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/*
* Copyright (C) 2017 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.setupwizardlib.template;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import com.android.setupwizardlib.TemplateLayout;
import com.android.setupwizardlib.test.R;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class TemplateLayoutMixinTest {
private TestTemplateLayout mLayout;
@Before
public void setUp() throws Exception {
mLayout = new TestTemplateLayout(InstrumentationRegistry.getContext());
}
@Test
public void testGetMixin() {
final TestMixin mixin = mLayout.getMixin(TestMixin.class);
assertNotNull("TestMixin should not be null", mixin);
assertTrue("TestMixin should be an instance of TestMixinSubclass. "
+ "Found " + mixin.getClass() + " instead.",
mixin instanceof TestMixinSubclass);
// Mixin must be retrieved using the interface it's registered with, not the concrete class,
// although they are often the same.
assertNull("TestMixinSubclass should be null", mLayout.getMixin(TestMixinSubclass.class));
}
private static class TestTemplateLayout extends TemplateLayout {
TestTemplateLayout(Context context) {
super(context, R.layout.test_template, R.id.suw_layout_content);
registerMixin(TestMixin.class, new TestMixinSubclass());
}
}
private static class TestMixin implements Mixin {}
private static class TestMixinSubclass extends TestMixin {}
}
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