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      1 /*
      2  * Copyright (C) 2007 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.ide.common.resources.configuration;
     18 
     19 import com.android.resources.Density;
     20 
     21 import junit.framework.TestCase;
     22 
     23 public class PixelDensityQualifierTest extends TestCase {
     24 
     25     private DensityQualifier pdq;
     26     private FolderConfiguration config;
     27 
     28     @Override
     29     protected void setUp() throws Exception {
     30         super.setUp();
     31         pdq = new DensityQualifier();
     32         config = new FolderConfiguration();
     33     }
     34 
     35     @Override
     36     protected void tearDown() throws Exception {
     37         super.tearDown();
     38         pdq = null;
     39         config = null;
     40     }
     41 
     42     public void testCheckAndSet() {
     43         assertEquals(true, pdq.checkAndSet("ldpi", config));//$NON-NLS-1$
     44         assertTrue(config.getDensityQualifier() != null);
     45         assertEquals(Density.LOW, config.getDensityQualifier().getValue());
     46         assertEquals("ldpi", config.getDensityQualifier().toString()); //$NON-NLS-1$
     47     }
     48 
     49     public void testFailures() {
     50         assertEquals(false, pdq.checkAndSet("", config));//$NON-NLS-1$
     51         assertEquals(false, pdq.checkAndSet("dpi", config));//$NON-NLS-1$
     52         assertEquals(false, pdq.checkAndSet("123dpi", config));//$NON-NLS-1$
     53         assertEquals(false, pdq.checkAndSet("123", config));//$NON-NLS-1$
     54         assertEquals(false, pdq.checkAndSet("sdfdpi", config));//$NON-NLS-1$
     55     }
     56 
     57     public void testIsBetterMatchThan() {
     58         DensityQualifier ldpi = new DensityQualifier(Density.LOW);
     59         DensityQualifier mdpi = new DensityQualifier(Density.MEDIUM);
     60         DensityQualifier hdpi = new DensityQualifier(Density.HIGH);
     61         DensityQualifier xhdpi = new DensityQualifier(Density.XHIGH);
     62 
     63         // first test that each Q is a better match than all other Qs when the ref is the same Q.
     64         assertTrue(ldpi.isBetterMatchThan(mdpi, ldpi));
     65         assertTrue(ldpi.isBetterMatchThan(hdpi, ldpi));
     66         assertTrue(ldpi.isBetterMatchThan(xhdpi, ldpi));
     67 
     68         assertTrue(mdpi.isBetterMatchThan(ldpi, mdpi));
     69         assertTrue(mdpi.isBetterMatchThan(hdpi, mdpi));
     70         assertTrue(mdpi.isBetterMatchThan(xhdpi, mdpi));
     71 
     72         assertTrue(hdpi.isBetterMatchThan(ldpi, hdpi));
     73         assertTrue(hdpi.isBetterMatchThan(mdpi, hdpi));
     74         assertTrue(hdpi.isBetterMatchThan(xhdpi, hdpi));
     75 
     76         assertTrue(xhdpi.isBetterMatchThan(ldpi, xhdpi));
     77         assertTrue(xhdpi.isBetterMatchThan(mdpi, xhdpi));
     78         assertTrue(xhdpi.isBetterMatchThan(hdpi, xhdpi));
     79 
     80         // now test that the highest dpi is always preferable if there's no exact match
     81 
     82         // looking for ldpi:
     83         assertTrue(hdpi.isBetterMatchThan(mdpi, ldpi));
     84         assertTrue(xhdpi.isBetterMatchThan(mdpi, ldpi));
     85         assertTrue(xhdpi.isBetterMatchThan(hdpi, ldpi));
     86         // the other way around
     87         assertFalse(mdpi.isBetterMatchThan(hdpi, ldpi));
     88         assertFalse(mdpi.isBetterMatchThan(xhdpi, ldpi));
     89         assertFalse(hdpi.isBetterMatchThan(xhdpi, ldpi));
     90 
     91         // looking for mdpi
     92         assertTrue(hdpi.isBetterMatchThan(ldpi, mdpi));
     93         assertTrue(xhdpi.isBetterMatchThan(ldpi, mdpi));
     94         assertTrue(xhdpi.isBetterMatchThan(hdpi, mdpi));
     95         // the other way around
     96         assertFalse(ldpi.isBetterMatchThan(hdpi, mdpi));
     97         assertFalse(ldpi.isBetterMatchThan(xhdpi, mdpi));
     98         assertFalse(hdpi.isBetterMatchThan(xhdpi, mdpi));
     99 
    100         // looking for hdpi
    101         assertTrue(mdpi.isBetterMatchThan(ldpi, hdpi));
    102         assertTrue(xhdpi.isBetterMatchThan(ldpi, hdpi));
    103         assertTrue(xhdpi.isBetterMatchThan(mdpi, hdpi));
    104         // the other way around
    105         assertFalse(ldpi.isBetterMatchThan(mdpi, hdpi));
    106         assertFalse(ldpi.isBetterMatchThan(xhdpi, hdpi));
    107         assertFalse(mdpi.isBetterMatchThan(xhdpi, hdpi));
    108 
    109         // looking for xhdpi
    110         assertTrue(mdpi.isBetterMatchThan(ldpi, xhdpi));
    111         assertTrue(hdpi.isBetterMatchThan(ldpi, xhdpi));
    112         assertTrue(hdpi.isBetterMatchThan(mdpi, xhdpi));
    113         // the other way around
    114         assertFalse(ldpi.isBetterMatchThan(mdpi, xhdpi));
    115         assertFalse(ldpi.isBetterMatchThan(hdpi, xhdpi));
    116         assertFalse(mdpi.isBetterMatchThan(hdpi, xhdpi));
    117     }
    118 }
    119