Add a sealed class test with illegal subclass of sealed class
Bug: b/227160052
Change-Id: I8b5a336fb6dc1b9ea3db760c9f2306be7cb03af7
diff --git a/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeIllegalSubclassTest.java b/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeIllegalSubclassTest.java
new file mode 100644
index 0000000..3dfdc3d
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeIllegalSubclassTest.java
@@ -0,0 +1,118 @@
+// 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.desugar.sealed;
+
+import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage;
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assume.assumeTrue;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.DesugarTestConfiguration;
+import com.android.tools.r8.R8FullTestBuilder;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestBuilder;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.TestRuntime.CfVm;
+import com.android.tools.r8.utils.StringUtils;
+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 SealedAttributeIllegalSubclassTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ static final String EXPECTED = StringUtils.lines("Success!");
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build();
+ }
+
+ private void addTestClasses(TestBuilder<?, ?> builder) throws Exception {
+ builder
+ .addProgramClasses(TestClass.class, Sub1.class, Sub2.class, Sub3.class)
+ .addProgramClassFileData(getTransformedClasses());
+ }
+
+ @Test
+ public void testJvm() throws Exception {
+ parameters.assumeJvmTestParameters();
+ assumeTrue(parameters.asCfRuntime().isNewerThanOrEqual(CfVm.JDK17));
+ testForJvm(parameters)
+ .apply(this::addTestClasses)
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertFailureWithErrorThatMatches(containsString("cannot inherit from sealed class"));
+ }
+
+ @Test
+ public void testDesugaring() throws Exception {
+ testForDesugaring(parameters)
+ .apply(this::addTestClasses)
+ .run(parameters.getRuntime(), TestClass.class)
+ .applyIf(
+ DesugarTestConfiguration::isNotJavac,
+ r -> r.assertSuccessWithOutput(EXPECTED),
+ c -> parameters.getRuntime().asCf().isNewerThanOrEqual(CfVm.JDK17),
+ r ->
+ r.assertFailureWithErrorThatMatches(
+ containsString("cannot inherit from sealed class")),
+ r -> r.assertFailureWithErrorThatThrows(UnsupportedClassVersionError.class));
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ parameters.assumeR8TestParameters();
+ R8FullTestBuilder builder =
+ testForR8(parameters.getBackend())
+ .apply(this::addTestClasses)
+ .setMinApi(parameters)
+ .addKeepMainRule(TestClass.class);
+ if (parameters.isCfRuntime()) {
+ // TODO(b/227160052): Support sealed classes for R8 class file output.
+ assertThrows(
+ CompilationFailedException.class,
+ () ->
+ builder.compileWithExpectedDiagnostics(
+ diagnostics ->
+ diagnostics.assertErrorThatMatches(
+ diagnosticMessage(
+ containsString(
+ "Sealed classes are not supported as program classes")))));
+ } else {
+ builder
+ .run(parameters.getRuntime(), TestClass.class)
+ .assertSuccessWithOutputLines("Success!");
+ }
+ }
+
+ public byte[] getTransformedClasses() throws Exception {
+ return transformer(C.class).setPermittedSubclasses(C.class, Sub1.class, Sub2.class).transform();
+ }
+
+ static class TestClass {
+
+ public static void main(String[] args) {
+ new Sub1();
+ new Sub2();
+ new Sub3();
+ System.out.println("Success!");
+ }
+ }
+
+ abstract static class C /* permits Sub1, Sub2 */ {}
+
+ static class Sub1 extends C {}
+
+ static class Sub2 extends C {}
+
+ static class Sub3 extends C {}
+}
diff --git a/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeTest.java b/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeTest.java
index d44c81b..a508238 100644
--- a/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeTest.java
+++ b/src/test/java/com/android/tools/r8/desugar/sealed/SealedAttributeTest.java
@@ -75,7 +75,7 @@
.setMinApi(parameters)
.addKeepMainRule(TestClass.class);
if (parameters.isCfRuntime()) {
- // TODO(b/227160052): Support sealed classes for R( class file output.
+ // TODO(b/227160052): Support sealed classes for R8 class file output.
assertThrows(
CompilationFailedException.class,
() ->
