utf8_unittest.cc (5655B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "gtest/gtest.h" 8 9 #include "nss.h" 10 #include "base.h" 11 #include "secerr.h" 12 13 namespace nss_test { 14 15 class Utf8Test : public ::testing::Test {}; 16 17 // Tests nssUTF8_Length rejects overlong forms, surrogates, etc. 18 TEST_F(Utf8Test, Utf8Length) { 19 PRStatus status; 20 21 EXPECT_EQ(0u, nssUTF8_Length("", &status)); 22 EXPECT_EQ(PR_SUCCESS, status); 23 24 // U+0000..U+007F 25 EXPECT_EQ(1u, nssUTF8_Length("\x01", &status)); 26 EXPECT_EQ(PR_SUCCESS, status); 27 EXPECT_EQ(1u, nssUTF8_Length("\x7F", &status)); 28 EXPECT_EQ(PR_SUCCESS, status); 29 30 // lone trailing byte 31 EXPECT_EQ(0u, nssUTF8_Length("\x80", &status)); 32 EXPECT_EQ(PR_FAILURE, status); 33 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 34 EXPECT_EQ(0u, nssUTF8_Length("\xBF", &status)); 35 EXPECT_EQ(PR_FAILURE, status); 36 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 37 38 // overlong U+0000..U+007F 39 EXPECT_EQ(0u, nssUTF8_Length("\xC0\x80", &status)); 40 EXPECT_EQ(PR_FAILURE, status); 41 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 42 EXPECT_EQ(0u, nssUTF8_Length("\xC1\xBF", &status)); 43 EXPECT_EQ(PR_FAILURE, status); 44 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 45 46 // U+0080..U+07FF 47 EXPECT_EQ(2u, nssUTF8_Length("\xC2\x80", &status)); 48 EXPECT_EQ(PR_SUCCESS, status); 49 EXPECT_EQ(2u, nssUTF8_Length("\xDF\xBF", &status)); 50 EXPECT_EQ(PR_SUCCESS, status); 51 52 // overlong U+0000..U+07FF 53 EXPECT_EQ(0u, nssUTF8_Length("\xE0\x80\x80", &status)); 54 EXPECT_EQ(PR_FAILURE, status); 55 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 56 EXPECT_EQ(0u, nssUTF8_Length("\xE0\x9F\xBF", &status)); 57 EXPECT_EQ(PR_FAILURE, status); 58 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 59 60 // U+0800..U+D7FF 61 EXPECT_EQ(3u, nssUTF8_Length("\xE0\xA0\x80", &status)); 62 EXPECT_EQ(PR_SUCCESS, status); 63 EXPECT_EQ(3u, nssUTF8_Length("\xE0\xBF\xBF", &status)); 64 EXPECT_EQ(PR_SUCCESS, status); 65 EXPECT_EQ(3u, nssUTF8_Length("\xE1\x80\x80", &status)); 66 EXPECT_EQ(PR_SUCCESS, status); 67 EXPECT_EQ(3u, nssUTF8_Length("\xEC\xBF\xBF", &status)); 68 EXPECT_EQ(PR_SUCCESS, status); 69 EXPECT_EQ(3u, nssUTF8_Length("\xED\x80\x80", &status)); 70 EXPECT_EQ(PR_SUCCESS, status); 71 EXPECT_EQ(3u, nssUTF8_Length("\xED\x9F\xBF", &status)); 72 EXPECT_EQ(PR_SUCCESS, status); 73 74 // lone surrogate 75 EXPECT_EQ(0u, nssUTF8_Length("\xED\xA0\x80", &status)); 76 EXPECT_EQ(PR_FAILURE, status); 77 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 78 EXPECT_EQ(0u, nssUTF8_Length("\xED\xBF\xBF", &status)); 79 EXPECT_EQ(PR_FAILURE, status); 80 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 81 82 // U+E000..U+FFFF 83 EXPECT_EQ(3u, nssUTF8_Length("\xEE\x80\x80", &status)); 84 EXPECT_EQ(PR_SUCCESS, status); 