added tests

tests/LabZero.cpp

@@ -18,7 +18,17 @@ streambuf* orig_cout_buf; // records the standard output buffer
 ostringstream outStream;    // captured output stream
 
 
-void labZero_pZero();
+// HELPERS
+
+// Function to trim leading and trailing whitespace - from ChatGPT
+string trim(const string& str) {
+  size_t first = str.find_first_not_of(" \t\n\r\f\v");
+  if (first == std::string::npos)
+    return "";  // The string is all whitespace or empty
+
+  size_t last = str.find_last_not_of(" \t\n\r\f\v");
+  return str.substr(first, (last - first + 1));
+}
 
 /**
  * Redirects input and ouput to strings
@@ -36,15 +46,18 @@ void redirIO(const string iStr) {
 
 /**
  * Restore input and output to STDIN/STDOUT, respectively.
- * @return The output string that was captured since the redirect
+ * @return The output string that was captured since the redirect, trimmed of
+ *         initial and final whitespace
  */
 string restoreIO() {
     cin.rdbuf(orig_cin_buf);
     cout.rdbuf(orig_cout_buf);
 
-    return outStream.str();
+    return trim(outStream.str());
 }
 
+
+// TESTS
 bool test_labZero_pZero() {
     redirIO("1\n2\n90\n"); // redirect input
     labZero_pZero();
@@ -55,9 +68,112 @@ bool test_labZero_pZero() {
     else {
         return false;
     }
+}
+
+bool test_labZero_pOne() {
+  string out;
+
+  // example 1
+  redirIO("0900\n1730\n");
+  labZero_pOne();
+  out = restoreIO();
+  if (out!="8 hours 30 minutes") {
+    return false;
+  }
+
+  // example 2
+  redirIO("1730\n0900\n");
+  labZero_pOne();
+  out = restoreIO();
+  if (out!="15 hours 30 minutes") {
+    return false;
+  }
+
+  // passed all tests
+  return true;
+}
+
+bool test_labZero_pTwo() {
+  redirIO("123456");
+  labZero_pTwo();
+  int out = stoi(restoreIO());
+  if (out!=21)
+    return false;
+
+  return true;
+}
+
+bool test_labZero_pThree() {
+  redirIO("1 2 3 4");
+  labZero_pThree();
+  string out = restoreIO();
+  if (out!="in order")
+    return false;
 
+  return true;
 }
 
+bool test_labZero_pFour() {
+  string out;
+
+  // example 1
+  redirIO("0 0\n0 1\n1 0\n1 1\n");
+  labZero_pFour();
+  out = restoreIO();
+  if (out!="square")
+    return false;
+
+  // example 2
+  redirIO("0 0\n0 1\n1 0\n1 1\n");
+  labZero_pFour();
+  out = restoreIO();
+  if (out!="trapezoid")
+    return false;
+
+  return true;
+}
+
+bool test_labZero_pFive() {
+  string out;
+
+  // example 1
+  redirIO("14\n");
+  labZero_pFive();
+  out = restoreIO();
+  if (out!="XIV")
+    return false;
+
+  // example 2
+  redirIO("1978\n");
+  labZero_pFive();
+  out = restoreIO();
+  if (out!="MCMLXXVIII")
+    return false;
+
+  return true;
+}
+
+
+
 int main() {
-    cout << test_labZero_pZero() << endl;
+  bool t0 = test_labZero_pZero();
+  bool t1 = test_labZero_pOne();
+  bool t2 = test_labZero_pTwo();
+  bool t3 = test_labZero_pThree();
+  bool t4 = test_labZero_pFour();
+  bool t5 = test_labZero_pFive();
+
+  cout << "pZero: " << (t0?"passed":"failed") << endl;
+  cout << "pOne: " << (t1?"passed":"failed") << endl;
+  cout << "pTwo: " << (t2?"passed":"failed") << endl;
+  cout << "pThree: " << (t3?"passed":"failed") << endl;
+  cout << "pFour: " << (t4?"passed":"failed") << endl;
+  cout << "pFive: " << (t5?"passed":"failed") << endl;
+
+  if (t0 && t1 && t2 && t3 && t4 && t5) { // all tests passed
+    exit(0);  // passed
+  }
+  else {
+    exit(-1); // failed
+  }
 }
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