--- /dev/null
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Simple test for a fuzzer. The fuzzer must find the interesting switch value.
+#include <cstdint>
+#include <cstdlib>
+#include <cstdio>
+#include <cstring>
+#include <cstddef>
+
+int Switch(int a) {
+ switch(a) {
+ case 100001: return 1;
+ case 100002: return 2;
+ case 100003: return 4;
+ }
+ return 0;
+}
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+ const int N = 3;
+ if (Size < N * sizeof(int)) return 0;
+ int Res = 0;
+ for (int i = 0; i < N; i++) {
+ int X;
+ memcpy(&X, Data + i * sizeof(int), sizeof(int));
+ Res += Switch(X);
+ }
+ if (Res == 5 || Res == 3 || Res == 6 || Res == 7) {
+ fprintf(stderr, "BINGO; Found the target, exiting; Res=%d\n", Res);
+ exit(1);
+ }
+ return 0;
+}
+