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Fixed failing test on python3. #2080

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merged 1 commit into from
May 29, 2013
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Merged

Fixed failing test on python3. #2080

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11 changes: 7 additions & 4 deletions lib/matplotlib/tests/test_colors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -122,6 +122,7 @@ def test_cmap_and_norm_from_levels_and_colors2():
clr = mcolors.colorConverter.to_rgba_array(colors)
bad = (0.1, 0.1, 0.1, 0.1)
no_color = (0.0, 0.0, 0.0, 0.0)
masked_value = 'masked value'

# Define the test values which are of interest.
# Note: levels are lev[i] <= v < lev[i+1]
Expand All @@ -131,38 +132,40 @@ def test_cmap_and_norm_from_levels_and_colors2():
2.25: clr[2],
3: clr[4],
3.5: clr[4],
np.ma.array(1, mask=True): bad}),
masked_value: bad}),

('min', -1, {-2: clr[0],
-1: clr[1],
2: clr[2],
2.25: clr[2],
3: no_color,
3.5: no_color,
np.ma.array(1, mask=True): bad}),
masked_value: bad}),

('max', -1, {-2: no_color,
-1: clr[0],
2: clr[1],
2.25: clr[1],
3: clr[3],
3.5: clr[3],
np.ma.array(1, mask=True): bad}),
masked_value: bad}),

('neither', -2, {-2: no_color,
-1: clr[0],
2: clr[1],
2.25: clr[1],
3: no_color,
3.5: no_color,
np.ma.array(1, mask=True): bad}),
masked_value: bad}),
]

for extend, i1, cases in tests:
cmap, norm = mcolors.from_levels_and_colors(levels, colors[0:i1],
extend=extend)
cmap.set_bad(bad)
for d_val, expected_color in sorted(cases.items()):
if d_val == masked_value:
d_val = np.ma.array(1, mask=True)
assert_array_equal(expected_color, cmap(norm([d_val]))[0],
'Wih extend={0!r} and data '
'value={1!r}'.format(extend, d_val))
Expand Down