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cfx_csssyntaxparser_unittest.cpp
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1// Copyright 2020 The PDFium Authors
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "core/fxcrt/css/cfx_csssyntaxparser.h"
6
7#include "testing/gtest/include/gtest/gtest.h"
8
9// These tests cover the "declaration only" mode of the CSS Syntax Parser
10// (i.e. inline style="" attribute). The cfx_cssstylesheet_unitttest.cpp
11// file covers the full-up selector { ... } parsing.
12
13TEST(CSSSyntaxParserTest, ParseEmpty) {
14 const wchar_t* input = L"";
15 CFX_CSSSyntaxParser parser(input);
16 parser.SetParseOnlyDeclarations();
17 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
18 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
19}
20
21TEST(CSSSyntaxParserTest, ParseBlank) {
22 const wchar_t* input = L" \n\r\t";
23 CFX_CSSSyntaxParser parser(input);
24 parser.SetParseOnlyDeclarations();
25 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
26 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
27}
28
36
37TEST(CSSSyntaxParserTest, ParseMissingValue) {
38 const wchar_t* input = L"foo: ";
39 CFX_CSSSyntaxParser parser(input);
40 parser.SetParseOnlyDeclarations();
41 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
42 EXPECT_EQ(L"foo", parser.GetCurrentString());
43 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
44}
45
46TEST(CSSSyntaxParserTest, ParseSingleProp1) {
47 const wchar_t* input = L"foo:bar";
48 CFX_CSSSyntaxParser parser(input);
49 parser.SetParseOnlyDeclarations();
50 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
51 EXPECT_EQ(L"foo", parser.GetCurrentString());
52 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
53 parser.DoSyntaxParse());
54 EXPECT_EQ(L"bar", parser.GetCurrentString());
55 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
56}
57
58TEST(CSSSyntaxParserTest, ParseSingleProp2) {
59 const wchar_t* input = L"foo:bar;";
60 CFX_CSSSyntaxParser parser(input);
61 parser.SetParseOnlyDeclarations();
62 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
63 EXPECT_EQ(L"foo", parser.GetCurrentString());
64 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
65 parser.DoSyntaxParse());
66 EXPECT_EQ(L"bar", parser.GetCurrentString());
67 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
68}
69
70TEST(CSSSyntaxParserTest, ParseMissingColonMultiple) {
71 const wchar_t* input = L"foo:bar; baz";
72 CFX_CSSSyntaxParser parser(input);
73 parser.SetParseOnlyDeclarations();
74 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
75 EXPECT_EQ(L"foo", parser.GetCurrentString());
76 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
77 parser.DoSyntaxParse());
78 EXPECT_EQ(L"bar", parser.GetCurrentString());
79 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
80}
81
82TEST(CSSSyntaxParserTest, ParseMissingPropertyMultiple) {
83 const wchar_t* input = L"foo:bar; baz: ";
84 CFX_CSSSyntaxParser parser(input);
85 parser.SetParseOnlyDeclarations();
86 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
87 EXPECT_EQ(L"foo", parser.GetCurrentString());
88 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
89 parser.DoSyntaxParse());
90 EXPECT_EQ(L"bar", parser.GetCurrentString());
91 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
92 EXPECT_EQ(L"baz", parser.GetCurrentString());
93 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
94}
95
96TEST(CSSSyntaxParserTest, ParseMultipleProp1) {
97 const wchar_t* input = L"foo : bar; baz : bam";
98 CFX_CSSSyntaxParser parser(input);
99 parser.SetParseOnlyDeclarations();
100 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
101 EXPECT_EQ(L"foo", parser.GetCurrentString());
102 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
103 parser.DoSyntaxParse());
104 EXPECT_EQ(L"bar", parser.GetCurrentString());
105 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
106 EXPECT_EQ(L"baz", parser.GetCurrentString());
107 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
108 parser.DoSyntaxParse());
109 EXPECT_EQ(L"bam", parser.GetCurrentString());
110 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
111}
112
113TEST(CSSSyntaxParserTest, ParseMultipleProp2) {
114 const wchar_t* input = L"foo:bar;baz:bam;";
115 CFX_CSSSyntaxParser parser(input);
116 parser.SetParseOnlyDeclarations();
117 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
118 EXPECT_EQ(L"foo", parser.GetCurrentString());
119 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
120 parser.DoSyntaxParse());
121 EXPECT_EQ(L"bar", parser.GetCurrentString());
122 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
123 EXPECT_EQ(L"baz", parser.GetCurrentString());
124 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
125 parser.DoSyntaxParse());
126 EXPECT_EQ(L"bam", parser.GetCurrentString());
127 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kEOS, parser.DoSyntaxParse());
128}
129
130TEST(CSSSyntaxParserTest, ParseOpenBrace1) {
131 const wchar_t* input = L"{a:3}";
132 CFX_CSSSyntaxParser parser(input);
133 parser.SetParseOnlyDeclarations();
134
135 // TODO(tsepez): these should fail on stray punctuation.
