diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/buffer_tests.cpp | 16 | ||||
-rw-r--r-- | tests/string_test.cpp | 20 |
2 files changed, 27 insertions, 9 deletions
diff --git a/tests/buffer_tests.cpp b/tests/buffer_tests.cpp index 4967382..a2b330e 100644 --- a/tests/buffer_tests.cpp +++ b/tests/buffer_tests.cpp @@ -381,15 +381,19 @@ void RunSrcDstBufferOverreadTest(void (*test_func)(uint8_t*, uint8_t*, size_t)) // Make the second page unreadable and unwritable. ASSERT_TRUE(mprotect(&memory[pagesize], pagesize, PROT_NONE) == 0); - uint8_t* dst = new uint8_t[pagesize]; - for (size_t i = 0; i < pagesize; i++) { - uint8_t* src = &memory[pagesize-i]; - - test_func(src, dst, i); + uint8_t* dst_buffer = new uint8_t[2*pagesize]; + // Change the dst alignment as we change the source. + for (size_t i = 0; i < 16; i++) { + uint8_t* dst = &dst_buffer[i]; + for (size_t j = 0; j < pagesize; j++) { + uint8_t* src = &memory[pagesize-j]; + + test_func(src, dst, j); + } } ASSERT_TRUE(mprotect(&memory[pagesize], pagesize, PROT_READ | PROT_WRITE) == 0); free(memory); - delete dst; + delete dst_buffer; } void RunCmpBufferOverreadTest( diff --git a/tests/string_test.cpp b/tests/string_test.cpp index 1d63c76..3d97d81 100644 --- a/tests/string_test.cpp +++ b/tests/string_test.cpp @@ -1166,7 +1166,7 @@ static size_t LargeSetIncrement(size_t len) { return 1; } -#define STRCAT_DST_LEN 128 +#define STRCAT_DST_LEN 64 static void DoStrcatTest(uint8_t* src, uint8_t* dst, size_t len) { if (len >= 1) { @@ -1181,7 +1181,7 @@ static void DoStrcatTest(uint8_t* src, uint8_t* dst, size_t len) { int value2 = 32 + (value + 2) % 96; memset(cmp_buf, value2, sizeof(cmp_buf)); - for (size_t i = 1; i <= STRCAT_DST_LEN; i++) { + for (size_t i = 1; i <= STRCAT_DST_LEN;) { memset(dst, value2, i-1); memset(dst+i-1, 0, len-i); src[len-i] = '\0'; @@ -1189,6 +1189,13 @@ static void DoStrcatTest(uint8_t* src, uint8_t* dst, size_t len) { reinterpret_cast<char*>(src)))); ASSERT_TRUE(memcmp(dst, cmp_buf, i-1) == 0); ASSERT_TRUE(memcmp(src, dst+i-1, len-i+1) == 0); + // This is an expensive loop, so don't loop through every value, + // get to a certain size and then start doubling. + if (i < 16) { + i++; + } else { + i <<= 1; + } } } else { dst[0] = '\0'; @@ -1221,7 +1228,7 @@ static void DoStrlcatTest(uint8_t* src, uint8_t* dst, size_t len) { int value2 = 32 + (value + 2) % 96; memset(cmp_buf, value2, sizeof(cmp_buf)); - for (size_t i = 1; i <= STRCAT_DST_LEN; i++) { + for (size_t i = 1; i <= STRCAT_DST_LEN;) { memset(dst, value2, i-1); memset(dst+i-1, 0, len-i); src[len-i] = '\0'; @@ -1229,6 +1236,13 @@ static void DoStrlcatTest(uint8_t* src, uint8_t* dst, size_t len) { reinterpret_cast<char*>(src), len)); ASSERT_TRUE(memcmp(dst, cmp_buf, i-1) == 0); ASSERT_TRUE(memcmp(src, dst+i-1, len-i+1) == 0); + // This is an expensive loop, so don't loop through every value, + // get to a certain size and then start doubling. + if (i < 16) { + i++; + } else { + i <<= 1; + } } } else { dst[0] = '\0'; |