diff --git a/python/paddle/v2/fluid/tests/test_python_operator_overriding.py b/python/paddle/v2/fluid/tests/test_python_operator_overriding.py
index b985ae3e297cb733cd180fcebcd8e30ebab0c2ea..94f3fc958e069eb7c49e8f157c11be319b980848 100644
--- a/python/paddle/v2/fluid/tests/test_python_operator_overriding.py
+++ b/python/paddle/v2/fluid/tests/test_python_operator_overriding.py
@@ -14,40 +14,52 @@
 
 import unittest
 
-import numpy
+import numpy as np
+
+import paddle.v2.fluid.layers as layers
 import paddle.v2.fluid.framework as framework
 import paddle.v2.fluid as fluid
 
 
 class TestPythonOperatorOverride(unittest.TestCase):
-    def check_result(self, fn, place, dtype='float32'):
+    def check_result(self, fn, x_val, y_val, place, dtype):
         shape = [9, 10]
 
-        x_data = numpy.random.random(size=shape).astype(dtype)
-        y_data = numpy.random.random(size=shape).astype(dtype)
+        x_data = np.full(shape, x_val).astype(dtype)
+        y_data = np.full(shape, y_val).astype(dtype)
         python_out = fn(x_data, y_data)
 
-        x_var = fluid.layers.data(name='x', shape=shape, dtype=dtype)
-        y_var = fluid.layers.data(name='y', shape=shape, dtype=dtype)
+        x_var = layers.create_global_var(
+            shape=shape, value=x_val, dtype=dtype, persistable=True)
+        y_var = layers.create_global_var(
+            shape=shape, value=y_val, dtype=dtype, persistable=True)
         out = fn(x_var, y_var)
 
         exe = fluid.Executor(place)
-        feeder = fluid.DataFeeder(feed_list=[x_var, y_var], place=place)
 
         exe.run(fluid.default_startup_program())
         fluid_out = exe.run(fluid.default_main_program(),
-                            feed=feeder.feed([x_data, y_data]),
+                            feed=[],
                             fetch_list=[out])
 
-        print(python_out)
-        self.assertAlmostEqual(python_out, fluid_out[0])
+        np.testing.assert_array_equal(python_out, fluid_out[0])
 
     def test_override(self):
+        cpu_place = fluid.CPUPlace()
+        test_data = [(lambda _a, _b: _a == _b, 0.1, 1.1, cpu_place, 'float32'),
+                     (lambda _a, _b: _a == _b, 1.2, 1.1, cpu_place, 'float32'),
+                     (lambda _a, _b: _a < _b, 0.1, 1.1, cpu_place, 'float32'),
+                     (lambda _a, _b: _a < _b, 2.1, 1.1, cpu_place, 'float32'),
+                     (lambda _a, _b: _a <= _b, 0.1, 1.1, cpu_place, 'float32'),
+                     (lambda _a, _b: _a <= _b, 1.1, 1.1, cpu_place, 'float32'),
+                     (lambda _a, _b: _a >= _b, 1.1, 1.1, cpu_place, 'float32')]
+
         main_program = framework.Program()
         startup_program = framework.Program()
+
         with framework.program_guard(main_program, startup_program):
-            place = fluid.CPUPlace()
-            self.check_result(lambda _a, _b: _a == _b, place)
+            for fn, x_val, y_val, place, dtype in test_data:
+                self.check_result(fn, x_val, y_val, place, dtype)
 
 
 if __name__ == '__main__':