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1 // Copyright (c) 2011 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.
4 
5 #include "base/basictypes.h"
6 #include "googleurl/src/gurl.h"
7 #include "net/base/data_url.h"
8 #include "testing/gtest/include/gtest/gtest.h"
9 
10 namespace {
11 
12 struct ParseTestData {
13   const char* url;
14   bool is_valid;
15   const char* mime_type;
16   const char* charset;
17   const char* data;
18 };
19 
20 }
21 
TEST(DataURLTest,Parse)22 TEST(DataURLTest, Parse) {
23   const ParseTestData tests[] = {
24     { "data:",
25        false,
26        "",
27        "",
28        "" },
29 
30     { "data:,",
31       true,
32       "text/plain",
33       "US-ASCII",
34       "" },
35 
36     { "data:;base64,",
37       true,
38       "text/plain",
39       "US-ASCII",
40       "" },
41 
42     { "data:;charset=,test",
43       true,
44       "text/plain",
45       "US-ASCII",
46       "test" },
47 
48     { "data:TeXt/HtMl,<b>x</b>",
49       true,
50       "text/html",
51       "US-ASCII",
52       "<b>x</b>" },
53 
54     { "data:,foo",
55       true,
56       "text/plain",
57       "US-ASCII",
58       "foo" },
59 
60     { "data:;base64,aGVsbG8gd29ybGQ=",
61       true,
62       "text/plain",
63       "US-ASCII",
64       "hello world" },
65 
66     { "data:foo/bar;baz=1;charset=kk,boo",
67       true,
68       "foo/bar",
69       "kk",
70       "boo" },
71 
72     { "data:text/html,%3Chtml%3E%3Cbody%3E%3Cb%3Ehello%20world"
73           "%3C%2Fb%3E%3C%2Fbody%3E%3C%2Fhtml%3E",
74       true,
75       "text/html",
76       "US-ASCII",
77       "<html><body><b>hello world</b></body></html>" },
78 
79     { "data:text/html,<html><body><b>hello world</b></body></html>",
80       true,
81       "text/html",
82       "US-ASCII",
83       "<html><body><b>hello world</b></body></html>" },
84 
85     // the comma cannot be url-escaped!
86     { "data:%2Cblah",
87       false,
88       "",
89       "",
90       "" },
91 
92     // invalid base64 content
93     { "data:;base64,aGVs_-_-",
94       false,
95       "",
96       "",
97       "" },
98 
99     // Spaces should be removed from non-text data URLs (we already tested
100     // spaces above).
101     { "data:image/fractal,a b c d e f g",
102       true,
103       "image/fractal",
104       "US-ASCII",
105       "abcdefg" },
106 
107     // Spaces should also be removed from anything base-64 encoded
108     { "data:;base64,aGVs bG8gd2  9ybGQ=",
109       true,
110       "text/plain",
111       "US-ASCII",
112       "hello world" },
113 
114     // Other whitespace should also be removed from anything base-64 encoded.
115     { "data:;base64,aGVs bG8gd2  \n9ybGQ=",
116       true,
117       "text/plain",
118       "US-ASCII",
119       "hello world" },
120 
121     // In base64 encoding, escaped whitespace should be stripped.
122     // (This test was taken from acid3)
123     // http://b/1054495
124     { "data:text/javascript;base64,%20ZD%20Qg%0D%0APS%20An%20Zm91cic%0D%0A%207"
125           "%20",
126       true,
127       "text/javascript",
128       "US-ASCII",
129       "d4 = 'four';" },
130 
131     // Only unescaped whitespace should be stripped in non-base64.
132     // http://b/1157796
133     { "data:img/png,A  B  %20  %0A  C",
134       true,
135       "img/png",
136       "US-ASCII",
137       "AB \nC" },
138 
139     // TODO(darin): add more interesting tests
140   };
141 
142   for (size_t i = 0; i < arraysize(tests); ++i) {
143     std::string mime_type;
144     std::string charset;
145     std::string data;
146     bool ok =
147         net::DataURL::Parse(GURL(tests[i].url), &mime_type, &charset, &data);
148     EXPECT_EQ(ok, tests[i].is_valid);
149     if (tests[i].is_valid) {
150       EXPECT_EQ(tests[i].mime_type, mime_type);
151       EXPECT_EQ(tests[i].charset, charset);
152       EXPECT_EQ(tests[i].data, data);
153     }
154   }
155 }
156