diff options
Diffstat (limited to 'tests/util/errors.c')
| -rw-r--r-- | tests/util/errors.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/tests/util/errors.c b/tests/util/errors.c new file mode 100644 index 0000000..78654a7 --- /dev/null +++ b/tests/util/errors.c @@ -0,0 +1,222 @@ +#include "clar_libgit2.h" + +void test_errors__public_api(void) +{ + char *str_in_error; + + git_error_clear(); + cl_assert(git_error_last() == NULL); + + git_error_set_oom(); + + cl_assert(git_error_last() != NULL); + cl_assert(git_error_last()->klass == GIT_ERROR_NOMEMORY); + str_in_error = strstr(git_error_last()->message, "memory"); + cl_assert(str_in_error != NULL); + + git_error_clear(); + + git_error_set_str(GIT_ERROR_REPOSITORY, "This is a test"); + + cl_assert(git_error_last() != NULL); + str_in_error = strstr(git_error_last()->message, "This is a test"); + cl_assert(str_in_error != NULL); + + git_error_clear(); + cl_assert(git_error_last() == NULL); +} + +#include "common.h" +#include "util.h" +#include "posix.h" + +void test_errors__new_school(void) +{ + char *str_in_error; + + git_error_clear(); + cl_assert(git_error_last() == NULL); + + git_error_set_oom(); /* internal fn */ + + cl_assert(git_error_last() != NULL); + cl_assert(git_error_last()->klass == GIT_ERROR_NOMEMORY); + str_in_error = strstr(git_error_last()->message, "memory"); + cl_assert(str_in_error != NULL); + + git_error_clear(); + + git_error_set(GIT_ERROR_REPOSITORY, "This is a test"); /* internal fn */ + + cl_assert(git_error_last() != NULL); + str_in_error = strstr(git_error_last()->message, "This is a test"); + cl_assert(str_in_error != NULL); + + git_error_clear(); + cl_assert(git_error_last() == NULL); + + do { + struct stat st; + memset(&st, 0, sizeof(st)); + cl_assert(p_lstat("this_file_does_not_exist", &st) < 0); + GIT_UNUSED(st); + } while (false); + git_error_set(GIT_ERROR_OS, "stat failed"); /* internal fn */ + + cl_assert(git_error_last() != NULL); + str_in_error = strstr(git_error_last()->message, "stat failed"); + cl_assert(str_in_error != NULL); + cl_assert(git__prefixcmp(str_in_error, "stat failed: ") == 0); + cl_assert(strlen(str_in_error) > strlen("stat failed: ")); + +#ifdef GIT_WIN32 + git_error_clear(); + + /* The MSDN docs use this to generate a sample error */ + cl_assert(GetProcessId(NULL) == 0); + git_error_set(GIT_ERROR_OS, "GetProcessId failed"); /* internal fn */ + + cl_assert(git_error_last() != NULL); + str_in_error = strstr(git_error_last()->message, "GetProcessId failed"); + cl_assert(str_in_error != NULL); + cl_assert(git__prefixcmp(str_in_error, "GetProcessId failed: ") == 0); + cl_assert(strlen(str_in_error) > strlen("GetProcessId failed: ")); +#endif + + git_error_clear(); +} + +void test_errors__restore(void) +{ + git_error_state err_state = {0}; + + git_error_clear(); + cl_assert(git_error_last() == NULL); + + cl_assert_equal_i(0, git_error_state_capture(&err_state, 0)); + + memset(&err_state, 0x0, sizeof(git_error_state)); + + git_error_set(42, "Foo: %s", "bar"); + cl_assert_equal_i(-1, git_error_state_capture(&err_state, -1)); + + cl_assert(git_error_last() == NULL); + + git_error_set(99, "Bar: %s", "foo"); + + git_error_state_restore(&err_state); + + cl_assert_equal_i(42, git_error_last()->klass); + cl_assert_equal_s("Foo: