Renamed the factorial test. Minor modifications to lemon.

examples/lemon_example_one.cpp → examples/factorial_test.cpp

@@ -1,7 +1,7 @@
 ////////////////////////////////////////////////////////////////////////////////
 // Lemon Example One: A Simple Factorial Function
 //
-// Time-stamp: <Last modified 2010-02-23 02:58:43 by Eric Scrivner>
+// Time-stamp: <Last modified 2010-02-23 19:42:31 by Eric Scrivner>
 //
 // Description:
 //   Provides a set of unit-tests using Lemon for a simple factorial function.
@@ -13,7 +13,7 @@
 //
 // Computes the factorial of the given number
 int factorial(int n) {
-	if (n < 2) return 1;
+	if (n <= 0) return 1;
 
 	int result = 1;
 	while (n > 1) {
@@ -26,22 +26,19 @@ int factorial(int n) {
 
 int main(int argc, char* argv[]) {
 	// Setup lemon for 5 tests
-	Lemon lemon(5);
+	Lemon lemon(4);
 
-	// Test 1: The factorial function handles negative numbers as expected
-	lemon.is(factorial(-5), 1, "(-5)! = 1");
+	// Test 1: Factorial of zero is one
+  lemon.is(factorial(0), 1, "0! = 1");
 
-	// Test 2: Factorial of zero is one
-	lemon.is(factorial(0), 1, "0! = 1");
+  // Test 2: 3! = 3 * 2 * 1
+  lemon.is(factorial(3), 3 * 2 * 1, "3! = 3 * 2 * 1");
 
-	// Test 3: Factorial of one is one
-	lemon.is(factorial(1), 1, "1! = 1");
+  // Test 3: (-5)! = 1
+  lemon.is(factorial(-5), 1, "(-5)! = 1");
 
-	// Test 4: Factorial of 2 is 2
-	lemon.is(factorial(2), 2, "2! = 2");
-
-	// Test 5: Factorial of 5 is 120
-	lemon.is(factorial(5), 120, "5! = 120");
+  // Test 4: 5! = 120
+  lemon.is(factorial(5), 120, "5! = 120");
 
 	// Finish testing and display statistics
 	lemon.end();

lemon.h

@@ -2,7 +2,7 @@
 // Lemon Unit Test Framework
 // Author: Eric Scrivner
 //
-// Time-stamp: <Last modified 2010-02-23 03:03:23 by Eric Scrivner>
+// Time-stamp: <Last modified 2010-02-23 17:12:05 by Eric Scrivner>
 //
 // Description:
 //   A lightweight, minimal unit-testing framework based on Perl Test::More
@@ -29,7 +29,7 @@ class Lemon
   // This simply lets lemon know how many tests you're planning to run so that
   // it can properly output the diagnostic information and doesn't have to
   // count by hand (which can be tricky as one test can have many assertions).
-  Lemon(unsigned int num_planned_tests)
+  Lemon (unsigned int num_planned_tests)
   : num_tests_(0),
     test_number_(0),
     num_skipped_(0),
@@ -44,7 +44,7 @@ class Lemon
   // Signifies the end of the testing phase and prints the results.
   //
   // Returns true if all unskipped tests passed, false if there were failures.
-  bool end() {
+  bool end () {
       // If any tests were skipped
     if (num_skipped_ > 0) {
       // Display information about the skipped tests
@@ -72,7 +72,7 @@ class Lemon
   //    message - A string to be written out to the display
   //
   // Used to display diagnostic information which is not a unit test.
-  void diag(const std::string& message) {
+  void diag (const std::string& message) {
     std::cout << "# " << message << std::endl;
   }
 
@@ -85,7 +85,7 @@ class Lemon
   //
   // Marks this test as passed if pass is true.  The test is marked as
   // failing otherwise.
-  bool ok(bool passed, const std::string& test_name) {
+  bool ok (bool passed, const std::string& test_name) {
     // Increment the number of tests run
     num_tests_++;
 
@@ -120,7 +120,7 @@ class Lemon
   //
   // Marks this test as passed if the boolean parameter is false. The test is 
   // marked as failing otherwise.
-  bool not_ok(bool failed, const std::string& test_name) {
+  bool not_ok (bool failed, const std::string& test_name) {
     return ok(!failed, test_name);
   }