85 EXPECT_EQ(3u, nssUTF8_Length("\xEF\xBF\xBF", &status)); 86 EXPECT_EQ(PR_SUCCESS, status); 87 88 // overlong U+0000..U+FFFF 89 EXPECT_EQ(0u, nssUTF8_Length("\xF0\x80\x80\x80", &status)); 90 EXPECT_EQ(PR_FAILURE, status); 91 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 92 EXPECT_EQ(0u, nssUTF8_Length("\xF0\x8F\xBF\xBF", &status)); 93 EXPECT_EQ(PR_FAILURE, status); 94 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 95 96 // U+10000..U+10FFFF 97 EXPECT_EQ(4u, nssUTF8_Length("\xF0\x90\x80\x80", &status)); 98 EXPECT_EQ(PR_SUCCESS, status); 99 EXPECT_EQ(4u, nssUTF8_Length("\xF0\xBF\xBF\xBF", &status)); 100 EXPECT_EQ(PR_SUCCESS, status); 101 EXPECT_EQ(4u, nssUTF8_Length("\xF1\x80\x80\x80", &status)); 102 EXPECT_EQ(PR_SUCCESS, status); 103 EXPECT_EQ(4u, nssUTF8_Length("\xF3\xBF\xBF\xBF", &status)); 104 EXPECT_EQ(PR_SUCCESS, status); 105 EXPECT_EQ(4u, nssUTF8_Length("\xF4\x80\x80\x80", &status)); 106 EXPECT_EQ(PR_SUCCESS, status); 107 EXPECT_EQ(4u, nssUTF8_Length("\xF4\x8F\xBF\xBF", &status)); 108 EXPECT_EQ(PR_SUCCESS, status); 109 110 // out of Unicode range 111 EXPECT_EQ(0u, nssUTF8_Length("\xF4\x90\x80\x80", &status)); 112 EXPECT_EQ(PR_FAILURE, status); 113 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 114 EXPECT_EQ(0u, nssUTF8_Length("\xF4\xBF\xBF\xBF", &status)); 115 EXPECT_EQ(PR_FAILURE, status); 116 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 117 EXPECT_EQ(0u, nssUTF8_Length("\xF5\x80\x80\x80", &status)); 118 EXPECT_EQ(PR_FAILURE, status); 119 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 120 EXPECT_EQ(0u, nssUTF8_Length("\xF7\xBF\xBF\xBF", &status)); 121 EXPECT_EQ(PR_FAILURE, status); 122 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 123 124 // former 5-byte sequence 125 EXPECT_EQ(0u, nssUTF8_Length("\xF8\x80\x80\x80\x80", &status)); 126 EXPECT_EQ(PR_FAILURE, status); 127 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 128 EXPECT_EQ(0u, nssUTF8_Length("\xFB\xBF\xBF\xBF\xBF", &status)); 129 EXPECT_EQ(PR_FAILURE, status); 130 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 131 132 // former 6-byte sequence 133 EXPECT_EQ(0u, nssUTF8_Length("\xFC\x80\x80\x80\x80\x80", &status)); 134 EXPECT_EQ(PR_FAILURE, status); 135 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 136 EXPECT_EQ(0u, nssUTF8_Length("\xFD\xBF\xBF\xBF\xBF\xBF", &status)); 137 EXPECT_EQ(PR_FAILURE, status); 138 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 139 140 // invalid lead byte 141 EXPECT_EQ(0u, nssUTF8_Length("\xFE", &status)); 142 EXPECT_EQ(PR_FAILURE, status); 143 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 144 EXPECT_EQ(0u, nssUTF8_Length("\xFF", &status)); 145 EXPECT_EQ(PR_FAILURE, status); 146 EXPECT_EQ(NSS_ERROR_INVALID_STRING, NSS_GetError()); 147 148 nss_DestroyErrorStack(); 149 } 150 } // namespace nss_test