bar", git_error_last()->message); +} + +void test_errors__free_state(void) +{ + git_error_state err_state = {0}; + + git_error_clear(); + + git_error_set(42, "Foo: %s", "bar"); + cl_assert_equal_i(-1, git_error_state_capture(&err_state, -1)); + + git_error_set(99, "Bar: %s", "foo"); + + git_error_state_free(&err_state); + + cl_assert_equal_i(99, git_error_last()->klass); + cl_assert_equal_s("Bar: foo", git_error_last()->message); + + git_error_state_restore(&err_state); + + cl_assert(git_error_last() == NULL); +} + +void test_errors__restore_oom(void) +{ + git_error_state err_state = {0}; + const git_error *oom_error = NULL; + + git_error_clear(); + + git_error_set_oom(); /* internal fn */ + oom_error = git_error_last(); + cl_assert(oom_error); + + cl_assert_equal_i(-1, git_error_state_capture(&err_state, -1)); + + cl_assert(git_error_last() == NULL); + cl_assert_equal_i(GIT_ERROR_NOMEMORY, err_state.error_msg.klass); + cl_assert_equal_s("Out of memory", err_state.error_msg.message); + + git_error_state_restore(&err_state); + + cl_assert(git_error_last()->klass == GIT_ERROR_NOMEMORY); + cl_assert_(git_error_last() == oom_error, "static oom error not restored"); + + git_error_clear(); +} + +static int test_arraysize_multiply(size_t nelem, size_t size) +{ + size_t out; + GIT_ERROR_CHECK_ALLOC_MULTIPLY(&out, nelem, size); + return 0; +} + +void test_errors__integer_overflow_alloc_multiply(void) +{ + cl_git_pass(test_arraysize_multiply(10, 10)); + cl_git_pass(test_arraysize_multiply(1000, 1000)); + cl_git_pass(test_arraysize_multiply(SIZE_MAX/sizeof(void *), sizeof(void *))); + cl_git_pass(test_arraysize_multiply(0, 10)); + cl_git_pass(test_arraysize_multiply(10, 0)); + + cl_git_fail(test_arraysize_multiply(SIZE_MAX-1, sizeof(void *))); + cl_git_fail(test_arraysize_multiply((SIZE_MAX/sizeof(void *))+1, sizeof(void *))); + + cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass); + cl_assert_equal_s("Out of memory", git_error_last()->message); +} + +static int test_arraysize_add(size_t one, size_t two) +{ + size_t out; + GIT_ERROR_CHECK_ALLOC_ADD(&out, one, two); + return 0; +} + +void test_errors__integer_overflow_alloc_add(void) +{ + cl_git_pass(test_arraysize_add(10, 10)); + cl_git_pass(test_arraysize_add(1000, 1000)); + cl_git_pass(test_arraysize_add(SIZE_MAX-10, 10)); + + cl_git_fail(test_arraysize_multiply(SIZE_MAX-1, 2)); + cl_git_fail(test_arraysize_multiply(SIZE_MAX, SIZE_MAX)); + + cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass); + cl_assert_equal_s("Out of memory", git_error_last()->message); +} + +void test_errors__integer_overflow_sets_oom(void) +{ + size_t out; + + git_error_clear(); + cl_assert(!GIT_ADD_SIZET_OVERFLOW(&out, SIZE_MAX-1, 1)); + cl_assert_equal_p(NULL, git_error_last()); + + git_error_clear(); + cl_assert(!GIT_ADD_SIZET_OVERFLOW(&out, 42, 69)); + cl_assert_equal_p(NULL, git_error_last()); + + git_error_clear(); + cl_assert(GIT_ADD_SIZET_OVERFLOW(&out, SIZE_MAX, SIZE_MAX)); + cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass); + cl_assert_equal_s("Out of memory", git_error_last()->message); + + git_error_clear(); + cl_assert(GIT_ADD_SIZET_OVERFLOW(&out, SIZE_MAX, SIZE_MAX)); + cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass); + cl_assert_equal_s("Out of memory", git_error_last()->message); +} |