def test_near_zero_null(self):
"""
Test very near zero null.
This is a fix up to help give more sane hues
when chroma is very close to zero.
"""
c = Color('color(--lchuv 90% 0.000000000009 120 / 1)').convert(
'luv').convert('lchuv')
self.assertTrue(c.is_nan('hue'))
def test_null_normalization_min_chroma(self):
"""Test minimum saturation."""
c = Color('color(--lchuv 90% 0 120 / 1)').normalize()
self.assertTrue(c.is_nan('hue'))
def test_null_input(self):
"""Test null input."""
c = Color('lchuv', [90, 50, NaN], 1)
self.assertTrue(c.is_nan('hue'))
def test_none_input(self):
"""Test `none` null."""
c = Color('color(--lchuv 90% 0 none / 1)')
self.assertTrue(c.is_nan('hue'))
def test_null_normalization_min_sat(self):
"""Test minimum saturation."""
c = Color('color(--okhsl 270 0% 0.75 / 1)').normalize()
self.assertTrue(c.is_nan('hue'))
def test_null_normalization_min_light(self):
"""Test minimum lightness."""
c = Color('color(--okhsl 270 20% 0% / 1)').normalize()
self.assertTrue(c.is_nan('hue'))
def test_none_input(self):
"""Test `none` null."""
c = Color('color(--okhsl none 0% 75% / 1)')
self.assertTrue(c.is_nan('hue'))
def test_null_input(self):
"""Test null input."""
c = Color('okhsl', [NaN, 0.5, 1], 1)
self.assertTrue(c.is_nan('hue'))
def test_corner_case_null(self):
"""Test corner case that produces null."""
c = Color('color(srgb -2 0 2)').convert('hsl')
self.assertTrue(c.is_nan('hue'))
def test_null_normalization_max_light(self):
"""Test maximum lightness."""
c = Color('hsl(270 20% 100% / 1)').normalize()
self.assertTrue(c.is_nan('hue'))
def test_none_input(self):
"""Test `none` null."""
c = Color('color(--hsv none 0% 0.75 / 1)')
self.assertTrue(c.is_nan('hue'))