TST: add tighbbox tests

jklymak · jklymak · commit 880f5317f2b9 · 2018-04-28T19:01:51.000-07:00
diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
@@ -385,3 +385,14 @@ def test_fspath(fmt, tmpdir):
         # All the supported formats include the format name (case-insensitive)
         # in the first 100 bytes.
         assert fmt.encode("ascii") in file.read(100).lower()
+
+
+def test_tightbbox():
+    fig, ax = plt.subplots()
+    ax.set_xlim(0, 1)
+    t = ax.text(1., 0.5, 'This dangles over end')
+    renderer = fig.canvas.get_renderer()
+    assert np.abs(t.get_tightbbox(renderer).x1 - 9.035 * fig.dpi) < 2
+    assert np.abs(ax.get_tightbbox(renderer).x1 - 9.035 * fig.dpi) < 2
+    assert np.abs(fig.get_tightbbox(renderer).x1 - 9.035) < 0.05
+    assert np.abs(fig.get_tightbbox(renderer).x0 - 0.679) < 0.05
