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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.util.AttributeSet;
     23 import android.util.Xml;
     24 import android.view.Gravity;
     25 import android.view.ViewGroup;
     26 import android.view.ViewGroup.MarginLayoutParams;
     27 import android.widget.FrameLayout;
     28 import android.widget.FrameLayout.LayoutParams;
     29 
     30 import androidx.test.InstrumentationRegistry;
     31 import androidx.test.filters.SmallTest;
     32 import androidx.test.runner.AndroidJUnit4;
     33 
     34 import com.android.compatibility.common.util.WidgetTestUtils;
     35 
     36 import org.junit.Before;
     37 import org.junit.Test;
     38 import org.junit.runner.RunWith;
     39 import org.xmlpull.v1.XmlPullParser;
     40 import org.xmlpull.v1.XmlPullParserException;
     41 
     42 import java.io.IOException;
     43 
     44 @SmallTest
     45 @RunWith(AndroidJUnit4.class)
     46 public class FrameLayout_LayoutParamsTest {
     47     private Context mContext;
     48 
     49     @Before
     50     public void setup() {
     51         mContext = InstrumentationRegistry.getTargetContext();
     52     }
     53 
     54     private AttributeSet getAttributeSet() throws XmlPullParserException, IOException {
     55         XmlPullParser parser = mContext.getResources().getLayout(R.layout.framelayout_layout);
     56         WidgetTestUtils.beginDocument(parser, "LinearLayout");
     57         return Xml.asAttributeSet(parser);
     58     }
     59 
     60     @Test
     61     public void testConstructor() throws XmlPullParserException, IOException {
     62         AttributeSet attrs = getAttributeSet();
     63 
     64         new LayoutParams(mContext, attrs);
     65         new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
     66         new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 0);
     67         new LayoutParams(new ViewGroup.LayoutParams(mContext, attrs));
     68         new LayoutParams(new LayoutParams(mContext, attrs));
     69         new LayoutParams(new MarginLayoutParams(mContext, attrs));
     70 
     71         new LayoutParams(-1, -1);
     72         new LayoutParams(-1, -1, -1);
     73     }
     74 
     75     @Test(expected=NullPointerException.class)
     76     public void testConstructorNullContext() {
     77         new LayoutParams(null, null);
     78     }
     79 
     80     @Test(expected=NullPointerException.class)
     81     public void testConstructorNullViewGroupParams() {
     82         new LayoutParams((ViewGroup.LayoutParams) null);
     83     }
     84 
     85     @Test(expected=NullPointerException.class)
     86     public void testConstructorNullViewGroupMarginParams() {
     87         new LayoutParams((ViewGroup.MarginLayoutParams) null);
     88     }
     89 
     90     @Test
     91     public void testCopyConstructor() {
     92         FrameLayout.LayoutParams copy;
     93 
     94         final FrameLayout.LayoutParams fllp = new FrameLayout.LayoutParams(
     95                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
     96         fllp.gravity = Gravity.BOTTOM;
     97         fllp.leftMargin = 5;
     98         fllp.topMargin = 10;
     99         fllp.rightMargin = 15;
    100         fllp.bottomMargin = 20;
    101 
    102         copy = new FrameLayout.LayoutParams(fllp);
    103         assertEquals("Width", fllp.width, copy.width);
    104         assertEquals("Height", fllp.height, copy.height);
    105         assertEquals("Gravity", fllp.gravity, copy.gravity);
    106         assertEquals("Left margin", fllp.leftMargin, copy.leftMargin);
    107         assertEquals("Top margin", fllp.topMargin, copy.topMargin);
    108         assertEquals("Right margin", fllp.rightMargin, copy.rightMargin);
    109         assertEquals("Bottom margin", fllp.bottomMargin, copy.bottomMargin);
    110 
    111         final MarginLayoutParams mlp = new MarginLayoutParams(
    112                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
    113         mlp.leftMargin = 5;
    114         mlp.topMargin = 10;
    115         mlp.rightMargin = 15;
    116         mlp.bottomMargin = 20;
    117 
    118         copy = new FrameLayout.LayoutParams(mlp);
    119         assertEquals("Width", mlp.width, copy.width);
    120         assertEquals("Height", mlp.height, copy.height);
    121         assertEquals("Left margin", fllp.leftMargin, copy.leftMargin);
    122         assertEquals("Top margin", fllp.topMargin, copy.topMargin);
    123         assertEquals("Right margin", fllp.rightMargin, copy.rightMargin);
    124         assertEquals("Bottom margin", fllp.bottomMargin, copy.bottomMargin);
    125 
    126         final ViewGroup.LayoutParams vglp = new ViewGroup.LayoutParams(
    127                 LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
    128 
    129         copy = new FrameLayout.LayoutParams(vglp);
    130         assertEquals("Width", vglp.width, copy.width);
    131         assertEquals("Height", vglp.height, copy.height);
    132     }
    133 }
    134