1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6
7 #include "gtest/gtest.h"
8
9 #include "gfxSkipChars.h"
10 #include "mozilla/ArrayUtils.h"
11
TestConstructor()12 static bool TestConstructor() {
13 gfxSkipChars skipChars;
14
15 EXPECT_TRUE(skipChars.GetOriginalCharCount() == 0)
16 << "[1] Make sure the gfxSkipChars was properly initialized with "
17 "constructor";
18
19 return true;
20 }
21
TestLength()22 static bool TestLength() {
23 gfxSkipChars skipChars;
24
25 skipChars.KeepChars(100);
26
27 EXPECT_TRUE(skipChars.GetOriginalCharCount() == 100)
28 << "[1] Check length after keeping chars";
29
30 skipChars.SkipChars(50);
31
32 EXPECT_TRUE(skipChars.GetOriginalCharCount() == 150)
33 << "[2] Check length after skipping chars";
34
35 skipChars.SkipChars(50);
36
37 EXPECT_TRUE(skipChars.GetOriginalCharCount() == 200)
38 << "[3] Check length after skipping more chars";
39
40 skipChars.KeepChar();
41
42 EXPECT_TRUE(skipChars.GetOriginalCharCount() == 201)
43 << "[4] Check length after keeping a final char";
44
45 return true;
46 }
47
TestIterator()48 static bool TestIterator() {
49 // Test a gfxSkipChars that starts with kept chars
50 gfxSkipChars skipChars1;
51
52 skipChars1.KeepChars(9);
53 skipChars1.SkipChar();
54 skipChars1.KeepChars(9);
55 skipChars1.SkipChar();
56 skipChars1.KeepChars(9);
57
58 EXPECT_TRUE(skipChars1.GetOriginalCharCount() == 29) << "[1] Check length";
59
60 gfxSkipCharsIterator iter1(skipChars1);
61
62 EXPECT_TRUE(iter1.GetOriginalOffset() == 0)
63 << "[2] Check initial original offset";
64 EXPECT_TRUE(iter1.GetSkippedOffset() == 0)
65 << "[3] Check initial skipped offset";
66
67 EXPECT_TRUE(iter1.IsOriginalCharSkipped() == false)
68 << "[3a] Check IsOriginalCharSkipped for initial position";
69
70 uint32_t expectSkipped1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
71 9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
72 18, 19, 20, 21, 22, 23, 24, 25, 26, 27};
73
74 for (uint32_t i = 0; i < mozilla::ArrayLength(expectSkipped1); i++) {
75 EXPECT_TRUE(iter1.ConvertOriginalToSkipped(i) == expectSkipped1[i])
76 << "[4] Check mapping of original to skipped for " << i;
77 }
78
79 int32_t expectOriginal1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8,
80 10, 11, 12, 13, 14, 15, 16, 17, 18,
81 20, 21, 22, 23, 24, 25, 26, 27, 28};
82
83 for (uint32_t i = 0; i < mozilla::ArrayLength(expectOriginal1); i++) {
84 EXPECT_TRUE(iter1.ConvertSkippedToOriginal(i) == expectOriginal1[i])
85 << "[5] Check mapping of skipped to original for " << i;
86 }
87
88 bool expectIsOriginalSkipped1[] = {
89 false, false, false, false, false, false, false, false, false, true,
90 false, false, false, false, false, false, false, false, false, true,
91 false, false, false, false, false, false, false, false, false};
92
93 for (uint32_t i = 0; i < mozilla::ArrayLength(expectIsOriginalSkipped1);
94 i++) {
95 iter1.SetOriginalOffset(i);
96 EXPECT_TRUE(iter1.IsOriginalCharSkipped() == expectIsOriginalSkipped1[i])
97 << "[5.a] Check IsOriginalCharSkipped for " << i;
98 }
99
100 // Test a gfxSkipChars that starts with skipped chars
101 gfxSkipChars skipChars2;
102
103 skipChars2.SkipChars(9);
104 skipChars2.KeepChar();
105 skipChars2.SkipChars(9);
106 skipChars2.KeepChar();
107 skipChars2.SkipChars(9);
108
109 EXPECT_TRUE(skipChars2.GetOriginalCharCount() == 29) << "[6] Check length";
110
111 gfxSkipCharsIterator iter2(skipChars2);
112
113 EXPECT_TRUE(iter2.GetOriginalOffset() == 0)
114 << "[7] Check initial original offset";
115 EXPECT_TRUE(iter2.GetSkippedOffset() == 0)
116 << "[8] Check initial skipped offset";
117
118 EXPECT_TRUE(iter2.IsOriginalCharSkipped() == true)
119 << "[8a] Check IsOriginalCharSkipped for initial position";
120
121 uint32_t expectSkipped2[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
122 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2};
123
124 for (uint32_t i = 0; i < mozilla::ArrayLength(expectSkipped2); i++) {
125 EXPECT_TRUE(iter2.ConvertOriginalToSkipped(i) == expectSkipped2[i])
126 << "[9] Check mapping of original to skipped for " << i;
127 }
128
129 int32_t expectOriginal2[] = {9, 19, 29};
130
131 for (uint32_t i = 0; i < mozilla::ArrayLength(expectOriginal2); i++) {
132 EXPECT_TRUE(iter2.ConvertSkippedToOriginal(i) == expectOriginal2[i])
133 << "[10] Check mapping of skipped to original for " << i;
134 }
135
136 bool expectIsOriginalSkipped2[] = {
137 true, true, true, true, true, true, true, true, true, false,
138 true, true, true, true, true, true, true, true, true, false,
139 true, true, true, true, true, true, true, true, true};
140
141 for (uint32_t i = 0; i < mozilla::ArrayLength(expectIsOriginalSkipped2);
142 i++) {
143 iter2.SetOriginalOffset(i);
144 EXPECT_TRUE(iter2.IsOriginalCharSkipped() == expectIsOriginalSkipped2[i])
145 << "[10.a] Check IsOriginalCharSkipped for " << i;
146 }
147
148 return true;
149 }
150
TEST(Gfx,gfxSkipChars)151 TEST(Gfx, gfxSkipChars)
152 {
153 TestConstructor();
154 TestLength();
155 TestIterator();
156 }
157