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/* Copyright (c) 2013, 2023, Oracle and/or its affiliates. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2.0, as published by the Free Software Foundation. This program is also distributed with certain software (including but not limited to OpenSSL) that is licensed under separate terms, as designated in a particular file or component or in included license documentation. The authors of MySQL hereby grant you an additional permission to link the program and your derivative works with the separately licensed software that they have included with MySQL. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include "my_config.h" #include <gtest/gtest.h> #include <m_ctype.h> #include <sql_class.h> namespace strings_utf8_unittest { class StringsUTF8Test : public ::testing::Test { protected: virtual void SetUp() { // Save global settings. m_charset= system_charset_info; system_charset_info= &my_charset_utf8_bin; } virtual void TearDown() { // Restore global settings. system_charset_info= m_charset; } private: CHARSET_INFO *m_charset; }; TEST_F(StringsUTF8Test, MyStrchr) { const char* null_pos= NULL; char* pos; char valid_utf8_string[]= "str1"; /* All valid utf8 characters in str arg passed to my_strchr and char to be found not in str. */ pos= my_strchr(system_charset_info, valid_utf8_string, valid_utf8_string + 3, 't'); EXPECT_EQ(valid_utf8_string + 1, pos); /* All valid utf8 characters in str arg passed to my_strchr and char to be found not in str. */ pos= my_strchr(system_charset_info, valid_utf8_string, valid_utf8_string + 3, 'd'); ASSERT_EQ(null_pos, pos); // Assign an invalid utf8 char to valid_utf8_str valid_utf8_string[0]= '\xff'; // Invalid utf8 character in str arg passed to my_strchr. pos= my_strchr(system_charset_info, valid_utf8_string, valid_utf8_string + 3,'y'); ASSERT_EQ(null_pos, pos); } TEST_F(StringsUTF8Test, MyStrcasecmpMb) { std::string utf8_src= "str"; std::string utf8_dst= "str"; EXPECT_EQ(0, my_strcasecmp_mb(system_charset_info, utf8_src.c_str(), utf8_dst.c_str())); utf8_dst[1]= 'd'; // src and dst are different utf8 strings EXPECT_EQ(1, my_strcasecmp_mb(system_charset_info, utf8_src.c_str(), utf8_dst.c_str())); // dst contain an invalid utf8 string utf8_dst[1]= '\xFF'; EXPECT_EQ(1, my_strcasecmp_mb(system_charset_info, utf8_src.c_str(), utf8_dst.c_str())); } TEST_F(StringsUTF8Test, MyWellFormedLenUtf8) { char utf8_src[32]= "\x00\x7f\xc2\x80\xdf\xbf\xe0\xa0\x80\xef\xbf\xbf"; int error; /* valid utf8 charaters, testing for boundry values */ EXPECT_EQ(12U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 12, 6, &error)); ASSERT_EQ(0, error); /* test for 0 length string */ EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src, 6, &error)); ASSERT_EQ(0, error); /* test for illegal utf8 char */ utf8_src[0]= '\xc1'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 1, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xdf'; utf8_src[1]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 2, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xe0'; utf8_src[1]= '\xbf'; utf8_src[2]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 3, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xe0'; utf8_src[1]= '\x80'; utf8_src[2]= '\x80'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 3, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xf0'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 1, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xc2'; utf8_src[1]= '\x80'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 1, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xef'; utf8_src[1]= '\xbf'; utf8_src[2]= '\xbf'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 2, 1, &error)); ASSERT_EQ(1, error); } TEST_F(StringsUTF8Test, MyIsmbcharUtf8) { char utf8_src[8] = { 0 }; /* valid utf8 charaters, testing for boundry values */ utf8_src[0]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 1)); utf8_src[0]= '\x7f'; EXPECT_EQ(0U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 1)); utf8_src[0]= '\xc2'; utf8_src[1]= '\x80'; EXPECT_EQ(2U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 