added test and debug

1 files changed, 63 insertions, 0 deletions

diff --git a/qemu_mode/libcompcov/compcovtest.cc b/qemu_mode/libcompcov/compcovtest.cc
new file mode 100644
index 00000000..fd1fda00
--- /dev/null
+++ b/qemu_mode/libcompcov/compcovtest.cc
@@ -0,0 +1,63 @@
+/////////////////////////////////////////////////////////////////////////

+//

+// Author: Mateusz Jurczyk (mjurczyk@google.com)

+//

+// Copyright 2019 Google LLC

+// 

+// Licensed under the Apache License, Version 2.0 (the "License");

+// you may not use this file except in compliance with the License.

+// You may obtain a copy of the License at

+// 

+// https://www.apache.org/licenses/LICENSE-2.0

+// 

+// Unless required by applicable law or agreed to in writing, software

+// distributed under the License is distributed on an "AS IS" BASIS,

+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

+// See the License for the specific language governing permissions and

+// limitations under the License.

+//

+

+// solution: echo -ne 'The quick brown fox jumps over the lazy dog\xbe\xba\xfe\xca\xbe\xba\xfe\xca\xde\xc0\xad\xde\xef\xbe' | ./compcovtest

+

+#include <cstdint>

+#include <cstdio>

+#include <cstdlib>

+#include <cstring>

+

+int main() {

+  char buffer[44] = { /* zero padding */ };

+  fread(buffer, 1, sizeof(buffer) - 1, stdin);

+

+  if (memcmp(&buffer[0], "The quick brown fox ", 20) != 0 ||

+      strncmp(&buffer[20], "jumps over ", 11) != 0 ||

+      strcmp(&buffer[31], "the lazy dog") != 0) {

+    return 1;

+  }

+

+  uint64_t x = 0;

+  fread(&x, sizeof(x), 1, stdin);

+  if (x != 0xCAFEBABECAFEBABE) {

+    return 2;

+  }

+

+  uint32_t y = 0;

+  fread(&y, sizeof(y), 1, stdin);

+  if (y != 0xDEADC0DE) {

+    return 3;

+  }

+

+  uint16_t z = 0;

+  fread(&z, sizeof(z), 1, stdin);

+

+  switch (z) {

+    case 0xBEEF:

+      break;

+

+    default:

+      return 4;

+  }

+

+  printf("Puzzle solved, congrats!\n");

+  abort();

+  return 0;

+}