/* * Copyright 2014-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef HEADER_TESTUTIL_H # define HEADER_TESTUTIL_H #include #include #include /*- * Simple unit tests should implement register_tests() from test_main.h * and link against test_main.c. * To register tests, call ADD_TEST or ADD_ALL_TESTS: * * #include "test_main.h" * * void register_tests(void) * { * ADD_TEST(test_foo); * ADD_ALL_TESTS(test_bar, num_test_bar); * } * * Tests that need to perform custom setup or read command-line arguments should * implement test_main() from test_main_custom.h and link against * test_main_custom.c: * * int test_main(int argc, char *argv[]) * { * int ret; * * // Custom setup ... * * ADD_TEST(test_foo); * ADD_ALL_TESTS(test_bar, num_test_bar); * // Add more tests ... * * ret = run_tests(argv[0]); * * // Custom teardown ... * * return ret; * } */ /* Adds a simple test case. */ # define ADD_TEST(test_function) add_test(#test_function, test_function) /* * Simple parameterized tests. Calls test_function(idx) for each 0 <= idx < num. */ # define ADD_ALL_TESTS(test_function, num) \ add_all_tests(#test_function, test_function, num) /*- * Test cases that share common setup should use the helper * SETUP_TEST_FIXTURE and EXECUTE_TEST macros for test case functions. * * SETUP_TEST_FIXTURE will call set_up() to create a new TEST_FIXTURE_TYPE * object called "fixture". It will also allocate the "result" variable used * by EXECUTE_TEST. set_up() should take a const char* specifying the test * case name and return a TEST_FIXTURE_TYPE by value. * * EXECUTE_TEST will pass fixture to execute_func() by value, call * tear_down(), and return the result of execute_func(). execute_func() should * take a TEST_FIXTURE_TYPE by value and return 1 on success and 0 on * failure. * * Unit tests can define their own SETUP_TEST_FIXTURE and EXECUTE_TEST * variations like so: * * #define SETUP_FOOBAR_TEST_FIXTURE()\ * SETUP_TEST_FIXTURE(FOOBAR_TEST_FIXTURE, set_up_foobar) * * #define EXECUTE_FOOBAR_TEST()\ * EXECUTE_TEST(execute_foobar, tear_down_foobar) * * Then test case functions can take the form: * * static int test_foobar_feature() * { * SETUP_FOOBAR_TEST_FIXTURE(); * [...set individual members of fixture...] * EXECUTE_FOOBAR_TEST(); * } */ # define SETUP_TEST_FIXTURE(TEST_FIXTURE_TYPE, set_up)\ TEST_FIXTURE_TYPE fixture = set_up(TEST_CASE_NAME); \ int result = 0 # define EXECUTE_TEST(execute_func, tear_down)\ result = execute_func(fixture);\ tear_down(fixture);\ return result /* Shorthand if tear_down does nothing. */ # define EXECUTE_TEST_NO_TEARDOWN(execute_func)\ result = execute_func(fixture);\ return result /* * TEST_CASE_NAME is defined as the name of the test case function where * possible; otherwise we get by with the file name and line number. */ # if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L # if defined(_MSC_VER) # define TEST_CASE_NAME __FUNCTION__ # else # define testutil_stringify_helper(s) #s # define testutil_stringify(s) testutil_stringify_helper(s) # define TEST_CASE_NAME __FILE__ ":" testutil_stringify(__LINE__) # endif /* _MSC_VER */ # else # define TEST_CASE_NAME __func__ # endif /* __STDC_VERSION__ */ /* * Internal helpers. Test programs shouldn't use these directly, but should * rather link to one of the helper main() methods. */ /* setup_test() should be called as the first thing in a test main(). */ void setup_test(void); /* * finish_test() should be called as the last thing in a test main(). * The result of run_tests() should be the input to finish_test(). */ __owur int finish_test(int ret); void add_test(const char *test_case_name, int (*test_fn) ()); void add_all_tests(const char *test_case_name, int (*test_fn)(int idx), int num); __owur int run_tests(const char *test_prog_name); /* * Test assumption verification helpers. */ # if defined(__GNUC__) #define PRINTF_FORMAT(a, b) __attribute__ ((format(printf, a, b))) # else #define PRINTF_FORMAT(a, b) #endif # define DECLARE_COMPARISON(type, name, opname) \ int test_ ## name ## _ ## opname(const char *, int, \ const char *, const char *, \ const type, const type); # define DECLARE_COMPARISONS(type, name) \ DECLARE_COMPARISON(type, name, eq) \ DECLARE_COMPARISON(type, name, ne) \ DECLARE_COMPARISON(type, name, lt) \ DECLARE_COMPARISON(type, name, le) \ DECLARE_COMPARISON(type, name, gt) \ DECLARE_COMPARISON(type, name, ge) DECLARE_COMPARISONS(int, int) DECLARE_COMPARISONS(unsigned int, uint) DECLARE_COMPARISONS(char, char) DECLARE_COMPARISONS(unsigned char, uchar) DECLARE_COMPARISONS(long, long) DECLARE_COMPARISONS(unsigned long, ulong) DECLARE_COMPARISONS(size_t, size_t) /* * Pointer comparisons against other pointers and null. * These functions return 1 if the test is true. * Otherwise, they return 0 and pretty-print diagnostics. * These should not be called directly, use the TEST_xxx macros below instead. */ DECLARE_COMPARISON(void *, ptr, eq) DECLARE_COMPARISON(void *, ptr, ne) int test_ptr(const char *file, int line, const char *s, const void *p); int test_ptr_null(const char *file, int line, const char *s, const void *p); /* * Equality tests for strings where NULL is a legitimate value. * These calls return 1 if the two passed strings compare true. * Otherwise, they return 0 and pretty-print diagnostics. * These should not be called directly, use the TEST_xxx macros below instead. */ DECLARE_COMPARISON(char *, str, eq) DECLARE_COMPARISON(char *, str, ne) /* * Equality test for memory blocks where NULL is a legitimate value. * These calls return 1 if the two memory blocks compare true. * Otherwise, they return 0 and pretty-print diagnostics. * These should not be called directly, use the TEST_xxx macros below instead. */ int test_mem_eq(const char *, int, const char *, const char *, const void *, size_t, const void *, size_t); int test_mem_ne(const char *, int, const char *, const char *, const void *, size_t, const void *, size_t); /* * Check a boolean result for being true or false. * They return 1 if the condition is true (i.e. the value is non-zro). * Otherwise, they return 0 and pretty-prints diagnostics using |desc|. * These should not be called directly, use the TEST_xxx macros below