TST: add smoke test for default color in bar3D

tacaswell · tacaswell · commit e0dbfdfe0f17 · 2016-08-27T19:43:25.000-04:00
diff --git a/lib/mpl_toolkits/tests/test_mplot3d.py b/lib/mpl_toolkits/tests/test_mplot3d.py
@@ -20,6 +20,19 @@ def test_bar3d():
         ax.bar(xs, ys, zs=z, zdir='y', color=cs, alpha=0.8)
 
 
+@cleanup
+def test_bar3d_dflt_smoke():
+    fig = plt.figure()
+    ax = fig.add_subplot(111, projection='3d')
+    x = np.arange(4)
+    y = np.arange(5)
+    x2d, y2d = np.meshgrid(x, y)
+    x2d, y2d = x2d.ravel(), y2d.ravel()
+    z = x2d + y2d
+    ax.bar3d(x2d, y2d, x2d * 0, 1, 1, z)
+    fig.canvas.draw()
+
+
 @image_comparison(baseline_images=['contour3d'], remove_text=True)
 def test_contour3d():
     fig = plt.figure()
