src/test/java/com/xtremelabs/robolectric/shadows/AlertDialogTest.java

package com.xtremelabs.robolectric.shadows;

import android.app.AlertDialog;
import android.content.ContextWrapper;
import com.xtremelabs.robolectric.WithTestDefaultsRunner;
import org.junit.Test;
import org.junit.runner.RunWith;

import static com.xtremelabs.robolectric.Robolectric.shadowOf;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.junit.Assert.assertThat;

@RunWith(WithTestDefaultsRunner.class)
public class AlertDialogTest {

    @Test
    public void testBuilder() throws Exception {
        AlertDialog.Builder builder = new AlertDialog.Builder(new ContextWrapper(null));
        builder.setTitle("title")
                .setMessage("message");
        AlertDialog alert = builder.create();
        alert.show();

        assertThat(alert.isShowing(), equalTo(true));

        ShadowAlertDialog shadowAlertDialog = shadowOf(alert);
        assertThat(shadowAlertDialog.getTitle(), equalTo("title"));
        assertThat(shadowAlertDialog.getMessage(), equalTo("message"));
        assertThat(ShadowAlertDialog.getLatestAlertDialog(), sameInstance(shadowAlertDialog));
    }
}