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+/* Copyright (C) 2006 MySQL AB
+
+ 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 Street, Fifth Floor, Boston,
+ MA 02111-1301, USA
+
+ Library for providing TAP support for testing C and C++ was written
+ by Mats Kindahl <mats@mysql.com>.
+*/
+
+#ifndef TAP_H
+#define TAP_H
+
+#include "ma_global.h"
+
+/*
+ @defgroup MyTAP MySQL support for performing unit tests according to
+ the Test Anything Protocol (TAP).
+*/
+
+#define NO_PLAN (0)
+
+/**
+ Data about test plan.
+
+ @ingroup MyTAP_Internal
+
+ @internal We are using the "typedef struct X { ... } X" idiom to
+ create class/struct X both in C and C++.
+ */
+
+typedef struct TEST_DATA {
+ /**
+ Number of tests that is planned to execute.
+
+ Can be zero (<code>NO_PLAN</code>) meaning that the plan string
+ will be printed at the end of test instead.
+ */
+ int plan;
+
+ /** Number of last test that was done or skipped. */
+ int last;
+
+ /** Number of tests that failed. */
+ int failed;
+
+ /** Todo reason. */
+ char todo[128];
+} TEST_DATA;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ Defines whether "big" tests should be skipped.
+
+ This variable is set by plan() function unless MYTAP_CONFIG environment
+ variable is set to the string "big". It is supposed to be used as
+
+ @code
+ if (skip_big_tests) {
+ skip(1, "Big test skipped");
+ } else {
+ ok(life_universe_and_everything() == 42, "The answer is CORRECT");
+ }
+ @endcode
+
+ @see SKIP_BIG_TESTS
+*/
+extern int skip_big_tests;
+
+/**
+ @defgroup MyTAP_API MyTAP API
+
+ MySQL support for performing unit tests according to TAP.
+
+ @{
+*/
+
+/**
+ Set number of tests that is planned to execute.
+
+ The function also accepts the predefined constant
+ <code>NO_PLAN</code>. If the function is not called, it is as if
+ it was called with <code>NO_PLAN</code>, i.e., the test plan will
+ be printed after all the test lines.
+
+ The plan() function will install signal handlers for all signals
+ that generate a core, so if you want to override these signals, do
+ it <em>after</em> you have called the plan() function.
+
+ It will also set skip_big_tests variable if MYTAP_CONFIG environment
+ variable is defined.
+
+ @see skip_big_tests
+
+ @param count The planned number of tests to run.
+*/
+
+void plan(int const count);
+
+
+/**
+ Report test result as a TAP line.
+
+ Function used to write status of an individual test. Call this
+ function in the following manner:
+
+ @code
+ ok(ducks == paddling,
+ "%d ducks did not paddle", ducks - paddling);
+ @endcode
+
+ @param pass Zero if the test failed, non-zero if it passed.
+ @param fmt Format string in printf() format. NULL is allowed, in
+ which case nothing is printed.
+*/
+
+void ok(int const pass, char const *fmt, ...)
+ __attribute__((format(printf,2,3)));
+
+
+/**
+ Skip a determined number of tests.
+
+ Function to print that <em>how_many</em> tests have been skipped.
+ The reason is printed for each skipped test. Observe that this
+ function does not do the actual skipping for you, it just prints
+ information that tests have been skipped. This function is not
+ usually used, but rather the macro @c SKIP_BLOCK_IF, which does the
+ skipping for you.
+
+ It shall be used in the following manner:
+
+ @code
+ if (ducks == 0) {
+ skip(2, "No ducks in the pond");
+ } else {
+ int i;
+ for (i = 0 ; i < 2 ; ++i)
+ ok(duck[i] == paddling, "is duck %d paddling?", i);
+ }
+ @endcode
+
+ @see SKIP_BLOCK_IF
+
+ @param how_many Number of tests that are to be skipped.
+ @param reason A reason for skipping the tests
+ */
+
+void skip(int how_many, char const *const reason, ...)
+ __attribute__((format(printf,2,3)));
+
+
+/**
+ Helper macro to skip a block of code. The macro can be used to
+ simplify conditionally skipping a block of code. It is used in the
+ following manner:
+
+ @code
+ SKIP_BLOCK_IF(ducks == 0, 2, "No ducks in the pond")
+ {
+ int i;
+ for (i = 0 ; i < 2 ; ++i)
+ ok(duck[i] == paddling, "is duck %d paddling?", i);
+ }
+ @endcode
+
+ @see skip
+ */
+
+#define SKIP_BLOCK_IF(SKIP_IF_TRUE, COUNT, REASON) \
+ if (SKIP_IF_TRUE) skip((COUNT),(REASON)); else
+
+
+/**
+ Helper macro to skip a group of "big" tests. It is used in the following
+ manner:
+
+ @code
+ SKIP_BIG_TESTS(1)
+ {
+ ok(life_universe_and_everything() == 42, "The answer is CORRECT");
+ }
+ @endcode
+
+ @see skip_big_tests
+ */
+
+#define SKIP_BIG_TESTS(COUNT) \
+ if (skip_big_tests) skip((COUNT), "big test"); else
+
+
+/**
+ Print a diagnostics message.
+
+ @param fmt Diagnostics message in printf() format.
+ */
+
+void diag(char const *fmt, ...)
+ __attribute__((format(printf,1,2)));
+
+
+/**
+ Print a bail out message.
+
+ A bail out message can be issued when no further testing can be
+ done, e.g., when there are missing dependencies.
+
+ The test will exit with status 255. This function does not return.
+
+ @code
+ BAIL_OUT("Lost connection to server %s", server_name);
+ @endcode
+
+ @note A bail out message is printed if a signal that generates a
+ core is raised.
+
+ @param fmt Bail out message in printf() format.
+*/
+
+void BAIL_OUT(char const *fmt, ...)
+ __attribute__((noreturn, format(printf,1,2)));
+
+
+/**
+ Print summary report and return exit status.
+
+ This function will print a summary report of how many tests passed,
+ how many were skipped, and how many remains to do. The function
+ should be called after all tests are executed in the following
+ manner:
+
+ @code
+ return exit_status();
+ @endcode
+
+ @returns @c EXIT_SUCCESS if all tests passed, @c EXIT_FAILURE if
+ one or more tests failed.
+ */
+
+int exit_status(void);
+
+
+/**
+ Skip entire test suite.
+
+ To skip the entire test suite, use this function. It will
+ automatically call exit(), so there is no need to have checks
+ around it.
+ */
+
+void skip_all(char const *reason, ...)
+ __attribute__((noreturn, format(printf, 1, 2)));
+
+
+/**
+ Start section of tests that are not yet ready.
+
+ To start a section of tests that are not ready and are expected to
+ fail, use this function and todo_end() in the following manner:
+
+ @code
+ todo_start("Not ready yet");
+ ok(is_rocketeering(duck), "Rocket-propelled ducks");
+ ok(is_kamikaze(duck), "Kamikaze ducks");
+ todo_end();
+ @endcode
+
+ @see todo_end
+
+ @note
+ It is not possible to nest todo sections.
+
+ @param message Message that will be printed before the todo tests.
+*/
+
+void todo_start(char const *message, ...)
+ __attribute__((format(printf, 1, 2)));
+
+
+/**
+ End a section of tests that are not yet ready.
+*/
+
+void todo_end();
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* TAP_H */