image_ops_double_test.py 文件源码

def testConvertBetweenInteger(self):
    try:
      # Make sure converting to between integer types scales appropriately
      with self.test_session():
        self._convert([0, 255], dtypes.uint8, dtypes.int16, [0, 255 * 128])
        self._convert([0, 32767], dtypes.int16, dtypes.uint8, [0, 255])
        # itensor is tf.int32, but attr "T" is set to tf.int16
    except:
      import pdb;
      pdb.post_mortem()