Reproduction for not marking method as live when overridden

Bug: 182444403
Change-Id: Ia99872b8a9e93f9146b1880b9c32450d3c38a73e

1 files changed, 102 insertions, 0 deletions

diff --git a/src/test/java/com/android/tools/r8/shaking/AbstractSuperClassLiveMethodTest.java b/src/test/java/com/android/tools/r8/shaking/AbstractSuperClassLiveMethodTest.java
new file mode 100644
index 000000000..734d2fab3
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/AbstractSuperClassLiveMethodTest.java
@@ -0,0 +1,102 @@
+// Copyright (c) 2021, 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;
+
+import com.android.tools.r8.NeverClassInline;
+import com.android.tools.r8.NeverInline;
+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 com.google.common.collect.ImmutableList;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class AbstractSuperClassLiveMethodTest extends TestBase {
+
+  private final TestParameters parameters;
+  private final String NEW_DESCRIPTOR = "Lfoo/A;";
+  private final String[] EXPECTED = new String[] {"A::foo", "Base::foo"};
+  private final String[] EXPECTED_DALVIK = new String[] {"A::foo", "A::foo"};
+
+  @Parameters(name = "{0}")
+  public static TestParametersCollection data() {
+    return getTestParameters().withAllRuntimesAndApiLevels().build();
+  }
+
+  public AbstractSuperClassLiveMethodTest(TestParameters parameters) {
+    this.parameters = parameters;
+  }
+
+  public List<byte[]> getProgramClassFileData() throws Exception {
+    return ImmutableList.of(
+        transformer(A.class).setClassDescriptor(NEW_DESCRIPTOR).transform(),
+        transformer(Main.class)
+            .replaceClassDescriptorInMethodInstructions(descriptor(A.class), NEW_DESCRIPTOR)
+            .transform());
+  }
+
+  @Test
+  public void testRuntime() throws Exception {
+    testForRuntime(parameters)
+        .addProgramClasses(Base.class)
+        .addProgramClassFileData(getProgramClassFileData())
+        .run(parameters.getRuntime(), Main.class)
+        .applyIf(
+            parameters.isDexRuntime() && parameters.getDexRuntimeVersion().isDalvik(),
+            r -> r.assertSuccessWithOutputLines(EXPECTED_DALVIK),
+            r -> r.assertSuccessWithOutputLines(EXPECTED));
+  }
+
+  @Test
+  public void testForR8() throws Exception {
+    testForR8(parameters.getBackend())
+        .addProgramClasses(Base.class)
+        .addProgramClassFileData(getProgramClassFileData())
+        .setMinApi(parameters.getApiLevel())
+        .addKeepMainRule(Main.class)
+        .enableInliningAnnotations()
+        .enableNoVerticalClassMergingAnnotations()
+        .enableNeverClassInliningAnnotations()
+        .run(parameters.getRuntime(), Main.class)
+        .applyIf(
+            parameters.isDexRuntime() && parameters.getDexRuntimeVersion().isDalvik(),
+            r -> r.assertSuccessWithOutputLines(EXPECTED_DALVIK),
+            // TODO(b/182444403): Should succeed with EXPECTED.
+            r -> r.assertFailureWithErrorThatThrows(AbstractMethodError.class));
+  }
+
+  @NoVerticalClassMerging
+  public abstract static class Base {
+
+    @NeverInline
+    void foo() {
+      System.out.println("Base::foo");
+    }
+  }
+
+  @NeverClassInline
+  public static class /* will be foo.A */ A extends Base {
+
+    @Override
+    @NeverInline
+    public void foo() {
+      System.out.println("A::foo");
+    }
+  }
+
+  public static class Main {
+
+    public static void main(String[] args) {
+      Base a = new A();
+      ((A) a).foo();
+      a.foo();
+    }
+  }
+}