instead. */ int test_true(const char *file, int line, const char *s, int b); int test_false(const char *file, int line, const char *s, int b); /* * Pretty print a failure message. * These should not be called directly, use the TEST_xxx macros below instead. */ void test_error(const char *file, int line, const char *desc, ...) PRINTF_FORMAT(3, 4); void test_error_c90(const char *desc, ...) PRINTF_FORMAT(1, 2); void test_info(const char *file, int line, const char *desc, ...) PRINTF_FORMAT(3, 4); void test_info_c90(const char *desc, ...) PRINTF_FORMAT(1, 2); /* * The following macros provide wrapper calls to the test functions with * a default description that indicates the file and line number of the error. * * The following macros guarantee to evaluate each argument exactly once. * This allows constructs such as: if(!TEST_ptr(ptr = OPENSSL_malloc(..))) * to produce better contextual output than: * ptr = OPENSSL_malloc(..); * if (!TEST_ptr(ptr)) */ # define TEST_int_eq(a, b) test_int_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_ne(a, b) test_int_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_lt(a, b) test_int_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_le(a, b) test_int_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_gt(a, b) test_int_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_ge(a, b) test_int_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_eq(a, b) test_int_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_ne(a, b) test_int_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_lt(a, b) test_int_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_le(a, b) test_int_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_gt(a, b) test_int_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_int_ge(a, b) test_int_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uint_eq(a, b) test_uint_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uint_ne(a, b) test_uint_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uint_lt(a, b) test_uint_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uint_le(a, b) test_uint_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uint_gt(a, b) test_uint_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uint_ge(a, b) test_uint_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_char_eq(a, b) test_char_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_char_ne(a, b) test_char_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_char_lt(a, b) test_char_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_char_le(a, b) test_char_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_char_gt(a, b) test_char_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_char_ge(a, b) test_char_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uchar_eq(a, b) test_uchar_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uchar_ne(a, b) test_uchar_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uchar_lt(a, b) test_uchar_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uchar_le(a, b) test_uchar_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uchar_gt(a, b) test_uchar_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_uchar_ge(a, b) test_uchar_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_long_eq(a, b) test_long_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_long_ne(a, b) test_long_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_long_lt(a, b) test_long_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_long_le(a, b) test_long_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_long_gt(a, b) test_long_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_long_ge(a, b) test_long_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ulong_eq(a, b) test_ulong_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ulong_ne(a, b) test_ulong_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ulong_lt(a, b) test_ulong_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ulong_le(a, b) test_ulong_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ulong_gt(a, b) test_ulong_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ulong_ge(a, b) test_ulong_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_size_t_eq(a, b) test_size_t_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_size_t_ne(a, b) test_size_t_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_size_t_lt(a, b) test_size_t_lt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_size_t_le(a, b) test_size_t_le(__FILE__, __LINE__, #a, #b, a, b) # define TEST_size_t_gt(a, b) test_size_t_gt(__FILE__, __LINE__, #a, #b, a, b) # define TEST_size_t_ge(a, b) test_size_t_ge(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ptr_eq(a, b) test_ptr_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ptr_ne(a, b) test_ptr_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_ptr(a) test_ptr(__FILE__, __LINE__, #a, a) # define TEST_ptr_null(a) test_ptr_null(__FILE__, __LINE__, #a, a) # define TEST_str_eq(a, b) test_str_eq(__FILE__, __LINE__, #a, #b, a, b) # define TEST_str_ne(a, b) test_str_ne(__FILE__, __LINE__, #a, #b, a, b) # define TEST_mem_eq(a, m, b, n) test_mem_eq(__FILE__, __LINE__, #a, #b, a, m, b, n) # define TEST_mem_ne(a, m, b, n) test_mem_ne(__FILE__, __LINE__, #a, #b, a, m, b, n) # define TEST_true(a) test_true(__FILE__, __LINE__, #a, (a) != 0) # define TEST_false(a) test_false(__FILE__, __LINE__, #a, (a) != 0) /* * TEST_error(desc, ...) prints an informative error message in the standard * format. |desc| is a printf format string. */ # if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L # define TEST_error test_error_c90 # define TEST_info test_info_c90 # else # define TEST_error(...) test_error(__FILE__, __LINE__, __VA_ARGS__) # define TEST_info(...) test_info(__FILE__, __LINE__, __VA_ARGS__) # endif /* * For "impossible" conditions such as malloc failures or bugs in test code, * where continuing the test would be meaningless. Note that OPENSSL_assert * is fatal, and is never compiled out. */ # define TEST_check(condition) \ do { \ if (!(condition)) { \ ERR_print_errors_fp(stderr); \ OPENSSL_assert(!#condition); \ } \ } while (0) #endif /* HEADER_TESTUTIL_H */