Renaming from McTest to DeepState.

examples/IntegerOverflow.cpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2017 Trail of Bits, Inc.
+ *
+ * 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
+ *
+ *     http://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.
+ */
+
+#include <deepstate/DeepState.hpp>
+
+using namespace deepstate;
+
+DEEPSTATE_NOINLINE int ident1(int x) {
+  return x;
+}
+
+DEEPSTATE_NOINLINE int ident2(int x) {
+  return x;
+}
+
+TEST(SignedInteger, AdditionOverflow) {
+  Symbolic<int> x;
+  int y = ident1(x) + ident2(x);  // Can overflow!
+  ASSERT_GE(y, 0)
+      << "Found y=" << y << " was not always positive.";
+}
+
+TEST(SignedInteger, MultiplicationOverflow) {
+  Symbolic<int> x;
+  int y = ident1(x) * ident2(x);  // Can overflow!
+  ASSERT_GE(y, 0)
+      << x << " squared overflowed.";
+}
+
+int main(int argc, char *argv[]) {
+  return DeepState_Run();
+}