src/test/java/com/google/devtools/build/android/r8/testdata/naming001/Reflect.java

// Copyright 2020 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.android.r8.testdata.naming001;

import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
import java.util.concurrent.atomic.AtomicLongFieldUpdater;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;

/**
 * Test class TODO(sgjesse): Update this class to be more targeted to testing CompatDexBuilder. The
 * content of this class is pretty random. It was just the class that happened to be used for
 * testing in the R8 repo. The class was actually there for testing some R8 renaming, and
 * CompatDexBuilderTest just happened to piggy-bag on this class.
 */
@SuppressWarnings({"PrivateConstructorForUtilityClass", "ClassCanBeStatic"})
public class Reflect {
  void keep() throws ClassNotFoundException {
    Class.forName("naming001.Reflect2");
    Class.forName("ClassThatDoesNotExists");
  }

  void keep2() throws NoSuchFieldException, SecurityException {
    Reflect2.class.getField("fieldPublic");
    Reflect2.class.getField("fieldPrivate");
  }

  void keep3() throws NoSuchFieldException, SecurityException {
    Reflect2.class.getDeclaredField("fieldPublic");
    Reflect2.class.getDeclaredField("fieldPrivate");
  }

  void keep4() throws SecurityException, NoSuchMethodException {
    Reflect2.class.getMethod("m", new Class<?>[] {Reflect2.A.class});
    Reflect2.class.getMethod("m", new Class<?>[] {Reflect2.B.class});
    Reflect2.class.getMethod("methodThatDoesNotExist", new Class<?>[] {Reflect2.A.class});
  }

  void keep5() throws SecurityException, NoSuchMethodException {
    Reflect2.class.getDeclaredMethod("m", new Class<?>[] {Reflect2.A.class});
    Reflect2.class.getDeclaredMethod("m", new Class<?>[] {Reflect2.B.class});
  }

  void keep6() throws SecurityException {
    AtomicIntegerFieldUpdater.newUpdater(Reflect2.class, "fieldPublic");
  }

  void keep7() throws SecurityException {
    AtomicLongFieldUpdater.newUpdater(Reflect2.class, "fieldLong");
    AtomicLongFieldUpdater.newUpdater(Reflect2.class, "fieldLong2");
  }

  void keep8() throws SecurityException {
    AtomicReferenceFieldUpdater.newUpdater(Reflect2.class, Reflect2.A.class, "a");
    AtomicReferenceFieldUpdater.newUpdater(Reflect2.class, Reflect2.A.class, "b");
    AtomicReferenceFieldUpdater.newUpdater(Reflect2.class, Object.class, "c");
  }
}