diff options
Diffstat (limited to 'xorg-server/test/input.c')
| -rw-r--r-- | xorg-server/test/input.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/xorg-server/test/input.c b/xorg-server/test/input.c index 90ab9aea3..191c81789 100644 --- a/xorg-server/test/input.c +++ b/xorg-server/test/input.c @@ -965,6 +965,19 @@ test_pad_to_int32(int i) } static void +test_padding_for_int32(int i) +{ + static const int padlength[4] = { 0, 3, 2, 1 }; + int expected_bytes = (((i + 3) / 4) * 4) - i; + + assert(padding_for_int32(i) >= 0); + assert(padding_for_int32(i) <= 3); + assert(padding_for_int32(i) == expected_bytes); + assert(padding_for_int32(i) == padlength[i & 3]); + assert((padding_for_int32(i) + i) == pad_to_int32(i)); +} + +static void include_byte_padding_macros(void) { printf("Testing bits_to_bytes()\n"); @@ -996,12 +1009,12 @@ include_byte_padding_macros(void) test_bytes_to_int32(INT_MAX - 4); test_bytes_to_int32(INT_MAX - 3); - printf("Testing pad_to_int32\n"); + printf("Testing pad_to_int32()\n"); test_pad_to_int32(0); - test_pad_to_int32(0); test_pad_to_int32(1); test_pad_to_int32(2); + test_pad_to_int32(3); test_pad_to_int32(7); test_pad_to_int32(8); test_pad_to_int32(0xFF); @@ -1012,6 +1025,23 @@ include_byte_padding_macros(void) test_pad_to_int32(0x1000000); test_pad_to_int32(INT_MAX - 4); test_pad_to_int32(INT_MAX - 3); + + printf("Testing padding_for_int32()\n"); + + test_padding_for_int32(0); + test_padding_for_int32(1); + test_padding_for_int32(2); + test_padding_for_int32(3); + test_padding_for_int32(7); + test_padding_for_int32(8); + test_padding_for_int32(0xFF); + test_padding_for_int32(0x100); + test_padding_for_int32(0xFFFF); + test_padding_for_int32(0x10000); + test_padding_for_int32(0xFFFFFF); + test_padding_for_int32(0x1000000); + test_padding_for_int32(INT_MAX - 4); + test_padding_for_int32(INT_MAX - 3); } static void |