1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
6 #include "core/css/parser/MediaQueryTokenizer.h"
8 #include "core/css/parser/MediaQueryBlockWatcher.h"
9 #include "wtf/PassOwnPtr.h"
10 #include <gtest/gtest.h>
21 const unsigned maxLevel;
22 const unsigned finalLevel;
25 TEST(MediaQueryTokenizerTest, Basic)
27 TestCase testCases[] = {
28 { "(max-width: 50px)", "(max-width: 50px)" },
29 { "(max-width: 1e+2px)", "(max-width: 100px)" },
30 { "(max-width: 1e2px)", "(max-width: 100px)" },
31 { "(max-width: 1000e-1px)", "(max-width: 100px)" },
32 { "(max-width: 50\\70\\78)", "(max-width: 50px)" },
33 { "(max-width: /* comment */50px)", "(max-width: 50px)" },
34 { "(max-width: /** *commen*t */60px)", "(max-width: 60px)" },
35 { "(max-width: /** *commen*t **/70px)", "(max-width: 70px)" },
36 { "(max-width: /** *commen*t **//**/80px)", "(max-width: 80px)" },
37 { "(max-width: /*/ **/90px)", "(max-width: 90px)" },
38 { "(max-width: /*/ **/*100px)", "(max-width: *100px)" },
39 { "(max-width: 110px/*)", "(max-width: 110px" },
40 { "(max-width: 120px)/*", "(max-width: 120px)" },
41 { "(max-width: 130px)/**", "(max-width: 130px)" },
42 { "(max-width: /***/140px)/**/", "(max-width: 140px)" },
43 { "(max-width: '40px')", "(max-width: 40px)" },
44 { "(max-width: '40px", "(max-width: 40px" },
45 { "(max-width: '40px\n", "(max-width: " },
46 { "(max-width: '40px\\", "(max-width: 40px" },
47 { "(max-width: '40px\\\n", "(max-width: 40px" },
48 { "(max-width: '40px\\\n')", "(max-width: 40px)" },
49 { "(max-width: '40\\70\\78')", "(max-width: 40px)" },
50 { "(max-width: '40\\\npx')", "(max-width: 40px)" },
51 { 0, 0 } // Do not remove the terminator line.
54 for (int i = 0; testCases[i].input; ++i) {
55 Vector<MediaQueryToken> tokens;
56 MediaQueryTokenizer::tokenize(testCases[i].input, tokens);
58 for (size_t j = 0; j < tokens.size(); ++j)
59 output.append(tokens[j].textForUnitTests());
60 ASSERT_STREQ(testCases[i].output, output.toString().ascii().data());
64 TEST(MediaQueryTokenizerBlockTest, Basic)
66 BlockTestCase testCases[] = {
67 {"(max-width: 800px()), (max-width: 800px)", 2, 0},
68 {"(max-width: 900px(()), (max-width: 900px)", 3, 1},
69 {"(max-width: 600px(())))), (max-width: 600px)", 3, 0},
70 {"(max-width: 500px(((((((((())))), (max-width: 500px)", 11, 6},
71 {"(max-width: 800px[]), (max-width: 800px)", 2, 0},
72 {"(max-width: 900px[[]), (max-width: 900px)", 3, 2},
73 {"(max-width: 600px[[]]]]), (max-width: 600px)", 3, 0},
74 {"(max-width: 500px[[[[[[[[[[]]]]), (max-width: 500px)", 11, 7},
75 {"(max-width: 800px{}), (max-width: 800px)", 2, 0},
76 {"(max-width: 900px{{}), (max-width: 900px)", 3, 2},
77 {"(max-width: 600px{{}}}}), (max-width: 600px)", 3, 0},
78 {"(max-width: 500px{{{{{{{{{{}}}}), (max-width: 500px)", 11, 7},
79 {"[(), (max-width: 400px)", 2, 1},
80 {"[{}, (max-width: 500px)", 2, 1},
81 {"[{]}], (max-width: 900px)", 2, 0},
82 {"[{[]{}{{{}}}}], (max-width: 900px)", 5, 0},
83 {"[{[}], (max-width: 900px)", 3, 2},
84 {"[({)}], (max-width: 900px)", 3, 2},
85 {"[]((), (max-width: 900px)", 2, 1},
86 {"((), (max-width: 900px)", 2, 1},
87 {"(foo(), (max-width: 900px)", 2, 1},
88 {"[](()), (max-width: 900px)", 2, 0},
89 {"all an[isdfs bla())(i())]icalc(i)(()), (max-width: 400px)", 3, 0},
90 {"all an[isdfs bla())(]icalc(i)(()), (max-width: 500px)", 4, 2},
91 {"all an[isdfs bla())(]icalc(i)(())), (max-width: 600px)", 4, 1},
92 {"all an[isdfs bla())(]icalc(i)(()))], (max-width: 800px)", 4, 0},
93 {0, 0, 0} // Do not remove the terminator line.
95 for (int i = 0; testCases[i].input; ++i) {
96 Vector<MediaQueryToken> tokens;
97 MediaQueryTokenizer::tokenize(testCases[i].input, tokens);
98 MediaQueryBlockWatcher blockWatcher;
100 unsigned maxLevel = 0;
102 for (size_t j = 0; j < tokens.size(); ++j) {
103 blockWatcher.handleToken(tokens[j]);
104 level = blockWatcher.blockLevel();
105 maxLevel = std::max(level, maxLevel);
107 ASSERT_EQ(testCases[i].maxLevel, maxLevel);
108 ASSERT_EQ(testCases[i].finalLevel, level);
112 void testToken(UChar c, MediaQueryTokenType tokenType)
114 Vector<MediaQueryToken> tokens;
117 MediaQueryTokenizer::tokenize(input.toString(), tokens);
118 ASSERT_EQ(tokens[0].type(), tokenType);
121 TEST(MediaQueryTokenizerCodepointsTest, Basic)
123 for (UChar c = 0; c <= 1000; ++c) {
125 testToken(c, NumberToken);
126 else if (isASCIIAlpha(c))
127 testToken(c, IdentToken);
129 testToken(c, IdentToken);
130 else if (c == '\r' || c == ' ' || c == '\n' || c == '\t' || c == '\f')
131 testToken(c, WhitespaceToken);
133 testToken(c, LeftParenthesisToken);
135 testToken(c, RightParenthesisToken);
137 testToken(c, LeftBracketToken);
139 testToken(c, RightBracketToken);
141 testToken(c, LeftBraceToken);
143 testToken(c, RightBraceToken);
144 else if (c == '.' || c == '+' || c == '-' || c == '/' || c == '\\')
145 testToken(c, DelimiterToken);
146 else if (c == '\'' || c == '"')
147 testToken(c, StringToken);
149 testToken(c, CommaToken);
151 testToken(c, ColonToken);
153 testToken(c, SemicolonToken);
155 testToken(c, EOFToken);
156 else if (c > SCHAR_MAX)
157 testToken(c, IdentToken);
159 testToken(c, DelimiterToken);
161 testToken(USHRT_MAX, IdentToken);