName() + " {",
+ " void f(" + B.class.getTypeName() + ");",
+ "}")
+ .addVerticallyMergedClassesInspector(
+ inspector -> inspector.assertMergedIntoSubtype(A.class))
+ .enableInliningAnnotations()
+ .setMinApi(parameters)
+ .compile());
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ new User().f(new B());
+ new UserSub().f(new B());
+ }
+ }
+
+ static class A {}
+
+ static class B extends A {
+
+ @Override
+ public String toString() {
+ return "B";
+ }
+ }
+
+ static class User {
+
+ @NeverInline
+ void f(A a) {
+ System.out.println(a);
+ }
+ }
+
+ static class UserSub extends User {
+
+ void f(B b) {
+ System.out.println(b);
+ }
+ }
+}
diff --git a/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerPinnedMethodInterfaceCollisionTest.java b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerPinnedMethodInterfaceCollisionTest.java
new file mode 100644
index 0000000..8b3129e
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergerPinnedMethodInterfaceCollisionTest.java
@@ -0,0 +1,93 @@
+// Copyright (c) 2023, 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.classmerging.vertical;
+
+import static com.android.tools.r8.utils.codeinspector.AssertUtils.assertFailsCompilation;
+
+import com.android.tools.r8.NoUnusedInterfaceRemoval;
+import com.android.tools.r8.NoVerticalClassMerging;
+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;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class VerticalClassMergerPinnedMethodInterfaceCollisionTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ assertFailsCompilation(
+ () ->
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepClassAndMembersRules(Main.class)
+ .addKeepRules(
+ "-keep class " + OtherUser.class.getTypeName() + " {",
+ " void f(" + B.class.getTypeName() + ");",
+ "}")
+ .addVerticallyMergedClassesInspector(
+ inspector -> inspector.assertMergedIntoSubtype(A.class))
+ .enableInliningAnnotations()
+ .enableNoUnusedInterfaceRemovalAnnotations()
+ .enableNoVerticalClassMergingAnnotations()
+ .setMinApi(parameters)
+ .compile());
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ keep(new UserImpl());
+ new OtherUser().f(new B());
+ }
+
+ static void keep(User user) {
+ user.f(new B());
+ }
+ }
+
+ static class A {}
+
+ static class B extends A {
+
+ @Override
+ public String toString() {
+ return "B";
+ }
+ }
+
+ @NoUnusedInterfaceRemoval
+ @NoVerticalClassMerging
+ interface User {
+
+ void f(A a);
+ }
+
+ static class UserImpl implements User {
+
+ @Override
+ public void f(A a) {
+ System.out.println("UserImpl");
+ }
+ }
+
+ static class OtherUser {
+
+ void f(B b) { // f(B)
+ System.out.println(b);
+ }
+ }
+}
