Add regression test for allowing inlining of unkept members
This is based on https://godbolt.org/z/ox9P15GTM
With the old version used in godbolt we seem to keep the isFalse method, but TOT we don't
Change-Id: Iba44b199fd35877af70fe4d082cdb50b02454594
diff --git a/src/test/java/com/android/tools/r8/keepanno/UsedByReflectionMemberInlingingAllowed.java b/src/test/java/com/android/tools/r8/keepanno/UsedByReflectionMemberInlingingAllowed.java
new file mode 100644
index 0000000..b5d6f00
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/keepanno/UsedByReflectionMemberInlingingAllowed.java
@@ -0,0 +1,86 @@
+// 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 com.android.tools.r8.utils.codeinspector.Matchers.isAbsent;
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndNotRenamed;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertTrue;
+
+import com.android.tools.r8.keepanno.annotations.KeepItemKind;
+import com.android.tools.r8.keepanno.annotations.UsedByReflection;
+import com.android.tools.r8.utils.AndroidApiLevel;
+import com.android.tools.r8.utils.StringUtils;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.android.tools.r8.utils.codeinspector.InstructionSubject;
+import com.android.tools.r8.utils.codeinspector.MethodSubject;
+import com.google.common.collect.ImmutableList;
+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 UsedByReflectionMemberInlingingAllowed extends KeepAnnoTestBase {
+
+ static final String EXPECTED = StringUtils.lines("Hello, world!");
+
+ @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 {
+ testForKeepAnno(parameters)
+ .addProgramClasses(getInputClasses())
+ .setExcludedOuterClass(getClass())
+ .run(TestClass.class)
+ .inspect(
+ codeInspector -> {
+ ClassSubject clazz = codeInspector.clazz(TestClass.class);
+ assertThat(clazz, isPresent());
+ MethodSubject main = clazz.uniqueMethodWithOriginalName("main");
+ assertThat(main, isPresentAndNotRenamed());
+ if (parameters.isShrinker()) {
+ // We should just have the void return left in main.
+ assertTrue(main.streamInstructions().allMatch(InstructionSubject::isReturnVoid));
+ }
+ assertThat(
+ clazz.uniqueMethodWithOriginalName("isFalse"),
+ parameters.isShrinker() ? isAbsent() : isPresent());
+ assertThat(
+ clazz.uniqueFieldWithOriginalName("IS_FALSE"),
+ parameters.isShrinker() ? isAbsent() : isPresent());
+ })
+ .assertSuccessWithEmptyOutput();
+ }
+
+ public List<Class<?>> getInputClasses() {
+ return ImmutableList.of(TestClass.class);
+ }
+
+ static class TestClass {
+ @UsedByReflection(kind = KeepItemKind.CLASS_AND_MEMBERS)
+ public static void main(String[] args) {
+ if (IS_FALSE) {
+ System.out.println("IS_FALSE");
+ }
+ if (isFalse()) {
+ System.out.println("isFalse");
+ }
+ }
+
+ private static boolean isFalse() {
+ return false;
+ }
+
+ private static final boolean IS_FALSE = false;
+ }
+}
