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More smoketesting of pcolorfast. #13434

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Merged
merged 1 commit into from
Feb 14, 2019
Merged

More smoketesting of pcolorfast. #13434

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24 changes: 16 additions & 8 deletions lib/matplotlib/tests/test_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import warnings

import matplotlib
import matplotlib as mpl
from matplotlib.testing.decorators import (
image_comparison, check_figures_equal, remove_ticks_and_titles)
import matplotlib.pyplot as plt
Expand Down Expand Up @@ -5220,14 +5221,21 @@ def test_no_None():
plt.plot(None, None)


def test_pcolor_fast_non_uniform():
Z = np.arange(6).reshape((3, 2))
X = np.array([0, 1, 2, 10])
Y = np.array([0, 1, 2])

plt.figure()
ax = plt.subplot(111)
ax.pcolorfast(X, Y, Z.T)
@pytest.mark.parametrize(
"xy, cls", [
((), mpl.image.AxesImage), # (0, N)
(((3, 7), (2, 6)), mpl.image.AxesImage), # (xmin, xmax)
((range(5), range(4)), mpl.image.AxesImage), # regular grid
(([1, 2, 4, 8, 16], [0, 1, 2, 3]), # irregular grid
mpl.image.PcolorImage),
((np.random.random((4, 5)), np.random.random((4, 5))), # 2D coords
mpl.collections.QuadMesh),
]
)
def test_pcolorfast_colormapped(xy, cls):
fig, ax = plt.subplots()
data = np.arange(12).reshape((3, 4))
assert type(ax.pcolorfast(*xy, data)) == cls


def test_shared_scale():
Expand Down