Make a test for overriding a final virtual method in a subclass
This will produce a runtime error on all runtimes.
Bug: 144450911
Change-Id: I7c1c078fca1e98cc3763361b18e4500d87e29c20
diff --git a/src/test/java/com/android/tools/r8/graph/InvokeVirtualFinalTest.java b/src/test/java/com/android/tools/r8/graph/InvokeVirtualFinalTest.java
new file mode 100644
index 0000000..781731f
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/graph/InvokeVirtualFinalTest.java
@@ -0,0 +1,93 @@
+// Copyright (c) 2019, 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.graph;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.objectweb.asm.Opcodes.ACC_FINAL;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.ToolHelper.DexVm;
+import com.android.tools.r8.transformers.ClassTransformer;
+import java.io.IOException;
+import java.util.concurrent.ExecutionException;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.objectweb.asm.MethodVisitor;
+
+@RunWith(Parameterized.class)
+public class InvokeVirtualFinalTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ public InvokeVirtualFinalTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void testInvokeSpecialOnClassWithFinal()
+ throws ExecutionException, CompilationFailedException, IOException {
+ String expectedError = "overrides final";
+ if (parameters.isDexRuntime()
+ && parameters.getRuntime().asDex().getVm().isNewerThan(DexVm.ART_4_4_4_HOST)
+ && parameters.getRuntime().asDex().getVm().isOlderThanOrEqual(DexVm.ART_6_0_1_HOST)) {
+ expectedError = "LinkageError";
+ }
+ testForRuntime(parameters)
+ .addProgramClasses(B.class, Main.class)
+ .addProgramClassFileData(getClassWithTransformedInvoked())
+ .run(parameters.getRuntime(), Main.class)
+ .assertFailureWithErrorThatMatches(containsString(expectedError));
+ }
+
+ private byte[] getClassWithTransformedInvoked() throws IOException {
+ return transformer(A.class)
+ .addClassTransformer(
+ new ClassTransformer() {
+ @Override
+ public MethodVisitor visitMethod(
+ int access,
+ String name,
+ String descriptor,
+ String signature,
+ String[] exceptions) {
+ if (name.equals("foo")) {
+ access |= ACC_FINAL;
+ }
+ return super.visitMethod(access, name, descriptor, signature, exceptions);
+ }
+ })
+ .transform();
+ }
+
+ public static class A {
+ public void foo() {
+ System.out.println("Hello from A");
+ }
+ }
+
+ public static class B extends A {
+ public void foo() {
+ System.out.println("Hello from B");
+ }
+ }
+
+ public static class Main {
+
+ public static void main(String[] args) {
+ new B().foo();
+ ((A) new B()).foo();
+ }
+ }
+}
