26 lines
918 B
Python
26 lines
918 B
Python
import pytest
|
|
|
|
import matplotlib
|
|
from matplotlib.testing.decorators import image_comparison
|
|
import matplotlib.pyplot as plt
|
|
|
|
|
|
@pytest.mark.skipif(not matplotlib.checkdep_usetex(True),
|
|
reason='Missing TeX or Ghostscript or dvipng')
|
|
@image_comparison(baseline_images=['test_usetex'],
|
|
extensions=['pdf', 'png'],
|
|
tol=0.3)
|
|
def test_usetex():
|
|
matplotlib.rcParams['text.usetex'] = True
|
|
fig = plt.figure()
|
|
ax = fig.add_subplot(111)
|
|
ax.text(0.1, 0.2,
|
|
# the \LaTeX macro exercises character sizing and placement,
|
|
# \left[ ... \right\} draw some variable-height characters,
|
|
# \sqrt and \frac draw horizontal rules, \mathrm changes the font
|
|
r'\LaTeX\ $\left[\int\limits_e^{2e}'
|
|
r'\sqrt\frac{\log^3 x}{x}\,\mathrm{d}x \right\}$',
|
|
fontsize=24)
|
|
ax.set_xticks([])
|
|
ax.set_yticks([])
|