1 // Copyright (c) 2006-2008 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/json/string_escape.h"
6 #include "base/utf_string_conversions.h"
7 #include "testing/gtest/include/gtest/gtest.h"
8
9 namespace base {
10
11 namespace {
12
13 const struct json_narrow_test_data {
14 const char* to_escape;
15 const char* escaped;
16 } json_narrow_cases[] = {
17 {"\b\001aZ\"\\wee", "\\b\\u0001aZ\\\"\\\\wee"},
18 {"a\b\f\n\r\t\v\1\\.\"z",
19 "a\\b\\f\\n\\r\\t\\u000B\\u0001\\\\.\\\"z"},
20 {"b\x0f\x7f\xf0\xff!", "b\\u000F\\u007F\\u00F0\\u00FF!"},
21 {"c<>d", "c\\u003C\\u003Ed"},
22 };
23
24 } // namespace
25
TEST(StringEscapeTest,JsonDoubleQuoteNarrow)26 TEST(StringEscapeTest, JsonDoubleQuoteNarrow) {
27 for (size_t i = 0; i < arraysize(json_narrow_cases); ++i) {
28 std::string in = json_narrow_cases[i].to_escape;
29 std::string out;
30 JsonDoubleQuote(in, false, &out);
31 EXPECT_EQ(std::string(json_narrow_cases[i].escaped), out);
32 }
33
34 std::string in = json_narrow_cases[0].to_escape;
35 std::string out;
36 JsonDoubleQuote(in, false, &out);
37
38 // test quoting
39 std::string out_quoted;
40 JsonDoubleQuote(in, true, &out_quoted);
41 EXPECT_EQ(out.length() + 2, out_quoted.length());
42 EXPECT_EQ(out_quoted.find(out), 1U);
43
44 // now try with a NULL in the string
45 std::string null_prepend = "test";
46 null_prepend.push_back(0);
47 in = null_prepend + in;
48 std::string expected = "test\\u0000";
49 expected += json_narrow_cases[0].escaped;
50 out.clear();
51 JsonDoubleQuote(in, false, &out);
52 EXPECT_EQ(expected, out);
53 }
54
55 namespace {
56
57 const struct json_wide_test_data {
58 const wchar_t* to_escape;
59 const char* escaped;
60 } json_wide_cases[] = {
61 {L"b\uffb1\u00ff", "b\\uFFB1\\u00FF"},
62 {L"\b\001aZ\"\\wee", "\\b\\u0001aZ\\\"\\\\wee"},
63 {L"a\b\f\n\r\t\v\1\\.\"z",
64 "a\\b\\f\\n\\r\\t\\u000B\\u0001\\\\.\\\"z"},
65 {L"b\x0f\x7f\xf0\xff!", "b\\u000F\\u007F\\u00F0\\u00FF!"},
66 {L"c<>d", "c\\u003C\\u003Ed"},
67 };
68
69 } // namespace
70
TEST(StringEscapeTest,JsonDoubleQuoteWide)71 TEST(StringEscapeTest, JsonDoubleQuoteWide) {
72 for (size_t i = 0; i < arraysize(json_wide_cases); ++i) {
73 std::string out;
74 string16 in = WideToUTF16(json_wide_cases[i].to_escape);
75 JsonDoubleQuote(in, false, &out);
76 EXPECT_EQ(std::string(json_wide_cases[i].escaped), out);
77 }
78
79 string16 in = WideToUTF16(json_wide_cases[0].to_escape);
80 std::string out;
81 JsonDoubleQuote(in, false, &out);
82
83 // test quoting
84 std::string out_quoted;
85 JsonDoubleQuote(in, true, &out_quoted);
86 EXPECT_EQ(out.length() + 2, out_quoted.length());
87 EXPECT_EQ(out_quoted.find(out), 1U);
88
89 // now try with a NULL in the string
90 string16 null_prepend = WideToUTF16(L"test");
91 null_prepend.push_back(0);
92 in = null_prepend + in;
93 std::string expected = "test\\u0000";
94 expected += json_wide_cases[0].escaped;
95 out.clear();
96 JsonDoubleQuote(in, false, &out);
97 EXPECT_EQ(expected, out);
98 }
99
100 } // namespace base
101