1 files changed, 16 insertions, 2 deletions
diff --git a/testing_and_debugging/gcd.py b/testing_and_debugging/gcd.py
index 5bc9110..7cbb9a0 100644
--- a/testing_and_debugging/gcd.py
+++ b/testing_and_debugging/gcd.py
@@ -1,11 +1,25 @@
 def gcd(a, b):
-    if a%b==0:
+    if b==0:
        return a
     return gcd(b, a%b)
 
 #if __name__ == '__main__':
 #     result = gcd(48, 64)
-#     if result != 16:
+#     if result!= 16:
 #         print "Test failed"
 #     print "Test Passed"
 
+
+
+#if __name__ == '__main__':
+#    for line in open('testcases.txt'):
+#        numbers = line.split()
+#        x = int(numbers[0])
+#        y = int(numbers[1])
+#        result = int(numbers[2])
+#       	if gcd(x, y) != result:
+#            print "Failed gcd test for", x, y
+#        else:
+#            print "Test passed" , result
+
+