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      1 /*
      2  * Copyright (C) 2016 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 com.android.internal.widget;
     18 
     19 import static org.junit.Assert.assertTrue;
     20 
     21 import android.content.Context;
     22 import android.support.test.InstrumentationRegistry;
     23 import android.support.test.filters.SmallTest;
     24 import android.view.View.MeasureSpec;
     25 import android.widget.TextView;
     26 
     27 import org.junit.Before;
     28 import org.junit.Test;
     29 
     30 @SmallTest
     31 public class ImageFloatingTextViewTest {
     32 
     33     private Context mContext;
     34     private ImageFloatingTextView mView;
     35     private TextView mTextView;
     36 
     37     @Before
     38     public void setup() {
     39         mContext = InstrumentationRegistry.getTargetContext();
     40         mView = new ImageFloatingTextView(mContext, null, 0, 0);
     41         mView.setMaxLines(9);
     42         mTextView = new TextView(mContext, null, 0, 0);
     43         mTextView.setMaxLines(9);
     44     }
     45 
     46     @Test
     47     public void testEmpty() {
     48         parametrizedTest("");
     49     }
     50 
     51     @Test
     52     public void testSingleLine() {
     53         parametrizedTest("Hello, World!");
     54     }
     55 
     56     @Test
     57     public void testTwoLine() {
     58         parametrizedTest("Hello, World!\nWhat a nice day!");
     59     }
     60 
     61     @Test
     62     public void testShort() {
     63         parametrizedTest("Hello, World! What a nice day! Let's try some more text. "
     64                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet.");
     65     }
     66 
     67     @Test
     68     public void testLong() {
     69         parametrizedTest("Hello, World! What a nice day! Let's try some more text. "
     70                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     71                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     72                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     73                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     74                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     75                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     76                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     77                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     78                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     79                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     80                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     81                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     82                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     83                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     84                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     85                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     86                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     87                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     88                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     89                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     90                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     91                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     92                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     93                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     94                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     95                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     96                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     97                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     98                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
     99                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
    100                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
    101                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet."
    102                 + "Yada yada, yada yada. Lorem ipsum dolor sit amet.");
    103     }
    104 
    105     private void parametrizedTest(CharSequence text) {
    106         int heightMeasureSpec = MeasureSpec.makeMeasureSpec(500, MeasureSpec.AT_MOST);
    107         int widthMeasureSpec = MeasureSpec.makeMeasureSpec(500, MeasureSpec.EXACTLY);
    108 
    109         mTextView.setText(text);
    110         mView.setText(text);
    111 
    112         mTextView.measure(widthMeasureSpec, heightMeasureSpec);
    113         mView.measure(widthMeasureSpec, heightMeasureSpec);
    114 
    115         // We're at most allowed to be the same height as the regular textview and maybe a bit
    116         // smaller since our layout snaps to full textlines.
    117         assertTrue("The measured view should never be taller then the normal textview!",
    118                 mView.getMeasuredHeight() <= mTextView.getMeasuredHeight());
    119     }
    120 }
    121