robolectric/src/test/java/org/robolectric/shadows/ShadowConfigurationTest.java


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package org.robolectric.shadows;

import static android.content.res.Configuration.SCREENLAYOUT_UNDEFINED;
import static com.google.common.truth.Truth.assertThat;

import android.content.res.Configuration;
import android.os.Build;
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.robolectric.annotation.Config;

@RunWith(AndroidJUnit4.class)
public class ShadowConfigurationTest {

  private Configuration configuration;

  @Before
  public void setUp() throws Exception {
    configuration = new Configuration();
  }

  @Test
  public void setToDefaultsShouldSetRealDefaults() {
    configuration.setToDefaults();
    assertThat(configuration.fontScale).isEqualTo(1.0f);
    assertThat(configuration.screenLayout).isEqualTo(SCREENLAYOUT_UNDEFINED);
  }

  @Test
  @Config(minSdk = Build.VERSION_CODES.JELLY_BEAN_MR1)
  public void testSetLocale() {
    configuration.setLocale( Locale.US );
    assertThat(configuration.locale).isEqualTo(Locale.US);

    configuration.setLocale( Locale.FRANCE);
    assertThat(configuration.locale).isEqualTo(Locale.FRANCE);
  }

  @Test
  public void testConstructCopy() {
    configuration.setToDefaults();
    Configuration clone = new Configuration(configuration);
    assertThat(configuration).isEqualTo(clone);
  }

  @Test
  public void testToString_shouldntExplode() {
    assertThat(new Configuration().toString()).contains("mcc");
  }
}