diff --git a/tests/scripts/generate_test_code.py b/tests/scripts/generate_test_code.py
index f19d30b..be08fbc 100755
--- a/tests/scripts/generate_test_code.py
+++ b/tests/scripts/generate_test_code.py
@@ -705,7 +705,7 @@
     execution.
 
     :param data_f: file object of the data file.
-    :return: Generator that yields test name, function name,
+    :return: Generator that yields line number, test name, function name,
              dependency list and function argument list.
     """
     __state_read_name = 0
@@ -748,7 +748,7 @@
                 parts = escaped_split(line, ':')
                 test_function = parts[0]
                 args = parts[1:]
-                yield name, test_function, dependencies, args
+                yield data_f.line_no, name, test_function, dependencies, args
                 dependencies = []
                 state = __state_read_name
     if state == __state_read_args:
@@ -931,7 +931,7 @@
     unique_expressions = []
     dep_check_code = ''
     expression_code = ''
-    for test_name, function_name, test_dependencies, test_args in \
+    for line_no, test_name, function_name, test_dependencies, test_args in \
             parse_test_data(data_f):
         out_data_f.write(test_name + '\n')
 
@@ -942,16 +942,16 @@
         # Write test function name
         test_function_name = 'test_' + function_name
         if test_function_name not in func_info:
-            raise GeneratorInputError("Function %s not found!" %
-                                      test_function_name)
+            raise GeneratorInputError("%d: Function %s not found!" %
+                                      (line_no, test_function_name))
         func_id, func_args = func_info[test_function_name]
         out_data_f.write(str(func_id))
 
         # Write parameters
         if len(test_args) != len(func_args):
-            raise GeneratorInputError("Invalid number of arguments in test "
+            raise GeneratorInputError("%d: Invalid number of arguments in test "
                                       "%s. See function %s signature." %
-                                      (test_name, function_name))
+                                      (line_no, test_name, function_name))
         expression_code += write_parameters(out_data_f, test_args, func_args,
                                             unique_expressions)
 
diff --git a/tests/scripts/test_generate_test_code.py b/tests/scripts/test_generate_test_code.py
index d23d742..9a78ca1 100755
--- a/tests/scripts/test_generate_test_code.py
+++ b/tests/scripts/test_generate_test_code.py
@@ -1264,29 +1264,29 @@
         # List of (name, function_name, dependencies, args)
         tests = list(parse_test_data(stream))
         test1, test2, test3, test4 = tests
-        self.assertEqual(test1[0], 'Diffie-Hellman full exchange #1')
-        self.assertEqual(test1[1], 'dhm_do_dhm')
-        self.assertEqual(test1[2], [])
-        self.assertEqual(test1[3], ['10', '"23"', '10', '"5"'])
+        self.assertEqual(test1[1], 'Diffie-Hellman full exchange #1')
+        self.assertEqual(test1[2], 'dhm_do_dhm')
+        self.assertEqual(test1[3], [])
+        self.assertEqual(test1[4], ['10', '"23"', '10', '"5"'])
 
-        self.assertEqual(test2[0], 'Diffie-Hellman full exchange #2')
-        self.assertEqual(test2[1], 'dhm_do_dhm')
-        self.assertEqual(test2[2], [])
-        self.assertEqual(test2[3], ['10', '"93450983094850938450983409623"',
+        self.assertEqual(test2[1], 'Diffie-Hellman full exchange #2')
+        self.assertEqual(test2[2], 'dhm_do_dhm')
+        self.assertEqual(test2[3], [])
+        self.assertEqual(test2[4], ['10', '"93450983094850938450983409623"',
                                     '10', '"9345098304850938450983409622"'])
 
-        self.assertEqual(test3[0], 'Diffie-Hellman full exchange #3')
-        self.assertEqual(test3[1], 'dhm_do_dhm')
-        self.assertEqual(test3[2], [])
-        self.assertEqual(test3[3], ['10',
+        self.assertEqual(test3[1], 'Diffie-Hellman full exchange #3')
+        self.assertEqual(test3[2], 'dhm_do_dhm')
+        self.assertEqual(test3[3], [])
+        self.assertEqual(test3[4], ['10',
                                     '"9345098382739712938719287391879381271"',
                                     '10',
                                     '"9345098792137312973297123912791271"'])
 
-        self.assertEqual(test4[0], 'Diffie-Hellman selftest')
-        self.assertEqual(test4[1], 'dhm_selftest')
-        self.assertEqual(test4[2], [])
+        self.assertEqual(test4[1], 'Diffie-Hellman selftest')
+        self.assertEqual(test4[2], 'dhm_selftest')
         self.assertEqual(test4[3], [])
+        self.assertEqual(test4[4], [])
 
     def test_with_dependencies(self):
         """
@@ -1306,15 +1306,15 @@
         # List of (name, function_name, dependencies, args)
         tests = list(parse_test_data(stream))
         test1, test2 = tests
-        self.assertEqual(test1[0], 'Diffie-Hellman full exchange #1')
-        self.assertEqual(test1[1], 'dhm_do_dhm')
-        self.assertEqual(test1[2], ['YAHOO'])
-        self.assertEqual(test1[3], ['10', '"23"', '10', '"5"'])
+        self.assertEqual(test1[1], 'Diffie-Hellman full exchange #1')
+        self.assertEqual(test1[2], 'dhm_do_dhm')
+        self.assertEqual(test1[3], ['YAHOO'])
+        self.assertEqual(test1[4], ['10', '"23"', '10', '"5"'])
 
-        self.assertEqual(test2[0], 'Diffie-Hellman full exchange #2')
-        self.assertEqual(test2[1], 'dhm_do_dhm')
-        self.assertEqual(test2[2], [])
-        self.assertEqual(test2[3], ['10', '"93450983094850938450983409623"',
+        self.assertEqual(test2[1], 'Diffie-Hellman full exchange #2')
+        self.assertEqual(test2[2], 'dhm_do_dhm')
+        self.assertEqual(test2[3], [])
+        self.assertEqual(test2[4], ['10', '"93450983094850938450983409623"',
                                     '10', '"9345098304850938450983409622"'])
 
     def test_no_args(self):
@@ -1335,7 +1335,7 @@
         stream = StringIOWrapper('test_suite_ut.function', data)
         err = None
         try:
-            for _, _, _, _ in parse_test_data(stream):
+            for _, _, _, _, _ in parse_test_data(stream):
                 pass
         except GeneratorInputError as err:
             self.assertEqual(type(err), GeneratorInputError)
@@ -1353,7 +1353,7 @@
         stream = StringIOWrapper('test_suite_ut.function', data)
         err = None
         try:
-            for _, _, _, _ in parse_test_data(stream):
+            for _, _, _, _, _ in parse_test_data(stream):
                 pass
         except GeneratorInputError as err:
             self.assertEqual(type(err), GeneratorInputError)