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.
4
5 #include "base/macros.h"
6 #include "testing/gtest/include/gtest/gtest.h"
7 #include "third_party/icu/source/common/unicode/ucnv.h"
8 #include "url/url_canon.h"
9 #include "url/url_canon_icu.h"
10 #include "url/url_canon_stdstring.h"
11 #include "url/url_test_utils.h"
12
13 // Some implementations of base/basictypes.h may define ARRAYSIZE.
14 // If it's not defined, we define it to the ARRAYSIZE_UNSAFE macro
15 // which is in our version of basictypes.h.
16 #ifndef ARRAYSIZE
17 #define ARRAYSIZE ARRAYSIZE_UNSAFE
18 #endif
19
20 namespace url {
21
22 using test_utils::WStringToUTF16;
23
24 namespace {
25
26 // Wrapper around a UConverter object that managers creation and destruction.
27 class UConvScoper {
28 public:
UConvScoper(const char * charset_name)29 explicit UConvScoper(const char* charset_name) {
30 UErrorCode err = U_ZERO_ERROR;
31 converter_ = ucnv_open(charset_name, &err);
32 }
33
~UConvScoper()34 ~UConvScoper() {
35 if (converter_)
36 ucnv_close(converter_);
37 }
38
39 // Returns the converter object, may be NULL.
converter() const40 UConverter* converter() const { return converter_; }
41
42 private:
43 UConverter* converter_;
44 };
45
TEST(URLCanonIcuTest,ICUCharsetConverter)46 TEST(URLCanonIcuTest, ICUCharsetConverter) {
47 struct ICUCase {
48 const wchar_t* input;
49 const char* encoding;
50 const char* expected;
51 } icu_cases[] = {
52 // UTF-8.
53 {L"Hello, world", "utf-8", "Hello, world"},
54 {L"\x4f60\x597d", "utf-8", "\xe4\xbd\xa0\xe5\xa5\xbd"},
55 // Non-BMP UTF-8.
56 {L"!\xd800\xdf00!", "utf-8", "!\xf0\x90\x8c\x80!"},
57 // Big5
58 {L"\x4f60\x597d", "big5", "\xa7\x41\xa6\x6e"},
59 // Unrepresentable character in the destination set.
60 {L"hello\x4f60\x06de\x597dworld", "big5",
61 "hello\xa7\x41%26%231758%3B\xa6\x6eworld"},
62 };
63
64 for (size_t i = 0; i < ARRAYSIZE(icu_cases); i++) {
65 UConvScoper conv(icu_cases[i].encoding);
66 ASSERT_TRUE(conv.converter() != NULL);
67 ICUCharsetConverter converter(conv.converter());
68
69 std::string str;
70 StdStringCanonOutput output(&str);
71
72 base::string16 input_str(WStringToUTF16(icu_cases[i].input));
73 int input_len = static_cast<int>(input_str.length());
74 converter.ConvertFromUTF16(input_str.c_str(), input_len, &output);
75 output.Complete();
76
77 EXPECT_STREQ(icu_cases[i].expected, str.c_str());
78 }
79
80 // Test string sizes around the resize boundary for the output to make sure
81 // the converter resizes as needed.
82 const int static_size = 16;
83 UConvScoper conv("utf-8");
84 ASSERT_TRUE(conv.converter());
85 ICUCharsetConverter converter(conv.converter());
86 for (int i = static_size - 2; i <= static_size + 2; i++) {
87 // Make a string with the appropriate length.
88 base::string16 input;
89 for (int ch = 0; ch < i; ch++)
90 input.push_back('a');
91
92 RawCanonOutput<static_size> output;
93 converter.ConvertFromUTF16(input.c_str(), static_cast<int>(input.length()),
94 &output);
95 EXPECT_EQ(input.length(), static_cast<size_t>(output.length()));
96 }
97 }
98
TEST(URLCanonIcuTest,QueryWithConverter)99 TEST(URLCanonIcuTest, QueryWithConverter) {
100 struct QueryCase {
101 const char* input8;
102 const wchar_t* input16;
103 const char* encoding;
104 const char* expected;
105 } query_cases[] = {
106 // Regular ASCII case in some different encodings.
107 {"foo=bar", L"foo=bar", "utf-8", "?foo=bar"},
108 {"foo=bar", L"foo=bar", "shift_jis", "?foo=bar"},
109 {"foo=bar", L"foo=bar", "gb2312", "?foo=bar"},
110 // Chinese input/output
111 {"q=\xe4\xbd\xa0\xe5\xa5\xbd", L"q=\x4f60\x597d", "gb2312",
112 "?q=%C4%E3%BA%C3"},
113 {"q=\xe4\xbd\xa0\xe5\xa5\xbd", L"q=\x4f60\x597d", "big5", "?q=%A7A%A6n"},
114 // Unencodable character in the destination character set should be
115 // escaped. The escape sequence unescapes to be the entity name:
116 // "?q=你"
117 {"q=Chinese\xef\xbc\xa7", L"q=Chinese\xff27", "iso-8859-1",
118 "?q=Chinese%26%2365319%3B"},
119 };
120
121 for (size_t i = 0; i < ARRAYSIZE(query_cases); i++) {
122 Component out_comp;
123
124 UConvScoper conv(query_cases[i].encoding);
125 ASSERT_TRUE(!query_cases[i].encoding || conv.converter());
126 ICUCharsetConverter converter(conv.converter());
127
128 if (query_cases[i].input8) {
129 int len = static_cast<int>(strlen(query_cases[i].input8));
130 Component in_comp(0, len);
131 std::string out_str;
132
133 StdStringCanonOutput output(&out_str);
134 CanonicalizeQuery(query_cases[i].input8, in_comp, &converter, &output,
135 &out_comp);
136 output.Complete();
137
138 EXPECT_EQ(query_cases[i].expected, out_str);
139 }
140
141 if (query_cases[i].input16) {
142 base::string16 input16(WStringToUTF16(query_cases[i].input16));
143 int len = static_cast<int>(input16.length());
144 Component in_comp(0, len);
145 std::string out_str;
146
147 StdStringCanonOutput output(&out_str);
148 CanonicalizeQuery(input16.c_str(), in_comp, &converter, &output,
149 &out_comp);
150 output.Complete();
151
152 EXPECT_EQ(query_cases[i].expected, out_str);
153 }
154 }
155
156 // Extra test for input with embedded NULL;
157 std::string out_str;
158 StdStringCanonOutput output(&out_str);
159 Component out_comp;
160 CanonicalizeQuery("a \x00z\x01", Component(0, 5), NULL, &output, &out_comp);
161 output.Complete();
162 EXPECT_EQ("?a%20%00z%01", out_str);
163 }
164
165 } // namespace
166
167 } // namespace url
168