* Copyright (C) 2018 The Android Open Source Project
 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package androidx.test.ext.truth.os;

import static com.google.common.truth.Fact.simpleFact;

import android.os.Bundle;
import android.os.Parcelable;
import com.google.common.truth.BooleanSubject;
import com.google.common.truth.FailureMetadata;
import com.google.common.truth.IntegerSubject;
import com.google.common.truth.IterableSubject;
import com.google.common.truth.LongSubject;
import com.google.common.truth.StringSubject;
import com.google.common.truth.Subject;
import com.google.common.truth.Truth;

/** Subject for making assertions about {@link Bundle}s. */
public final class BundleSubject extends Subject {

  public static BundleSubject assertThat(Bundle bundle) {
    return Truth.assertAbout(bundles()).that(bundle);

  public static Subject.Factory<BundleSubject, Bundle> bundles() {
    return BundleSubject::new;

  private final Bundle actual;

  BundleSubject(FailureMetadata failureMetadata, Bundle subject) {
    super(failureMetadata, subject);
    this.actual = subject;

  public void hasSize(int size) {

  public void isEmpty() {
    if (!actual.isEmpty()) {
      failWithActual(simpleFact("expected to be empty"));

  public void isNotEmpty() {
    if (actual.isEmpty()) {
      failWithActual(simpleFact("expected to be non-empty"));

  public StringSubject string(String key) {
    return check("getString(%s)", key).that(actual.getString(key));

  public IntegerSubject integer(String key) {
    return check("getInt(%s)", key).that(actual.getInt(key));

  public LongSubject longInt(String key) {
    return check("getLong(%s)", key).that(actual.getLong(key));

  public BooleanSubject bool(String key) {
    return check("getBoolean(%s)", key).that(actual.getBoolean(key));

  public <T extends Parcelable> ParcelableSubject<T> parcelable(String key) {
    return check("getParcelable(%s)", key)

  public <T extends Parcelable, SubjectT extends Subject> SubjectT parcelableAsType(
      String key, Subject.Factory<SubjectT, T> subjectFactory) {
    return check("getParcelable(%s)", key).about(subjectFactory).that(actual.<T>getParcelable(key));

  public IterableSubject stringArrayList(String key) {
    return check("getStringArrayList(%s)", key).that(actual.getStringArrayList(key));

  public IterableSubject parcelableArrayList(String key) {
    return check("getParcelableArrayList(%s)", key).that(actual.getParcelableArrayList(key));

  public void containsKey(String key) {
    if (!actual.containsKey(key)) {
      failWithActual(simpleFact("expected to contain key " + key));

  public void doesNotContainKey(String key) {
    if (actual.containsKey(key)) {
      failWithActual(simpleFact("expected to not contain key " + key));