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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.widget.cts;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 
     21 import android.content.Context;
     22 import android.support.test.InstrumentationRegistry;
     23 import android.support.test.filters.SmallTest;
     24 import android.support.test.runner.AndroidJUnit4;
     25 import android.util.AttributeSet;
     26 import android.util.Xml;
     27 import android.view.Gravity;
     28 import android.view.ViewGroup;
     29 import android.view.ViewGroup.MarginLayoutParams;
     30 import android.widget.FrameLayout;
     31 import android.widget.FrameLayout.LayoutParams;
     32 
     33 import com.android.compatibility.common.util.WidgetTestUtils;
     34 
     35 import org.junit.Before;
     36 import org.junit.Test;
     37 import org.junit.runner.RunWith;
     38 import org.xmlpull.v1.XmlPullParser;
     39 import org.xmlpull.v1.XmlPullParserException;
     40 
     41 import java.io.IOException;
     42 
     43 @SmallTest
     44 @RunWith(AndroidJUnit4.class)
     45 public class FrameLayout_LayoutParamsTest {
     46     private Context mContext;
     47 
     48     @Before
     49     public void setup() {
     50         mContext = InstrumentationRegistry.getTargetContext();
     51     }
     52 
     53     private AttributeSet getAttributeSet() throws XmlPullParserException, IOException {
     54         XmlPullParser parser = mContext.getResources().getLayout(R.layout.framelayout_layout);
     55         WidgetTestUtils.beginDocument(parser, "LinearLayout");
     56         return Xml.asAttributeSet(parser);
     57     }
     58 
     59     @Test
     60     public void testConstructor() throws XmlPullParserException, IOException {
     61         AttributeSet attrs = getAttributeSet();
     62 
     63         new LayoutParams(mContext, attrs);
     64         new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
     65         new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 0);
     66         new LayoutParams(new ViewGroup.LayoutParams(mContext, attrs));
     67         new LayoutParams(new LayoutParams(mContext, attrs));
     68         new LayoutParams(new MarginLayoutParams(mContext, attrs));
     69 
     70         new LayoutParams(-1, -1);
     71         new LayoutParams(-1, -1, -1);
     72     }
     73 
     74     @Test(expected=NullPointerException.class)
     75     public void testConstructorNullContext() {
     76         new LayoutParams(null, null);
     77     }
     78 
     79     @Test(expected=NullPointerException.class)
     80     public void testConstructorNullViewGroupParams() {
     81         new LayoutParams((ViewGroup.LayoutParams) null);
     82     }
     83 
     84     @Test(expected=NullPointerException.class)
     85     public void testConstructorNullViewGroupMarginParams() {
     86         new LayoutParams((ViewGroup.MarginLayoutParams) null);
     87     }
     88 
     89     @Test
     90     public void testCopyConstructor() {
     91         FrameLayout.LayoutParams copy;
     92 
     93         final FrameLayout.LayoutParams fllp = new FrameLayout.LayoutParams(
     94                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
     95         fllp.gravity = Gravity.BOTTOM;
     96         fllp.leftMargin = 5;
     97         fllp.topMargin = 10;
     98         fllp.rightMargin = 15;
     99         fllp.bottomMargin = 20;
    100 
    101         copy = new FrameLayout.LayoutParams(fllp);
    102         assertEquals("Width", fllp.width, copy.width);
    103         assertEquals("Height", fllp.height, copy.height);
    104         assertEquals("Gravity", fllp.gravity, copy.gravity);
    105         assertEquals("Left margin", fllp.leftMargin, copy.leftMargin);
    106         assertEquals("Top margin", fllp.topMargin, copy.topMargin);
    107         assertEquals("Right margin", fllp.rightMargin, copy.rightMargin);
    108         assertEquals("Bottom margin", fllp.bottomMargin, copy.bottomMargin);
    109 
    110         final MarginLayoutParams mlp = new MarginLayoutParams(
    111                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
    112         mlp.leftMargin = 5;
    113         mlp.topMargin = 10;
    114         mlp.rightMargin = 15;
    115         mlp.bottomMargin = 20;
    116 
    117         copy = new FrameLayout.LayoutParams(mlp);
    118         assertEquals("Width", mlp.width, copy.width);
    119         assertEquals("Height", mlp.height, copy.height);
    120         assertEquals("Left margin", fllp.leftMargin, copy.leftMargin);
    121         assertEquals("Top margin", fllp.topMargin, copy.topMargin);
    122         assertEquals("Right margin", fllp.rightMargin, copy.rightMargin);
    123         assertEquals("Bottom margin", fllp.bottomMargin, copy.bottomMargin);
    124 
    125         final ViewGroup.LayoutParams vglp = new ViewGroup.LayoutParams(
    126                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
    127 
    128         copy = new FrameLayout.LayoutParams(vglp);
    129         assertEquals("Width", vglp.width, copy.width);
    130         assertEquals("Height", vglp.height, copy.height);
    131     }
    132 }
    133