Add reproduction of whyarekeeping crashing with keepanno
In native mode we will crash with a NPE
Bug: b/381217105
Change-Id: I4c1adfe29b6dc762805221e200c21c2dd36c9e79
diff --git a/src/test/java/com/android/tools/r8/keepanno/KeepAnnoWithWhyAreYouKeepingTest.java b/src/test/java/com/android/tools/r8/keepanno/KeepAnnoWithWhyAreYouKeepingTest.java
new file mode 100644
index 0000000..52b9cd9
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/keepanno/KeepAnnoWithWhyAreYouKeepingTest.java
@@ -0,0 +1,77 @@
+// 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.keepanno;
+
+import static org.junit.Assert.assertTrue;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.keepanno.annotations.KeepItemKind;
+import com.android.tools.r8.keepanno.annotations.KeepTarget;
+import com.android.tools.r8.keepanno.annotations.UsesReflection;
+import com.android.tools.r8.utils.AndroidApiLevel;
+import com.android.tools.r8.utils.StringUtils;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+
+@RunWith(Parameterized.class)
+public class KeepAnnoWithWhyAreYouKeepingTest extends KeepAnnoTestBase {
+
+ static final String EXPECTED = StringUtils.lines("Hello anno");
+
+ @Parameter public KeepAnnoParameters parameters;
+
+ @Parameterized.Parameters(name = "{0}")
+ public static List<KeepAnnoParameters> data() {
+ return createParameters(
+ getTestParameters().withDefaultRuntimes().withApiLevel(AndroidApiLevel.B).build());
+ }
+
+ @Test
+ public void test() throws Exception {
+ KeepAnnoTestBuilder keepAnnoTestBuilder =
+ testForKeepAnno(parameters)
+ .addInnerClasses(getClass())
+ .addKeepMainRule(TestClass.class)
+ .setExcludedOuterClass(getClass())
+ .applyIfShrinker(
+ b -> {
+ b.addKeepRules("-whyareyoukeeping class **B {}");
+ b.allowStdoutMessages(); //
+ });
+
+ if (parameters.isNativeR8()) {
+ try {
+ keepAnnoTestBuilder.run(TestClass.class);
+ } catch (CompilationFailedException e) {
+ // TODO(b/381217105): Should not throw
+ }
+ } else {
+ keepAnnoTestBuilder
+ .run(TestClass.class)
+ .assertSuccessWithOutput(EXPECTED)
+ .inspect(
+ codeInspector -> {
+ assertTrue(codeInspector.clazz(B.class).init().isPresent());
+ });
+ }
+ }
+
+ static class TestClass {
+ public static void main(String[] args) throws Exception {
+ new A().foo();
+ }
+ }
+
+ static class A {
+ @UsesReflection(@KeepTarget(classConstant = B.class, kind = KeepItemKind.CLASS_AND_MEMBERS))
+ public void foo() throws Exception {
+ System.out.println("Hello anno");
+ }
+ }
+
+ static class B {}
+}
