Reproduce verification error from invalid type propagation in verifier
Bug: b/335663487
Change-Id: I23fc9e7fb2806caf9596c3a56b58bdee576d82ce
diff --git a/src/test/java/com/android/tools/r8/workaround/InvalidVerifierTypePropagationAfterInstanceOfTest.java b/src/test/java/com/android/tools/r8/workaround/InvalidVerifierTypePropagationAfterInstanceOfTest.java
new file mode 100644
index 0000000..c9c4c4b
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/workaround/InvalidVerifierTypePropagationAfterInstanceOfTest.java
@@ -0,0 +1,92 @@
+// Copyright (c) 2024, 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.workaround;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.TestRunResult;
+import com.android.tools.r8.ToolHelper.DexVm.Version;
+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 InvalidVerifierTypePropagationAfterInstanceOfTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void testJvm() throws Exception {
+ parameters.assumeJvmTestParameters();
+ testForJvm(parameters)
+ .addInnerClasses(getClass())
+ .run(parameters.getRuntime(), Main.class)
+ .apply(this::checkRunResult);
+ }
+
+ @Test
+ public void testD8Debug() throws Exception {
+ testForD8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .applyIf(parameters.isDexRuntime(), b -> b.setMinApi(parameters))
+ .debug()
+ .run(parameters.getRuntime(), Main.class)
+ .apply(this::checkRunResult);
+ }
+
+ @Test
+ public void testD8Release() throws Exception {
+ testForD8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .applyIf(parameters.isDexRuntime(), b -> b.setMinApi(parameters))
+ .release()
+ .run(parameters.getRuntime(), Main.class)
+ .apply(this::checkRunResult);
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepClassAndMembersRules(Main.class, A.class)
+ .setMinApi(parameters)
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .apply(this::checkRunResult);
+ }
+
+ private void checkRunResult(TestRunResult<?> runResult) {
+ runResult.applyIf(
+ parameters.isCfRuntime()
+ || parameters.getDexRuntimeVersion().isOlderThan(Version.V7_0_0)
+ || parameters.getDexRuntimeVersion().isNewerThanOrEqual(Version.V15_0_0),
+ TestRunResult::assertSuccessWithEmptyOutput,
+ rr -> runResult.assertFailureWithErrorThatThrows(VerifyError.class));
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ A a = args.length == 0 ? null : new A();
+ Object o = a;
+ if (o instanceof String) {
+ System.out.println(a.f);
+ }
+ }
+ }
+
+ static class A {
+
+ String f;
+ }
+}