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      1 /*
      2  * Copyright (C) 2015 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 package com.android.tv.data;
     17 
     18 import static com.android.tv.data.ChannelNumber.parseChannelNumber;
     19 
     20 import android.support.test.filters.SmallTest;
     21 
     22 import com.android.tv.testing.ComparableTester;
     23 
     24 import junit.framework.TestCase;
     25 
     26 /**
     27  * Tests for {@link ChannelNumber}.
     28  */
     29 @SmallTest
     30 public class ChannelNumberTest extends TestCase {
     31 
     32     /**
     33      * Test method for {@link ChannelNumber#ChannelNumber()}.
     34      */
     35     public void testChannelNumber() {
     36         assertChannelEquals(new ChannelNumber(), "", false, "");
     37     }
     38 
     39     /**
     40      * Test method for
     41      * {@link com.android.tv.data.ChannelNumber#parseChannelNumber(java.lang.String)}.
     42      */
     43     public void testParseChannelNumber() {
     44         assertNull(parseChannelNumber(""));
     45         assertNull(parseChannelNumber(" "));
     46         assertNull(parseChannelNumber("abcd12"));
     47         assertNull(parseChannelNumber("12abcd"));
     48         assertNull(parseChannelNumber("-12"));
     49         assertChannelEquals(parseChannelNumber("1"), "1", false, "");
     50         assertChannelEquals(parseChannelNumber("1234 4321"), "1234", true, "4321");
     51         assertChannelEquals(parseChannelNumber("3-4"), "3", true, "4");
     52         assertChannelEquals(parseChannelNumber("5.6"), "5", true, "6");
     53     }
     54 
     55     /**
     56      * Test method for {@link ChannelNumber#compareTo(com.android.tv.data.ChannelNumber)}.
     57      */
     58     public void testCompareTo() {
     59         new ComparableTester<ChannelNumber>()
     60                 .addEquivalentGroup(parseChannelNumber("1"), parseChannelNumber("1"))
     61                 .addEquivalentGroup(parseChannelNumber("2"))
     62                 .addEquivalentGroup(parseChannelNumber("2 1"), parseChannelNumber("2.1"),
     63                         parseChannelNumber("2-1"))
     64                 .addEquivalentGroup(parseChannelNumber("2-2"))
     65                 .addEquivalentGroup(parseChannelNumber("2-10"))
     66                 .addEquivalentGroup(parseChannelNumber("3"))
     67                 .addEquivalentGroup(parseChannelNumber("4"), parseChannelNumber("4 0"),
     68                         parseChannelNumber("4.0"), parseChannelNumber("4-0"))
     69                 .addEquivalentGroup(parseChannelNumber("10"))
     70                 .addEquivalentGroup(parseChannelNumber("100"))
     71                 .test();
     72     }
     73 
     74     /**
     75      * Test method for {@link ChannelNumber#compare(java.lang.String, java.lang.String)}.
     76      */
     77     public void testCompare() {
     78         // Only need to test nulls, the reset is tested by testCompareTo
     79         assertEquals("compareTo(null,null)", 0, ChannelNumber.compare(null, null));
     80         assertEquals("compareTo(1,1)", 0, ChannelNumber.compare("1", "1"));
     81         assertEquals("compareTo(null,1)<0", true, ChannelNumber.compare(null, "1") < 0);
     82         assertEquals("compareTo(mal-formatted,1)<0", true, ChannelNumber.compare("abcd", "1") < 0);
     83         assertEquals("compareTo(mal-formatted,1)<0", true, ChannelNumber.compare(".4", "1") < 0);
     84         assertEquals("compareTo(1,null)>0", true, ChannelNumber.compare("1", null) > 0);
     85     }
     86 
     87     private void assertChannelEquals(ChannelNumber actual, String expectedMajor,
     88             boolean expectedHasDelimiter, String expectedMinor) {
     89         assertEquals(actual + " major", actual.majorNumber, expectedMajor);
     90         assertEquals(actual + " hasDelimiter", actual.hasDelimiter, expectedHasDelimiter);
     91         assertEquals(actual + " minor", actual.minorNumber, expectedMinor);
     92     }
     93 
     94 }
     95