def test_sine():
    # Arrange
    middle = 0.5
    pos = 0.75

    # Act
    ret = GimpGradientFile.sine(middle, pos)

    # Assert
    assert ret == 0.8535533905932737
    def test_sine(self):
        # Arrange
        middle = 0.5
        pos = 0.75

        # Act
        ret = GimpGradientFile.sine(middle, pos)

        # Assert
        self.assertEqual(ret, 0.8535533905932737)
    def test_sine(self):
        # Arrange
        middle = 0.5
        pos = 0.75

        # Act
        ret = GimpGradientFile.sine(middle, pos)

        # Assert
        self.assertEqual(ret, 0.8535533905932737)