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package org.robolectric.shadows;
import static com.google.common.truth.Truth.assertThat;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.robolectric.Shadows.shadowOf;
import android.content.Context;
import android.view.accessibility.CaptioningManager;
import android.view.accessibility.CaptioningManager.CaptioningChangeListener;
import androidx.test.core.app.ApplicationProvider;
import androidx.test.ext.junit.runners.AndroidJUnit4;
import java.util.Locale;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
/** Tests for the ShadowCaptioningManager. */
@RunWith(AndroidJUnit4.class)
@Config(minSdk = 19)
public final class ShadowCaptioningManagerTest {
@Mock private CaptioningChangeListener captioningChangeListener;
private CaptioningManager captioningManager;
@Before
public void setUp() {
MockitoAnnotations.initMocks(this);
captioningManager =
(CaptioningManager)
ApplicationProvider.getApplicationContext()
.getSystemService(Context.CAPTIONING_SERVICE);
}
@Test
public void setEnabled_true() {
assertThat(captioningManager.isEnabled()).isFalse();
shadowOf(captioningManager).setEnabled(true);
assertThat(captioningManager.isEnabled()).isTrue();
}
@Test
public void setEnabled_false() {
shadowOf(captioningManager).setEnabled(false);
assertThat(captioningManager.isEnabled()).isFalse();
}
@Test
public void setFontScale_changesValueOfGetFontScale() {
float fontScale = 1.5f;
shadowOf(captioningManager).setFontScale(fontScale);
assertThat(captioningManager.getFontScale()).isWithin(0.001f).of(fontScale);
}
@Test
public void setFontScale_notifiesObservers() {
float fontScale = 1.5f;
captioningManager.addCaptioningChangeListener(captioningChangeListener);
shadowOf(captioningManager).setFontScale(fontScale);
verify(captioningChangeListener).onFontScaleChanged(fontScale);
}
@Test
public void addCaptioningChangeListener_doesNotRegisterSameListenerTwice() {
float fontScale = 1.5f;
captioningManager.addCaptioningChangeListener(captioningChangeListener);
captioningManager.addCaptioningChangeListener(captioningChangeListener);
shadowOf(captioningManager).setFontScale(fontScale);
verify(captioningChangeListener).onFontScaleChanged(fontScale);
}
@Test
public void removeCaptioningChangeListener_unregistersFontScaleListener() {
captioningManager.addCaptioningChangeListener(captioningChangeListener);
captioningManager.removeCaptioningChangeListener(captioningChangeListener);
shadowOf(captioningManager).setFontScale(1.5f);
verifyNoMoreInteractions(captioningChangeListener);
}
@Test
public void setLocale_nonNull() {
Locale locale = Locale.US;
assertThat(captioningManager.getLocale()).isNull();
shadowOf(captioningManager).setLocale(locale);
assertThat(captioningManager.getLocale()).isEqualTo(locale);
}
@Test
public void setLocale_null() {
shadowOf(captioningManager).setLocale(null);
assertThat(captioningManager.getLocale()).isNull();
}
@Test
public void setLocale_notifiesObservers() {
Locale locale = Locale.US;
captioningManager.addCaptioningChangeListener(captioningChangeListener);
shadowOf(captioningManager).setLocale(locale);
verify(captioningChangeListener).onLocaleChanged(locale);
}
}
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