TST: add test of subplot_kw

tacaswell · tacaswell · commit 42dab113fa30 · 2020-03-01T23:56:00.000-05:00
diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
@@ -612,3 +612,20 @@ def test_adjust_existing(self, fig_test, fig_ref):
         y = [[axA, axB], [axC, axB]]
 
         grid_axes_ts = fig_test.build_grid(y)
+
+    @check_figures_equal(extensions=['png'])
+    @pytest.mark.parametrize('subplot_kw', [
+        {},
+        {'projection': 'polar'},
+        None
+        ]
+    )
+    def test_subplot_kw(self, fig_test, fig_ref, subplot_kw):
+        x = [[1, 2]]
+        grid_axes = fig_test.build_grid(x, subplot_kw=subplot_kw)
+        subplot_kw = subplot_kw or {}
+
+        gs = fig_ref.add_gridspec(1, 2)
+        axA = fig_ref.add_subplot(gs[0, 0], **subplot_kw)
+
+        axB = fig_ref.add_subplot(gs[0, 1], **subplot_kw)
