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62 lines
2.2 KiB
62 lines
2.2 KiB
5 months ago
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/* Copyright (c) 2012, 2017, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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extern CHARSET_INFO *system_charset_info;
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TEST(StringTest, EmptyString) {
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String s;
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const uint32 len = 0;
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EXPECT_EQ(len, s.length());
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EXPECT_EQ(len, s.alloced_length());
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}
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TEST(StringTest, ShrinkString) {
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const uint32 len = 3;
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char foo[len] = {'a', 'b', 0};
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String foos(foo, len, &my_charset_bin);
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foos.shrink(1);
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EXPECT_EQ(len, foos.length());
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EXPECT_STREQ("ab", foo);
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}
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TEST(StringDeathTest, AppendEmptyString) {
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::testing::FLAGS_gtest_death_test_style = "threadsafe";
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String tbl_name;
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const char db_name[] = "aaaaaaa";
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const char table_name[] = "";
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tbl_name.append(String(db_name, system_charset_info));
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tbl_name.append('.');
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tbl_name.append(String(table_name, system_charset_info));
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// We now have eight characters, c_ptr() is not safe.
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#ifndef DBUG_OFF
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EXPECT_DEATH_IF_SUPPORTED(tbl_name.c_ptr(), ".*m_alloced_length >= .*");
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#endif
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EXPECT_STREQ("aaaaaaa.", tbl_name.c_ptr_safe());
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}
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TEST(StringTest, StringBuffer) {
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StringBuffer<3> sb("abc", 3, &my_charset_bin);
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sb.append("def");
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EXPECT_STREQ("abcdef", sb.c_ptr());
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EXPECT_EQ(6u, sb.length());
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}
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