thodg/libgit2/tests/core/assert.c
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Hash : cbae1c21
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Date : 2020-04-01T22:12:07
assert: allow non-int returning functions to assert Include GIT_ASSERT_WITH_RETVAL and GIT_ASSERT_ARG_WITH_RETVAL so that functions that do not return int (or more precisely, where `-1` would not be an error code) can assert. This allows functions that return, eg, NULL on an error code to do that by passing the return value (in this example, `NULL`) as a second parameter to the GIT_ASSERT_WITH_RETVAL functions.
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tests/core/assert.c
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#ifdef GIT_ASSERT_HARD # undef GIT_ASSERT_HARD #endif #define GIT_ASSERT_HARD 0 #include "clar_libgit2.h" static const char *hello_world = "hello, world"; static const char *fail = "FAIL"; static int dummy_fn(const char *myarg) { GIT_ASSERT_ARG(myarg); GIT_ASSERT_ARG(myarg != hello_world); return 0; } static const char *fn_returns_string(const char *myarg) { GIT_ASSERT_ARG_WITH_RETVAL(myarg, fail); GIT_ASSERT_ARG_WITH_RETVAL(myarg != hello_world, fail); return myarg; } static int bad_math(void) { GIT_ASSERT(1 + 1 == 3); return 42; } static const char *bad_returns_string(void) { GIT_ASSERT_WITH_RETVAL(1 + 1 == 3, NULL); return hello_world; } void test_core_assert__argument(void) { cl_git_fail(dummy_fn(NULL)); cl_assert(git_error_last()); cl_assert_equal_i(GIT_ERROR_INVALID, git_error_last()->klass); cl_assert_equal_s("invalid argument: 'myarg'", git_error_last()->message); cl_git_fail(dummy_fn(hello_world)); cl_assert(git_error_last()); cl_assert_equal_i(GIT_ERROR_INVALID, git_error_last()->klass); cl_assert_equal_s("invalid argument: 'myarg != hello_world'", git_error_last()->message); cl_git_pass(dummy_fn("foo")); } void test_core_assert__argument_with_non_int_return_type(void) { const char *foo = "foo"; cl_assert_equal_p(fail, fn_returns_string(NULL)); cl_assert_equal_i(GIT_ERROR_INVALID, git_error_last()->klass); cl_assert_equal_s("invalid argument: 'myarg'", git_error_last()->message); cl_assert_equal_p(fail, fn_returns_string(hello_world)); cl_assert_equal_i(GIT_ERROR_INVALID, git_error_last()->klass); cl_assert_equal_s("invalid argument: 'myarg != hello_world'", git_error_last()->message); cl_assert_equal_p(foo, fn_returns_string(foo)); } void test_core_assert__argument_with_void_return_type(void) { const char *foo = "foo"; git_error_clear(); fn_returns_string(hello_world); cl_assert_equal_i(GIT_ERROR_INVALID, git_error_last()->klass); cl_assert_equal_s("invalid argument: 'myarg != hello_world'", git_error_last()->message); git_error_clear(); cl_assert_equal_p(foo, fn_returns_string(foo)); cl_assert_equal_p(NULL, git_error_last()); } void test_core_assert__internal(void) { cl_git_fail(bad_math()); cl_assert(git_error_last()); cl_assert_equal_i(GIT_ERROR_INTERNAL, git_error_last()->klass); cl_assert_equal_s("unrecoverable internal error: '1 + 1 == 3'", git_error_last()->message); cl_assert_equal_p(NULL, bad_returns_string()); cl_assert(git_error_last()); cl_assert_equal_i(GIT_ERROR_INTERNAL, git_error_last()->klass); cl_assert_equal_s("unrecoverable internal error: '1 + 1 == 3'", git_error_last()->message); }