adding cs142 code

cs142/smcquay/midterm2/unittest.cc

@@ -0,0 +1,27 @@
+#include <string>
+#include <cassert>
+
+using namespace std;
+
+#include "util.h"
+
+
+int main(int argc, char * argv []) {
+    bool verbose = false;
+    if(argc > 1)
+        verbose = true;
+    assert(9  == _test_run(10, 1,  verbose));
+    assert(3  == _test_run(10, 3,  verbose));
+    assert(9  == _test_run(10, 12, verbose));
+    assert(19 == _test_run(20, 3,  verbose));
+    assert(4  == _test_run(15, 7,  verbose));
+    for(int i=0; i >= -1; i--) {
+        try {
+            _test_run(1500000, i);
+        }
+        catch(string e) {
+            assert(e == "rule violation: m > 0");
+        }
+    }
+    return 0;
+}