src/android/tests/src/com/google/android/inputmethod/japanese/preference/MozcFragmentBasePreferenceActivityTest.java

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package org.mozc.android.inputmethod.japanese.preference;

import org.mozc.android.inputmethod.japanese.testing.ApiLevel;
import org.mozc.android.inputmethod.japanese.testing.InstrumentationTestCaseWithMock;

import android.content.Intent;
import android.os.Bundle;
import android.preference.PreferenceActivity;
import android.test.suitebuilder.annotation.SmallTest;

/**
 */
public class MozcFragmentBasePreferenceActivityTest extends InstrumentationTestCaseWithMock {

  @ApiLevel(11)
  @SmallTest
  public void testMaybeCreateRedirectingIntent() {
    // Multi-pane && EXTRA_SHOW_FRAGMENT == null
    // If multi-pane is preferred, EXTRA_SHOW_FRAGMENT doesn't affect anything.
    {
      Intent intent = new Intent();
      assertNull(MozcFragmentBasePreferenceActivity.maybeCreateRedirectingIntent(
          intent, true, PreferencePage.FLAT));
    }

    // Multi-pane && EXTRA_SHOW_FRAGMENT != null
    // If multi-pane is preferred, EXTRA_SHOW_FRAGMENT doesn't affect anything.
    {
      Intent intent = new Intent();
      intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, "foo.bar.Fragment");
      assertNull(MozcFragmentBasePreferenceActivity.maybeCreateRedirectingIntent(
          intent, true, PreferencePage.FLAT));
    }

    // Single-pane && EXTRA_SHOW_FRAGMENT == null
    // Corresponding to 1st call of onCreate so redirection is needed.
    for (PreferencePage preferencePage : PreferencePage.values()){
      Intent intent = new Intent();
      Intent redirectingIntent = MozcFragmentBasePreferenceActivity.maybeCreateRedirectingIntent(
          intent, false, preferencePage);
      assertNotNull(redirectingIntent);
      assertEquals(PreferenceBaseFragment.class.getCanonicalName(),
                   redirectingIntent.getStringExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT));
      Bundle bundle =
          redirectingIntent.getBundleExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT_ARGUMENTS);
      assertEquals(preferencePage.name(),
                   bundle.getString(PreferencePage.EXTRA_ARGUMENT_PREFERENCE_PAGE_NAME));
    }

    // Single-pane && EXTRA_SHOW_FRAGMENT != null
    // Corresponding to 2nd call of onCreate so no redirection is needed.
    {
      Intent intent = new Intent();
      intent.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, "foo.bar.Fragment");
      assertNull(MozcFragmentBasePreferenceActivity.maybeCreateRedirectingIntent(
          intent, false, PreferencePage.FLAT));
    }
  }
}