TST: add tests

jklymak · jklymak · commit beeaae90a8f1 · 2019-12-17T13:17:08.000-08:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -5489,6 +5489,13 @@ def test_shared_scale():
         assert ax.get_xscale() == 'linear'
 
 
+def test_shared_bool():
+    with pytest.raises(TypeError):
+        plt.subplot(sharex=True)
+    with pytest.raises(TypeError):
+        plt.subplot(sharey=True)
+
+
 def test_violin_point_mass():
     """Violin plot should handle point mass pdf gracefully."""
     plt.violinplot(np.array([0, 0]))
diff --git a/lib/matplotlib/tests/test_pyplot.py b/lib/matplotlib/tests/test_pyplot.py
@@ -51,3 +51,12 @@ def test_pyplot_box():
 def test_stackplot_smoke():
     # Small smoke test for stackplot (see #12405)
     plt.stackplot([1, 2, 3], [1, 2, 3])
+
+
+def test_nrows_warn():
+     with pytest.raises(AttributeError):
+         with pytest.warns(UserWarning) as rec:
+             plt.subplot(nrows=1)
+     with pytest.raises(AttributeError):
+         with pytest.warns(UserWarning) as rec:
+             plt.subplot(ncols=1)
