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73c4dd9253
MSVC provides a compiler declaration to declare that a function never returns. This declaration is required in front of the function definition rather than at the end, but fortunately gcc is compatible with this location as well. Explicit returns are no longer required after calls to test_die. Signed-off-by: Julio Espinoza-Sokal <julioes@gmail.com> Signed-off-by: Andreas Ericsson <ae@op5.se>
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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* This file 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,
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* as published by the Free Software Foundation.
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*
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* In addition to the permissions in the GNU General Public License,
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* the authors give you unlimited permission to link the compiled
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* version of this file into combinations with other programs,
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* and to distribute those combinations without any restriction
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* coming from the use of this file. (The General Public License
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* restrictions do apply in other respects; for example, they cover
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* modification of the file, and distribution when not linked into
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* a combined executable.)
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <git/common.h>
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/** Declare a function never returns to the caller. */
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#ifdef __GNUC__
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# define NORETURN __attribute__((__noreturn__))
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#elif defined(_MSC_VER)
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# define NORETURN __declspec(noreturn)
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#else
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# define NORETURN /* noreturn */
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#endif
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/**
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* Declares a new test block starting, with the specified name.
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* @param name C symbol to assign to this test's function.
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*/
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#define BEGIN_TEST(name) \
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void testfunc__##name (void) \
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{ \
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test_begin(#name, __FILE__, __LINE__); \
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{
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/** Denote the end of a test. */
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#define END_TEST \
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} \
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test_end(); \
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}
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/* These are internal functions for BEGIN_TEST, END_TEST. */
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extern void test_begin(const char *, const char *, int);
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extern void test_end(void);
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/**
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* Abort the current test suite.
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*
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* This function terminates the current test suite
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* and does not return to the caller.
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*
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* @param fmt printf style format string.
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*/
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extern void NORETURN test_die(const char *fmt, ...)
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GIT_FORMAT_PRINTF(1, 2);
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/**
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* Evaluate a library function which must return success.
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*
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* The definition of "success" is the classical 0 return value.
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* This macro makes the test suite fail if the expression evaluates
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* to a non-zero result. It is suitable for testing most API
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* functions in the library.
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*
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* @param expr the expression to evaluate, and test the result of.
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*/
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#define must_pass(expr) \
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if (expr) test_die("line %d: %s", __LINE__, #expr)
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/**
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* Evaluate a library function which must return an error.
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*
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* The definition of "failure" is the classical non-0 return value.
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* This macro makes the test suite fail if the expression evaluates
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* to 0 (aka success). It is suitable for testing most API
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* functions in the library.
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*
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* @param expr the expression to evaluate, and test the result of.
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*/
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#define must_fail(expr) \
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if (!(expr)) test_die("line %d: %s", __LINE__, #expr)
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/**
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* Evaluate an expression which must produce a true result.
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*
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* @param expr the expression to evaluate, and test the result of.
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*/
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#define must_be_true(expr) \
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if (!(expr)) test_die("line %d: %s", __LINE__, #expr)
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