TST: add test of slightly odd corner cases

tacaswell · tacaswell · commit eba6a98bcd4a · 2020-03-04T23:29:01.000-05:00
diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
@@ -564,6 +564,14 @@ def test_nested(self, fig_test, fig_ref):
         fig_test.tight_layout()
         fig_ref.tight_layout()
 
+    @check_figures_equal(tol=0.005, extensions=['png'])
+    def test_nested_tuple(self, fig_test, fig_ref):
+        x = [["A", "B", "B"], ["C", "C", "D"]]
+        xt = (("A", "B", "B"), ("C", "C", "D"))
+
+        fig_ref.build_grid([["F"], [x]])
+        fig_test.build_grid([["F"], [xt]])
+
     @check_figures_equal(extensions=['png'])
     @pytest.mark.parametrize('x, empty_sentinel', [
         ([["A", None], [None, "B"]], None),
@@ -645,3 +653,16 @@ def test_fail(self, x, match):
                 ValueError,
                 match=match):
             fig.build_grid(x)
+
+    @check_figures_equal(extensions=['png'])
+    def test_hashable_keys(self, fig_test, fig_ref):
+        fig_test.build_grid([[object(), object()]])
+        fig_ref.build_grid([['A', 'B']])
+
+    @check_figures_equal(extensions=['png'])
+    def test_mixed(self, fig_test, fig_ref):
+        for k, ax in fig_ref.build_grid([['A', None, 'B']]).items():
+            ax.set_title(k)
+        ax = fig_test.subplots()
+        ax.set_title('B')
+        fig_test.build_grid([['A', None, ax]])['A'].set_title('A')
