diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/input.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/input.c b/test/input.c index bb32491a4..e2faaeff9 100644 --- a/test/input.c +++ b/test/input.c @@ -678,6 +678,44 @@ static void dix_grab_matching(void) g_assert(rc == TRUE); } +static void include_byte_padding_macros(void) +{ + int i; + g_test_message("Testing bits_to_bytes()"); + + /* the macros don't provide overflow protection */ + for (i = 0; i < INT_MAX - 7; i++) + { + int expected_bytes; + expected_bytes = (i + 7)/8; + + g_assert(bits_to_bytes(i) >= i/8); + g_assert((bits_to_bytes(i) * 8) - i <= 7); + } + + g_test_message("Testing bytes_to_int32()"); + for (i = 0; i < INT_MAX - 3; i++) + { + int expected_4byte; + expected_4byte = (i + 3)/4; + + g_assert(bytes_to_int32(i) <= i); + g_assert((bytes_to_int32(i) * 4) - i <= 3); + } + + g_test_message("Testing pad_to_int32"); + + for (i = 0; i < INT_MAX - 3; i++) + { + int expected_bytes; + expected_bytes = ((i + 3)/4) * 4; + + g_assert(pad_to_int32(i) >= i); + g_assert(pad_to_int32(i) - i <= 3); + } + +} + int main(int argc, char** argv) { g_test_init(&argc, &argv,NULL); @@ -688,6 +726,7 @@ int main(int argc, char** argv) g_test_add_func("/dix/input/check-grab-values", dix_check_grab_values); g_test_add_func("/dix/input/xi2-struct-sizes", xi2_struct_sizes); g_test_add_func("/dix/input/grab_matching", dix_grab_matching); + g_test_add_func("/include/byte_padding_macros", include_byte_padding_macros); return g_test_run(); } |