136 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
137 EXPECT_EQ(L"{a", parser.GetCurrentString());
138 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
139 parser.DoSyntaxParse());
140 EXPECT_EQ(L"3", parser.GetCurrentString());
141 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
142}
143
144TEST(CSSSyntaxParserTest, ParseOpenBrace2) {
145 const wchar_t* input = L"foo {a:3}";
146 CFX_CSSSyntaxParser parser(input);
147 parser.SetParseOnlyDeclarations();
148
149 // TODO(tsepez): these should fail on stray punctuation.
150 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
151 EXPECT_EQ(L"foo {a", parser.GetCurrentString());
152 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
153 parser.DoSyntaxParse());
154 EXPECT_EQ(L"3", parser.GetCurrentString());
155 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
156}
157
158TEST(CSSSyntaxParserTest, ParseOpenBrace3) {
159 const wchar_t* input = L"foo: bar {a:3}";
160 CFX_CSSSyntaxParser parser(input);
161 parser.SetParseOnlyDeclarations();
162
163 // TODO(tsepez): these should fail on stray punctuation.
164 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
165 EXPECT_EQ(L"foo", parser.GetCurrentString());
166 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
167 parser.DoSyntaxParse());
168 EXPECT_EQ(L"bar {a:3", parser.GetCurrentString());
169 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
170}
171
172TEST(CSSSyntaxParserTest, ParseOpenBrace4) {
173 const wchar_t* input = L"foo: bar; {a:3}";
174 CFX_CSSSyntaxParser parser(input);
175 parser.SetParseOnlyDeclarations();
176 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
177 EXPECT_EQ(L"foo", parser.GetCurrentString());
178 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
179 parser.DoSyntaxParse());
180 EXPECT_EQ(L"bar", parser.GetCurrentString());
181
182 // TODO(tsepez): these should fail on stray punctuation.
183 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
184 EXPECT_EQ(L"{a", parser.GetCurrentString());
185 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
186 parser.DoSyntaxParse());
187 EXPECT_EQ(L"3", parser.GetCurrentString());
188 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
189}
190
191TEST(CSSSyntaxParserTest, ParseCloseBrace1) {
192 const wchar_t* input = L"} foo:bar";
193 CFX_CSSSyntaxParser parser(input);
194 parser.SetParseOnlyDeclarations();
195 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
196}
197
198TEST(CSSSyntaxParserTest, ParseCloseBrace2) {
199 const wchar_t* input = L"foo}:bar";
200 CFX_CSSSyntaxParser parser(input);
201 parser.SetParseOnlyDeclarations();
202 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
203}
204
205TEST(CSSSyntaxParserTest, ParseCloseBrace3) {
206 const wchar_t* input = L"foo:bar}";
207 CFX_CSSSyntaxParser parser(input);
208 parser.SetParseOnlyDeclarations();
209 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
210 EXPECT_EQ(L"foo", parser.GetCurrentString());
211 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
212 parser.DoSyntaxParse());
213 EXPECT_EQ(L"bar", parser.GetCurrentString());
214 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
215}
216
217TEST(CSSSyntaxParserTest, ParseCloseBrace4) {
218 const wchar_t* input = L"foo:bar;}";
219 CFX_CSSSyntaxParser parser(input);
220 parser.SetParseOnlyDeclarations();
221 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyName, parser.DoSyntaxParse());
222 EXPECT_EQ(L"foo", parser.GetCurrentString());
223 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kPropertyValue,
224 parser.DoSyntaxParse());
225 EXPECT_EQ(L"bar", parser.GetCurrentString());
226 EXPECT_EQ(CFX_CSSSyntaxParser::Status::kError, parser.DoSyntaxParse());
227}
CFX_CSSSyntaxParser
Definition cfx_csssyntaxparser.h:16
CFX_CSSSyntaxParser::Status
Status
Definition cfx_csssyntaxparser.h:18
CFX_CSSSyntaxParser::Status::kPropertyValue
@ kPropertyValue
CFX_CSSSyntaxParser::Status::kEOS
@ kEOS
CFX_CSSSyntaxParser::Status::kError
@ kError
CFX_CSSSyntaxParser::Status::kPropertyName
@ kPropertyName
CFX_CSSSyntaxParser::GetCurrentString
WideStringView GetCurrentString() const
Definition cfx_csssyntaxparser.cpp:173
CFX_CSSSyntaxParser::DoSyntaxParse
Status DoSyntaxParse()
Definition cfx_csssyntaxparser.cpp:31
CFX_CSSSyntaxParser::SetParseOnlyDeclarations
void SetParseOnlyDeclarations()
Definition cfx_csssyntaxparser.cpp:27
TEST
TEST(FXCRYPT, MD5GenerateEmtpyData)
Definition fx_crypt_unittest.cpp:45