blob: 27b12cfff72972327ab83c195646a9ef18c9e25b [file] [log] [blame]
// 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.keepanno;
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 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 KeepNameAndInstanceOfTest extends KeepAnnoTestBase {
static final String EXPECTED = StringUtils.lines("on Base", "on Sub");
static final String EXPECTED_SHRINKER = StringUtils.lines("on Base", "No method on Sub");
@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)
.enableNativeInterpretation()
.addProgramClasses(getInputClasses())
.addKeepMainRule(TestClass.class)
.setExcludedOuterClass(getClass())
.run(TestClass.class)
.assertSuccessWithOutput(parameters.isReference() ? EXPECTED : EXPECTED_SHRINKER);
}
public List<Class<?>> getInputClasses() {
return ImmutableList.of(TestClass.class, Base.class, Sub.class, A.class);
}
static class Base {
static void hiddenMethod() {
System.out.println("on Base");
}
}
static class Sub extends Base {
static void hiddenMethod() {
System.out.println("on Sub");
}
}
static class A {
@UsesReflection({
@KeepTarget(
// Restricting the matching to Base will cause Sub to be stripped.
classConstant = Base.class,
instanceOfClassConstant = Base.class,
methodName = "hiddenMethod")
})
public void foo(Base base) throws Exception {
base.getClass().getDeclaredMethod("hiddenMethod").invoke(null);
}
}
static class TestClass {
public static void main(String[] args) throws Exception {
try {
new A().foo(new Base());
} catch (Exception e) {
System.out.println("No method on Base");
}
try {
new A().foo(new Sub());
} catch (Exception e) {
System.out.println("No method on Sub");
}
}
}
}