From: Kostya Serebryany <kcc@google.com>
Date: Wed, 5 Aug 2015 21:32:13 +0000 (+0000)
Subject: [libFuzzer] add a missing test file
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=764fea6d11b5b5db9fcfa258d8e8ae079789b0a0;p=oota-llvm.git

[libFuzzer] add a missing test file

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244151 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Fuzzer/test/StrcmpTest.cpp b/lib/Fuzzer/test/StrcmpTest.cpp
new file mode 100644
index 00000000000..04264fa93fd
--- /dev/null
+++ b/lib/Fuzzer/test/StrcmpTest.cpp
@@ -0,0 +1,28 @@
+// Break through a series of strcmp.
+#include <cstring>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cassert>
+
+bool Eq(const uint8_t *Data, size_t Size, const char *Str) {
+  char Buff[1024];
+  size_t Len = strlen(Str);
+  if (Size < Len) return false;
+  if (Len >= sizeof(Buff)) return false;
+  memcpy(Buff, (char*)Data, Len);
+  Buff[Len] = 0;
+  int res = strcmp(Buff, Str);
+  return res == 0;
+}
+
+extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Eq(Data, Size, "AAA") &&
+      Size >= 3 && Eq(Data + 3, Size - 3, "BBBB") &&
+      Size >= 7 && Eq(Data + 7, Size - 7, "CCCCCC") &&
+      Size >= 14 && Data[13] == 42
+    ) {
+    fprintf(stderr, "BINGO\n");
+    exit(1);
+  }
+}