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[libFuzzer] re-enable LLVMFuzzer-RepeatedMemcmp test, cleanup the test runner nearby 

llvm-svn: 292683
This commit is contained in:
Kostya Serebryany 2017-01-21 00:01:27 +00:00
parent 26c353835f
commit 59e1df524f
2 changed files with 15 additions and 20 deletions
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17
llvm/lib/Fuzzer/test/RepeatedMemcmp.cpp
View File

@ -8,13 +8,16 @@
#include <cstdlib>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
int Matches = 0;
for (size_t i = 0; i + 2 < Size; i += 3) {
const char *Pat = i % 2 ? "foo" : "bar";
if (!memcmp(Data + i, Pat, 3))
Matches++;
}
if (Matches > 20) {
int Matches1 = 0;
for (size_t i = 0; i + 2 < Size; i += 3)
if (!memcmp(Data + i, "foo", 3))
Matches1++;
int Matches2 = 0;
for (size_t i = 0; i + 2 < Size; i += 3)
if (!memcmp(Data + i, "bar", 3))
Matches2++;
if (Matches1 > 10 && Matches2 > 10) {
fprintf(stderr, "BINGO!\n");
exit(1);
}

18
llvm/lib/Fuzzer/test/fuzzer-traces-hooks.test
View File

@ -3,21 +3,13 @@
// than linux
REQUIRES: linux
CHECK: BINGO
Done1000000: Done 1000000 runs in
RUN: not LLVMFuzzer-MemcmpTest -seed=1 -runs=1000000 2>&1 | FileCheck %s
ZZZ: LLVMFuzzer-MemcmpTest -use_memcmp=0 -seed=4294967295 -runs=1000000 2>&1 | FileCheck %s --check-prefix=Done1000000
RUN: not LLVMFuzzer-MemcmpTest -seed=1 -runs=2000000 2>&1 | FileCheck %s
RUN: not LLVMFuzzer-StrncmpTest -seed=1 -runs=2000000 2>&1 | FileCheck %s
RUN: not LLVMFuzzer-StrcmpTest -seed=1 -runs=2000000 2>&1 | FileCheck %s
RUN: not LLVMFuzzer-StrstrTest -seed=1 -runs=2000000 2>&1 | FileCheck %s
RUN: not LLVMFuzzer-StrncmpTest -seed=2 -runs=1000000 2>&1 | FileCheck %s
ZZZ: LLVMFuzzer-StrncmpTest -use_memcmp=0 -seed=3 -runs=1000000 2>&1 | FileCheck %s --check-prefix=Done1000000
RUN: not LLVMFuzzer-StrcmpTest -seed=4 -runs=1000000 2>&1 | FileCheck %s
ZZZ: LLVMFuzzer-StrcmpTest -use_memcmp=0 -seed=5 -runs=1000000 2>&1 | FileCheck %s --check-prefix=Done1000000
RUN: not LLVMFuzzer-StrstrTest -seed=6 -runs=200000 2>&1 | FileCheck %s
ZZZ: LLVMFuzzer-StrstrTest -use_memmem=0 -seed=7 -runs=1000000 2>&1 | FileCheck %s --check-prefix=Done1000000
DISABLED: LLVMFuzzer-RepeatedMemcmp -seed=11 -runs=100000 2>&1 | FileCheck %s --check-prefix=RECOMMENDED_DICT
RUN: LLVMFuzzer-RepeatedMemcmp -seed=11 -runs=100000 2>&1 | FileCheck %s --check-prefix=RECOMMENDED_DICT
RECOMMENDED_DICT:###### Recommended dictionary. ######
RECOMMENDED_DICT-DAG: "foo"
RECOMMENDED_DICT-DAG: "bar"