114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/* 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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#include <errno.h>
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#include <gtest/gtest.h>
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#include <string.h>
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#include "m_string.h" // native_strcasecmp
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#include "my_base.h" // HA_ERR_KEY_NOT_FOUND
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#include "my_config.h"
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#include "my_sys.h" // my_strerror()
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namespace my_error_unittest {
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TEST(MyErrorTest, MyStrErrorSystem) {
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char buf[512];
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const char *msg;
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msg = my_strerror(buf, sizeof(buf) - 1, 9999);
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EXPECT_TRUE(!native_strcasecmp("unknown error", msg) ||
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!native_strcasecmp("unknown error: 9999", msg) ||
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!native_strcasecmp("unknown error 9999", msg))
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<< "msg<" << msg << ">";
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// try a proper error number
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msg = my_strerror(buf, sizeof(buf) - 1, EPERM);
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const char *os_msg = strerror(EPERM);
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EXPECT_STREQ(os_msg, msg) << "msg<" << msg << ">";
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}
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TEST(MyErrorTest, MyStrErrorHandlerPlugin) {
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char buf[512];
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const char *msg;
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// try a HA error number
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msg = my_strerror(buf, sizeof(buf) - 1, HA_ERR_KEY_NOT_FOUND);
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EXPECT_STREQ("Didn't find key on read or update", msg);
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}
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TEST(MyErrorTest, MyGetErrMsgUninitialized) {
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const char *msg;
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msg = my_get_err_msg(HA_ERR_KEY_NOT_FOUND);
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EXPECT_TRUE(msg == NULL);
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}
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const char *faux_errmsgs[] = {"alpha", "beta", NULL, "delta"};
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static const int faux_error_first = 8000;
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static const int faux_error_last = 8003;
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const char *get_faux_errmsg(int nr) {
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return faux_errmsgs[nr - faux_error_first];
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}
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TEST(MyErrorTest, MyGetErrMsgInitialized) {
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const char *msg;
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EXPECT_EQ(
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0, my_error_register(get_faux_errmsg, faux_error_first, faux_error_last));
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// flag error when trying to register overlapping area
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EXPECT_NE(0, my_error_register(get_faux_errmsg, faux_error_first + 2,
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faux_error_last + 2));
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msg = my_get_err_msg(faux_error_first);
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EXPECT_STREQ("alpha", msg);
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msg = my_get_err_msg(faux_error_first + 1);
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EXPECT_STREQ("beta", msg);
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// within range. gives NULL here. higher level function will
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// substitute a default string before printing.
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msg = my_get_err_msg(faux_error_first + 2);
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EXPECT_TRUE(msg == NULL);
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// out of range
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msg = my_get_err_msg(faux_error_first - 1);
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EXPECT_TRUE(msg == NULL);
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msg = my_get_err_msg(faux_error_last);
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EXPECT_STREQ("delta", msg);
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// out of range
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msg = my_get_err_msg(faux_error_last + 1);
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EXPECT_TRUE(msg == NULL);
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EXPECT_FALSE(my_error_unregister(faux_error_first, faux_error_last));
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// flag error when trying to unregister twice
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EXPECT_TRUE(my_error_unregister(faux_error_first, faux_error_last));
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}
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} // namespace my_error_unittest
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