2)); utf8_src[0]= '\xdf'; utf8_src[1]= '\xbf'; EXPECT_EQ(2U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 2)); utf8_src[0]= '\xe0'; utf8_src[1]= '\xa0'; utf8_src[2]= '\x80'; EXPECT_EQ(3U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 3)); utf8_src[0]= '\xef'; utf8_src[1]= '\xbf'; utf8_src[2]= '\xbf'; EXPECT_EQ(3U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 3)); /* Not testing for illegal charaters as same is tested in above test case */ } class StringsUTF8mb4Test : public ::testing::Test { protected: virtual void SetUp() { // Save global settings. m_charset= system_charset_info; system_charset_info= &my_charset_utf8mb4_bin; } virtual void TearDown() { // Restore global settings. system_charset_info= m_charset; } private: CHARSET_INFO *m_charset; }; TEST_F(StringsUTF8mb4Test, MyWellFormedLenUtf8mb4) { char utf8_src[32]= "\x00\x7f\xc2\x80\xdf\xbf\xe0\xa0\x80\xef\xbf\xbf" "\xf0\x90\x80\x80\xF4\x8F\xBF\xBF"; int error; /* valid utf8mb4 charaters, testing for boundry values */ EXPECT_EQ(20U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 20, 8, &error)); ASSERT_EQ(0, error); /* test for 0 length string */ EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src, 8, &error)); ASSERT_EQ(0, error); /* test for illegal utf8mb4 char */ utf8_src[0]= '\xc1'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 1, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xdf'; utf8_src[1]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 2, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xe0'; utf8_src[1]= '\xbf'; utf8_src[2]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 3, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xe0'; utf8_src[1]= '\x80'; utf8_src[2]= '\x80'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 3, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xe0'; utf8_src[1]= '\xbf'; utf8_src[2]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 3, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xf0'; utf8_src[1]= '\x80'; utf8_src[2]= '\x80'; utf8_src[3]= '\x80'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 4, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xf4'; utf8_src[1]= '\x9f'; utf8_src[2]= '\x80'; utf8_src[3]= '\x80'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 4, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xf0'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 1, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xc2'; utf8_src[1]= '\x80'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 1, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xef'; utf8_src[1]= '\xbf'; utf8_src[2]= '\xbf'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 2, 1, &error)); ASSERT_EQ(1, error); utf8_src[0]= '\xf4'; utf8_src[1]= '\x8f'; utf8_src[2]= '\xbf'; utf8_src[3]= '\xbf'; EXPECT_EQ(0U, system_charset_info->cset->well_formed_len(system_charset_info, utf8_src, utf8_src + 2, 1, &error)); ASSERT_EQ(1, error); } TEST_F(StringsUTF8mb4Test, MyIsmbcharUtf8mb4) { char utf8_src[8] = { 0 }; /* valid utf8mb4 charaters, testing for boundry values */ utf8_src[0]= '\x00'; EXPECT_EQ(0U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src,utf8_src + 1)); utf8_src[0]= '\x7f'; EXPECT_EQ(0U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 1)); utf8_src[0]= '\xc2'; utf8_src[1]= '\x80'; EXPECT_EQ(2U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 2)); utf8_src[0]= '\xdf'; utf8_src[1]= '\xbf'; EXPECT_EQ(2U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 2)); utf8_src[0]= '\xe0'; utf8_src[1]= '\xa0'; utf8_src[2]= '\x80'; EXPECT_EQ(3U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 3)); utf8_src[0]= '\xef'; utf8_src[1]= '\xbf'; utf8_src[2]= '\xbf'; EXPECT_EQ(3U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 3)); utf8_src[0]= '\xf0'; utf8_src[1]= '\x90'; utf8_src[2]= '\x80'; utf8_src[3]= '\x80'; EXPECT_EQ(4U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 4)); utf8_src[0]= '\xf4'; utf8_src[1]= '\x8f'; utf8_src[2]= '\xbf'; utf8_src[3]= '\xbf'; EXPECT_EQ(4U, system_charset_info->cset->ismbchar(system_charset_info, utf8_src, utf8_src + 4)); /* Not testing for illegal charaters as same is tested in above test case */ } }