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Rebase of #8504 #10180

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merged 2 commits into from Jan 6, 2018
Merged

Rebase of #8504 #10180

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9721cb7
Tests: Add failing tests for LaTeX
tomspur Apr 17, 2017
7cf0e22
TST: Cleanup new tests a bit.
QuLogic Jan 6, 2018
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13 changes: 13 additions & 0 deletions lib/matplotlib/tests/test_backend_pdf.py
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Expand Up @@ -218,3 +218,16 @@ def test_pdf_savefig_when_color_is_none(tmpdir):
fig.savefig(str(expected_image), format='eps')
result = compare_images(str(actual_image), str(expected_image), 0)
assert result is None


@needs_usetex
def test_failing_latex(tmpdir):
"""Test failing latex subprocess call"""
path = str(tmpdir.join("tmpoutput.pdf"))

rcParams['text.usetex'] = True

# This fails with "Double subscript"
plt.xlabel("$22_2_2$")
with pytest.raises(RuntimeError):
plt.savefig(path)
13 changes: 13 additions & 0 deletions lib/matplotlib/tests/test_backend_ps.py
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Expand Up @@ -157,3 +157,16 @@ def test_transparency():
ax.set_axis_off()
ax.plot([0, 1], color="r", alpha=0)
ax.text(.5, .5, "foo", color="r", alpha=0)


@needs_usetex
def test_failing_latex(tmpdir):
"""Test failing latex subprocess call"""
path = str(tmpdir.join("tmpoutput.ps"))

matplotlib.rcParams['text.usetex'] = True

# This fails with "Double subscript"
plt.xlabel("$22_2_2$")
with pytest.raises(RuntimeError):
plt.savefig(path)