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-rw-r--r--llvm/lib/Fuzzer/test/EquivalenceBTest.cpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/test/EquivalenceBTest.cpp b/llvm/lib/Fuzzer/test/EquivalenceBTest.cpp
new file mode 100644
index 00000000000..175eed1394f
--- /dev/null
+++ b/llvm/lib/Fuzzer/test/EquivalenceBTest.cpp
@@ -0,0 +1,26 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+// Test for libFuzzer's "equivalence" fuzzing, part B.
+extern "C" void LLVMFuzzerAnnounceOutput(const uint8_t *Data, size_t Size);
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ if (Size > 100) return 0;
+ uint8_t Result[100];
+ for (size_t i = 0; i < Size; i++)
+ Result[Size - i - 1] = Data[i];
+
+ // Be a bit different from EquivalenceATest
+ if (Size > 42 && Data[10] == 'B') {
+ static int c;
+ if (!c)
+ fprintf(stderr, "ZZZZZZZ\n");
+ c = 1;
+ Result[42]++;
+ }
+
+ LLVMFuzzerAnnounceOutput(Result, Size);
+ return 0;
+}
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