5 files changed, 23 insertions, 9 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
+
+
diff --git a/testing_and_debugging/lcmtestcases.txt b/testing_and_debugging/lcmtestcases.txt
index 9097077..6bac05b 100644
--- a/testing_and_debugging/lcmtestcases.txt
+++ b/testing_and_debugging/lcmtestcases.txt
@@ -1,3 +1,3 @@
 12 28 84
 18 36 36 
-4678 39763 79562
+4678 39763 2339
diff --git a/testing_and_debugging/script.rst b/testing_and_debugging/script.rst
index 28bc9f1..0ecc590 100644
--- a/testing_and_debugging/script.rst
+++ b/testing_and_debugging/script.rst
@@ -70,7 +70,7 @@ Open an editor and type the code shown on the slide and save it as gcd.py
 {{{ Show slide, gcd function }}}
 
 def gcd(a, b):
-    if a % b == 0:
+    if b == 0:
        return a
     return gcd(b, a%b)
 
@@ -101,7 +101,7 @@ test case we know that the GCD is 16. So that is the expected output.
 {{{ Show slide,Test for gcd.py }}}
 
     def gcd(a, b):
-        if a % b == 0:
+        if b == 0:
             return a
         return gcd(b, a%b)
   
diff --git a/testing_and_debugging/slides.org b/testing_and_debugging/slides.org
index 377d689..676664b 100644
--- a/testing_and_debugging/slides.org
+++ b/testing_and_debugging/slides.org
@@ -64,7 +64,7 @@ Spoken tutorial on -
   - Create gcd.py file with:
 #+begin_src python
   def gcd(a, b):
-        if a % b == 0: 
+        if b == 0: 
             return b
         return gcd(b, a%b)
 #+end_src python
@@ -73,7 +73,7 @@ Spoken tutorial on -
   - Edit gcd.py file
 #+begin_src python 
   def gcd(a, b):
-      if a % b == 0:
+      if b == 0:
           return a
       return gcd(b, a%b)
   
diff --git a/testing_and_debugging/slides.tex b/testing_and_debugging/slides.tex
index 6be2cde..d7a0dce 100644
--- a/testing_and_debugging/slides.tex
+++ b/testing_and_debugging/slides.tex
@@ -94,7 +94,7 @@ Spoken tutorial on -
 \lstset{language=Python}
 \begin{lstlisting}
 def gcd(a, b):
-      if a % b == 0: 
+      if b == 0: 
           return b
       return gcd(b, a%b)
 \end{lstlisting}
@@ -110,7 +110,7 @@ def gcd(a, b):
 \lstset{language=Python}
 \begin{lstlisting}
 def gcd(a, b):
-    if a % b == 0:
+    if b == 0:
         return a
     return gcd(b, a%b)