| /* |
| * Copyright (C) 2015 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 android.support.v7.widget; |
| |
| import android.app.Activity; |
| import android.app.Instrumentation; |
| import android.content.Context; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.rule.ActivityTestRule; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.support.v7.gridlayout.test.R; |
| import android.test.suitebuilder.annotation.SmallTest; |
| import android.util.AttributeSet; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class GridLayoutTest { |
| @Rule public final ActivityTestRule<GridLayoutTestActivity> mActivityTestRule; |
| |
| private View mLeftView; |
| private View mRightView; |
| private View mGridView; |
| |
| public GridLayoutTest() { |
| mActivityTestRule = new ActivityTestRule<>(GridLayoutTestActivity.class); |
| } |
| |
| private void setContentView(final int layoutId) { |
| final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation(); |
| instrumentation.runOnMainSync(new Runnable() { |
| @Override |
| public void run() { |
| final Activity activity = mActivityTestRule.getActivity(); |
| activity.setContentView(layoutId); |
| // Now that we've set the content view, find the views we'll be testing |
| mLeftView = activity.findViewById(R.id.leftView); |
| mRightView = activity.findViewById(R.id.rightView); |
| mGridView = activity.findViewById(R.id.gridView); |
| } |
| }); |
| instrumentation.waitForIdleSync(); |
| } |
| |
| @Test |
| public void testUseDefaultMargin() { |
| setContentView(R.layout.use_default_margin_test); |
| int left = mLeftView.getWidth(); |
| int right = mRightView.getWidth(); |
| int total = mGridView.getWidth(); |
| assertTrue("left item should get some width", left > 0); |
| assertTrue("right item should get some width", right > 0); |
| assertTrue("test sanity", total > 0); |
| assertTrue("left view should be almost two times right view " + left + " vs " + right, |
| Math.abs(right * 2 - left) < 2); |
| } |
| |
| @Test |
| public void testImplicitFillHorizontal() { |
| setContentView(R.layout.fill_horizontal_test); |
| int left = mLeftView.getWidth(); |
| int right = mRightView.getWidth(); |
| int total = mGridView.getWidth(); |
| assertTrue("left item should get some width", left > 0); |
| assertTrue("right item should get some width", right > 0); |
| assertTrue("test sanity", total > 0); |
| assertTrue("left view should be almost two times right view " + left + " vs " + right, |
| Math.abs(right * 2 - left) < 2); |
| } |
| |
| @Test |
| public void testMakeViewGone() { |
| setContentView(R.layout.make_view_gone_test); |
| int left = mLeftView.getWidth(); |
| int right = mRightView.getWidth(); |
| int total = mGridView.getWidth(); |
| assertTrue("left item should get some width", left > 0); |
| assertTrue("right item should get some width", right > 0); |
| assertTrue("test sanity", total > 0); |
| // set second view to gone |
| final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation(); |
| instrumentation.runOnMainSync(new Runnable() { |
| @Override |
| public void run() { |
| final View rightView = mActivityTestRule.getActivity().findViewById(R.id.rightView); |
| GridLayout.LayoutParams lp = (GridLayout.LayoutParams) rightView.getLayoutParams(); |
| lp.setGravity(Gravity.NO_GRAVITY); |
| rightView.setVisibility(View.GONE); |
| } |
| }); |
| instrumentation.waitForIdleSync(); |
| left = mActivityTestRule.getActivity().findViewById(R.id.leftView).getWidth(); |
| assertEquals(total, left); |
| } |
| |
| @Test |
| public void testWrapContentInOtherDirection() { |
| setContentView(R.layout.height_wrap_content_test); |
| int left = mLeftView.getHeight(); |
| int right = mRightView.getHeight(); |
| int total = mGridView.getHeight(); |
| assertTrue("test sanity", left > 0); |
| assertTrue("test sanity", right > 0); |
| assertTrue("test sanity", total > 0); |
| assertTrue("right should be taller than left", right >= left); |
| assertTrue("total height should be smaller than what it could be", |
| total < ((ViewGroup) mGridView.getParent()).getHeight()); |
| } |
| |
| @Test |
| public void testGenerateLayoutParamsFromMarginParams() { |
| MyGridLayout gridLayout = new MyGridLayout(mActivityTestRule.getActivity()); |
| ViewGroup.MarginLayoutParams lp = new ViewGroup.MarginLayoutParams(3, 5); |
| lp.leftMargin = 1; |
| lp.topMargin = 2; |
| lp.rightMargin = 3; |
| lp.bottomMargin = 4; |
| GridLayout.LayoutParams generated = gridLayout.generateLayoutParams(lp); |
| assertEquals(3, generated.width); |
| assertEquals(5, generated.height); |
| |
| assertEquals(1, generated.leftMargin); |
| assertEquals(2, generated.topMargin); |
| assertEquals(3, generated.rightMargin); |
| assertEquals(4, generated.bottomMargin); |
| } |
| |
| private static class MyGridLayout extends GridLayout { |
| |
| public MyGridLayout(Context context) { |
| super(context); |
| } |
| |
| public MyGridLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public MyGridLayout(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| @Override |
| protected LayoutParams generateLayoutParams(ViewGroup.LayoutParams p) { |
| return super.generateLayoutParams(p); |
| } |
| } |
| } |