1 /*
2  * Copyright (C) 2010 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.emailcommon.mail;
18 
19 import android.test.suitebuilder.annotation.SmallTest;
20 
21 import com.android.emailcommon.mail.PackedString;
22 
23 import junit.framework.TestCase;
24 
25 /**
26  * Tests of PackedString
27  *
28  * You can run this entire test case with:
29  *   runtest -c com.android.email.mail.PackedStringTests email
30  */
31 @SmallTest
32 public class PackedStringTests extends TestCase {
33     /** Note: copied from actual class */
34     private static final char DELIMITER_ELEMENT = '\1';
35     private static final char DELIMITER_TAG = '\2';
36 
37     // A packed string with tags and values
38     private static final String PACKED_STRING_TAGGED = "val1" + DELIMITER_TAG + "tag1" +
39             DELIMITER_ELEMENT + "val2" + DELIMITER_TAG + "tag2" +
40             DELIMITER_ELEMENT + "val3" + DELIMITER_TAG + "tag3" +
41             DELIMITER_ELEMENT + "val4" + DELIMITER_TAG + "tag4";
42 
testPackedString()43     public void testPackedString() {
44         // Start with a packed string and make sure we can extract the correct Strings
45         PackedString ps = new PackedString(PACKED_STRING_TAGGED);
46         assertEquals("val1", ps.get("tag1"));
47         assertEquals("val2", ps.get("tag2"));
48         assertEquals("val3", ps.get("tag3"));
49         assertEquals("val4", ps.get("tag4"));
50         assertNull(ps.get("tag100"));
51     }
52 
53     // test the builder in "create mode"
testPackedStringBuilderCreate()54     public void testPackedStringBuilderCreate() {
55         PackedString.Builder b = new PackedString.Builder();
56         b.put("tag1", "value1");
57         b.put("tag2", "value2");
58         b.put("tag3", "value3");
59         b.put("tag4", "value4");
60         // can't use simple string compare on output, because order not guaranteed
61         // for now, we'll just pump into another one and test results
62         String packedOut = b.toString();
63         PackedString.Builder b2 = new PackedString.Builder(packedOut);
64         assertEquals("value1", b2.get("tag1"));
65         assertEquals("value2", b2.get("tag2"));
66         assertEquals("value3", b2.get("tag3"));
67         assertEquals("value4", b2.get("tag4"));
68         assertNull(b2.get("tag100"));
69     }
70 
71     // test the builder in "edit mode"
testPackedStringBuilderEdit()72     public void testPackedStringBuilderEdit() {
73         // Start with a Builder based on a non-empty packed string
74         PackedString.Builder b = new PackedString.Builder(PACKED_STRING_TAGGED);
75         // Test readback in-place
76         assertEquals("val1", b.get("tag1"));
77         assertEquals("val2", b.get("tag2"));
78         assertEquals("val3", b.get("tag3"));
79         assertEquals("val4", b.get("tag4"));
80         assertNull(b.get("tag100"));
81 
82         // Test modifications in-place
83         b.put("tag2", "TWO");                   // edit
84         b.put("tag3", null);                    // delete
85         b.put("tag5", "value5");                // add
86         // Read-back modifications in place
87         assertEquals("val1", b.get("tag1"));
88         assertEquals("TWO", b.get("tag2"));     // edited
89         assertEquals(null, b.get("tag3"));      // deleted
90         assertEquals("val4", b.get("tag4"));
91         assertEquals("value5", b.get("tag5"));  // added
92         assertNull(b.get("tag100"));
93 
94         // Confirm resulting packed string is as-expected
95         String packedOut = b.toString();
96         PackedString.Builder b2 = new PackedString.Builder(packedOut);
97         assertEquals("val1", b2.get("tag1"));
98         assertEquals("TWO", b2.get("tag2"));
99         assertEquals(null, b2.get("tag3"));
100         assertEquals("val4", b2.get("tag4"));
101         assertEquals("value5", b2.get("tag5"));
102         assertNull(b2.get("tag100"));
103     }
104 }
105