Initial commit

parkingkonceptvenv/lib/python3.7/site-packages/matplotlib/tests/test_usetex.py

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+import warnings
+
+import pytest
+
+import matplotlib
+from matplotlib.testing.decorators import image_comparison
+import matplotlib.pyplot as plt
+from matplotlib.ticker import EngFormatter
+
+
+with warnings.catch_warnings():
+    warnings.simplefilter('ignore')
+    needs_usetex = pytest.mark.skipif(
+        not matplotlib.checkdep_usetex(True),
+        reason='Missing TeX of Ghostscript or dvipng')
+
+
+@needs_usetex
+@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([])