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95 lines
3.1 KiB
95 lines
3.1 KiB
/* Copyright (c) 2018, 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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#include <gtest/gtest.h>
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#include <string>
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#include <limits.h>
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#include "m_string.h"
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namespace m_string_unittest {
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TEST(MString, HumanReadableSize) {
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char data_size_str[32];
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double data_size = 1.0;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1", data_size_str);
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data_size = 1024.0;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1024", data_size_str);
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data_size = 1024.1;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1K", data_size_str);
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data_size = 1025.0;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1K", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1M", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1G", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1T", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1P", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1E", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1Z", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1Y", data_size_str);
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data_size *= 1024;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1025Y", data_size_str);
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data_size *= 1000;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1025000Y", data_size_str);
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data_size *= 1000;
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("1025000000Y", data_size_str);
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data_size *= std::numeric_limits<unsigned long long>::max();
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human_readable_num_bytes(data_size_str, 32, data_size);
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EXPECT_STREQ("+INF", data_size_str);
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}
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} // namespace m_string_unittest
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