matplotlib
diff --git a/‎lib/matplotlib/tests/test_axes.py
Copy file name to clipboardExpand all lines: lib/matplotlib/tests/test_axes.py
+34Lines changed: 34 additions & 0 deletions b/‎lib/matplotlib/tests/test_axes.py
Copy file name to clipboardExpand all lines: lib/matplotlib/tests/test_axes.py
+34Lines changed: 34 additions & 0 deletions
@@ -4157,6 +4157,40 @@ def test_loglog():
     ax.tick_params(length=15, width=2, which='minor')
 
 
+@cleanup('default')
+def test_axes_margins():
+    fig, ax = plt.subplots()
+    ax.plot([0, 1, 2, 3])
+    assert ax.get_ybound()[0] != 0
+
+    fig, ax = plt.subplots()
+    ax.bar([0, 1, 2, 3], [1, 1, 1, 1])
+    assert ax.get_ybound()[0] == 0
+
+    fig, ax = plt.subplots()
+    ax.barh([0, 1, 2, 3], [1, 1, 1, 1])
+    assert ax.get_xbound()[0] == 0
+
+    fig, ax = plt.subplots()
+    ax.pcolor(np.zeros((10, 10)))
+    assert ax.get_xbound() == (0, 10)
+    assert ax.get_ybound() == (0, 10)
+
+    fig, ax = plt.subplots()
+    ax.pcolorfast(np.zeros((10, 10)))
+    assert ax.get_xbound() == (0, 10)
+    assert ax.get_ybound() == (0, 10)
+
+    fig, ax = plt.subplots()
+    ax.hist(np.arange(10))
+    assert ax.get_ybound()[0] == 0
+
+    fig, ax = plt.subplots()
+    ax.imshow(np.zeros((10, 10)))
+    assert ax.get_xbound() == (-0.5, 9.5)
+    assert ax.get_ybound() == (-0.5, 9.5)
+
+
 if __name__ == '__main__':
     import nose
     import sys