Reproduce VerifyError after unboxing enum with call to Enum#compareTo
Bug: b/276331597
Change-Id: I19f9049c026f2ace86df38937830f12e8416ec86
diff --git a/src/test/java/com/android/tools/r8/enumunboxing/CallToOtherEnumCompareToMethodNegativeUnboxingTest.java b/src/test/java/com/android/tools/r8/enumunboxing/CallToOtherEnumCompareToMethodNegativeUnboxingTest.java
new file mode 100644
index 0000000..efe0686
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/enumunboxing/CallToOtherEnumCompareToMethodNegativeUnboxingTest.java
@@ -0,0 +1,73 @@
+// 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.enumunboxing;
+
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.ToolHelper.DexVm.Version;
+import com.android.tools.r8.utils.codeinspector.AssertUtils;
+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 CallToOtherEnumCompareToMethodNegativeUnboxingTest extends EnumUnboxingTestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void testRuntime() throws Exception {
+ testForRuntime(parameters)
+ .addInnerClasses(getClass())
+ .run(parameters.getRuntime(), Main.class)
+ .applyIf(
+ parameters.isCfRuntime()
+ || parameters.getDexRuntimeVersion().isNewerThanOrEqual(Version.V7_0_0),
+ runResult -> runResult.assertFailureWithErrorThatThrows(ClassCastException.class),
+ runResult -> runResult.assertSuccessWithOutputLines("0"));
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ AssertUtils.assertFailsCompilationIf(
+ parameters.isCfRuntime(),
+ () ->
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addKeepClassRules(Foo.class)
+ .addEnumUnboxingInspector(
+ inspector -> inspector.assertNotUnboxed(Foo.class).assertUnboxed(Bar.class))
+ .setMinApi(parameters)
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .assertFailureWithErrorThatThrows(VerifyError.class));
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ Enum<?> fooEnum = Foo.A;
+ Enum<Bar> fooEnumInDisguise = (Enum<Bar>) fooEnum;
+ System.out.println(fooEnumInDisguise.compareTo(Bar.B));
+ }
+ }
+
+ enum Foo {
+ A
+ }
+
+ enum Bar {
+ B
+ }
+}
