Add new test to check for square check buttons

chahak13 · chahak13 · commit 31e9a1fd2cd4 · 2022-11-17T15:12:05.000-06:00
diff --git a/lib/matplotlib/tests/test_widgets.py b/lib/matplotlib/tests/test_widgets.py
@@ -1024,6 +1024,18 @@ def test_radio_buttons(fig_test, fig_ref):
     ax.text(.25, 1/3, "coffee", transform=ax.transAxes, va="center")
 
 
+@check_figures_equal(extensions=["png"])
+def test_check_buttons(fig_test, fig_ref):
+    widgets.CheckButtons(fig_test.subplots(), ["tea", "coffee"], [True, True])
+    ax = fig_ref.add_subplot(xticks=[], yticks=[])
+    ax.scatter([.15, .15], [2/3, 1/3], marker='s', transform=ax.transAxes,
+               s=(plt.rcParams["font.size"] / 2) ** 2, c=["none", "none"])
+    ax.scatter([.15, .15], [2/3, 1/3], marker='x', transform=ax.transAxes,
+               s=(plt.rcParams["font.size"] / 2) ** 2, c=["k", "k"])
+    ax.text(.25, 2/3, "tea", transform=ax.transAxes, va="center")
+    ax.text(.25, 1/3, "coffee", transform=ax.transAxes, va="center")
+
+
 def test_slider_slidermin_slidermax_invalid():
     fig, ax = plt.subplots()
     # test min/max with floats
