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string-tests.cc
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58 lines (47 loc) · 1.74 KB
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/* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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 */
/*
Common tests for client/sql_string and sql/sql_string.
TODO: Why do we have two versions of String?
*/
CHARSET_INFO *system_charset_info= NULL;
TEST(StringTest, EmptyString)
{
String s;
const uint32 len= 0;
EXPECT_EQ(len, s.length());
EXPECT_EQ(len, s.alloced_length());
}
TEST(StringTest, ShrinkString)
{
const uint32 len= 3;
char foo[len]= {'a', 'b', 0};
String foos(foo, len, &my_charset_bin);
foos.shrink(1);
EXPECT_EQ(len, foos.length());
EXPECT_STREQ("ab", foo);
}
TEST(StringDeathTest, AppendEmptyString)
{
::testing::FLAGS_gtest_death_test_style = "threadsafe";
String tbl_name;
const char db_name[]= "aaaaaaa";
const char table_name[]= "";
tbl_name.append(String(db_name, system_charset_info));
tbl_name.append('.');
tbl_name.append(String(table_name, system_charset_info));
// We now have eight characters, c_ptr() is not safe.
#ifndef DBUG_OFF
EXPECT_DEATH_IF_SUPPORTED(tbl_name.c_ptr(), ".*Alloced_length >= .*");
#endif
EXPECT_STREQ("aaaaaaa.", tbl_name.c_ptr_safe());
}