summaryrefslogtreecommitdiffstats
path: root/llvm/lib/Fuzzer/test
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/Fuzzer/test')
-rw-r--r--llvm/lib/Fuzzer/test/CMakeLists.txt1
-rw-r--r--llvm/lib/Fuzzer/test/FourIndependentBranchesTest.cpp18
-rw-r--r--llvm/lib/Fuzzer/test/fuzzer.test5
3 files changed, 23 insertions, 1 deletions
diff --git a/llvm/lib/Fuzzer/test/CMakeLists.txt b/llvm/lib/Fuzzer/test/CMakeLists.txt
index eb3c1eee7c1..bed9cd89ec9 100644
--- a/llvm/lib/Fuzzer/test/CMakeLists.txt
+++ b/llvm/lib/Fuzzer/test/CMakeLists.txt
@@ -5,6 +5,7 @@
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O0 -fsanitize-coverage=4")
set(Tests
+ FourIndependentBranchesTest
FullCoverageSetTest
InfiniteTest
NullDerefTest
diff --git a/llvm/lib/Fuzzer/test/FourIndependentBranchesTest.cpp b/llvm/lib/Fuzzer/test/FourIndependentBranchesTest.cpp
new file mode 100644
index 00000000000..171668bf764
--- /dev/null
+++ b/llvm/lib/Fuzzer/test/FourIndependentBranchesTest.cpp
@@ -0,0 +1,18 @@
+// Simple test for a fuzzer. The fuzzer must find the string "FUZZ".
+#include <cstdint>
+#include <cstdlib>
+#include <cstddef>
+#include <iostream>
+
+extern "C" void TestOneInput(const uint8_t *Data, size_t Size) {
+ int bits = 0;
+ if (Size > 0 && Data[0] == 'F') bits |= 1;
+ if (Size > 1 && Data[1] == 'U') bits |= 2;
+ if (Size > 2 && Data[2] == 'Z') bits |= 4;
+ if (Size > 3 && Data[3] == 'Z') bits |= 8;
+ if (bits == 15) {
+ std::cerr << "BINGO!\n";
+ exit(1);
+ }
+}
+
diff --git a/llvm/lib/Fuzzer/test/fuzzer.test b/llvm/lib/Fuzzer/test/fuzzer.test
index 51b42d67824..1e42e7249da 100644
--- a/llvm/lib/Fuzzer/test/fuzzer.test
+++ b/llvm/lib/Fuzzer/test/fuzzer.test
@@ -12,5 +12,8 @@ TimeoutTest: CRASHED; file written to timeout
RUN: not ./LLVMFuzzer-NullDerefTest 2>&1 | FileCheck %s --check-prefix=NullDerefTest
NullDerefTest: CRASHED; file written to crash-
-RUN: not ./LLVMFuzzer-FullCoverageSetTest -timeout=15 -mutate_depth=2 -use_full_coverage_set=1 2>&1 | FileCheck %s --check-prefix=FullCoverageSetTest
+RUN: not ./LLVMFuzzer-FullCoverageSetTest -timeout=15 -seed=1 -mutate_depth=2 -use_full_coverage_set=1 2>&1 | FileCheck %s --check-prefix=FullCoverageSetTest
FullCoverageSetTest: BINGO
+
+RUN: not ./LLVMFuzzer-FourIndependentBranchesTest -timeout=15 -seed=1 -use_coverage_pairs=1 2>&1 | FileCheck %s --check-prefix=FourIndependentBranchesTest
+FourIndependentBranchesTest: BINGO
OpenPOWER on IntegriCloud