diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/fuzzer.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/fuzzer.c b/tests/fuzzer.c index 244cc4f..def5230 100644 --- a/tests/fuzzer.c +++ b/tests/fuzzer.c @@ -487,6 +487,32 @@ static int FUZ_test(U32 seed, U32 nbCycles, const U32 startCycle, const double c ret = LZ4_decompress_fast(compressedBuffer, decodedBuffer, blockSize+1); FUZ_CHECKTEST(ret>=0, "LZ4_decompress_fast should have failed, due to Output Size being too large"); + /* Test decoding with empty input */ + FUZ_DISPLAYTEST("LZ4_decompress_safe() with empty input"); + LZ4_decompress_safe(NULL, decodedBuffer, 0, blockSize); + + /* Test decoding with a one byte input */ + FUZ_DISPLAYTEST("LZ4_decompress_safe() with one byte input"); + { char const tmp = 0xFF; + LZ4_decompress_safe(&tmp, decodedBuffer, 1, blockSize); + } + + /* Test decoding shortcut edge case */ + FUZ_DISPLAYTEST("LZ4_decompress_safe() with shortcut edge case"); + { char tmp[17]; + unsigned long i; + /* 14 bytes of literals, followed by a 14 byte match. + * Should not read beyond the end of the buffer. + * See https://github.com/lz4/lz4/issues/508. */ + *tmp = 0xEE; + memset(tmp + 1, 0, 14); + tmp[15] = 14; + tmp[16] = 0; + ret = LZ4_decompress_safe(tmp, decodedBuffer, sizeof(tmp), blockSize); + FUZ_CHECKTEST(ret >= 0, "LZ4_decompress_safe() should fail"); + } + + /* Test decoding with output size exactly what's necessary => must work */ FUZ_DISPLAYTEST(); decodedBuffer[blockSize] = 0; |