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