change diff output

Author: bigfooted

TestCases/TestCase.py

@@ -361,7 +361,14 @@ def run_filediff(self, with_tsan=False, with_asan=False):
 
                             # Assert that both files have the same number of lines
                             if len(fromlines) != len(tolines):
-                                diff = ["ERROR: Number of lines in " + fromfile + " and " + tofile + " differ: " + len(fromlines) + " vs " + len(tolines) + "."]
+                                stringerr = "ERROR: Number of lines in " + str(fromfile) + " and " + str(tofile) + " differ: " + str(len(fromlines)) + " vs " + str(len(tolines)) + "."
+                                diff = [stringerr]
+                                print("generated file = ")
+                                for i_line in range(0, len(tolines)):
+                                    print(i_line)
+                                for i_line in range(0, len(fromlines)):
+                                    print(i_line)
+
                                 passed = False
 
                             # Loop through all lines