TST: add tightbbox test

jklymak · jklymak · commit 07ac11270a5b · 2018-10-27T19:34:17.000-07:00
diff --git a/lib/matplotlib/tests/test_artist.py b/lib/matplotlib/tests/test_artist.py
@@ -277,3 +277,11 @@ def set_f(self, arg):
     """ % accept_clause
     valid_values = martist.ArtistInspector(TestArtist).get_valid_values('f')
     assert valid_values == expected
+
+
+def test_gettightbbox_ignoreNaN():
+    fig, ax = plt.subplots()
+    t = ax.text(np.NaN, 1, 'Boo')
+    renderer = fig.canvas.get_renderer()
+    assert t.get_tightbbox(renderer) is None
+    np.testing.assert_allclose(ax.get_tightbbox(renderer).width, 532.444444)
