matplotlib
diff --git a/‎lib/matplotlib/tests/baseline_images/test_quiver/quiver_key_xy.png
554 Bytes b/‎lib/matplotlib/tests/baseline_images/test_quiver/quiver_key_xy.png
554 Bytes
diff --git a/‎lib/matplotlib/tests/test_quiver.py
Lines changed: 56 additions & 0 deletions b/‎lib/matplotlib/tests/test_quiver.py
Lines changed: 56 additions & 0 deletions
@@ -267,6 +267,62 @@ def test_quiverkey_angles():
     assert len(qk.verts) == 1
 
 
+def test_quiverkey_angles_xy_aitoff():
+    # GH 26316 and GH 26748
+    # Test that only one arrow will be plotted with non-cartesian
+    # when angles='xy' and/or scale_units='xy'
+
+    # only for test purpose
+    # scale_units='xy' may not be a valid use case for non-cartesian
+    kwargs_list = [
+        {'angles': 'xy'},
+        {'angles': 'xy', 'scale_units': 'xy'},
+        {'scale_units': 'xy'}
+    ]
+
+    for kwargs_dict in kwargs_list:
+
+        x = np.linspace(-np.pi, np.pi, 11)
+        y = np.ones_like(x) * np.pi / 6
+        vx = np.zeros_like(x)
+        vy = np.ones_like(x)
+
+        fig = plt.figure()
+        ax = fig.add_subplot(projection='aitoff')
+        q = ax.quiver(x, y, vx, vy, **kwargs_dict)
+        qk = ax.quiverkey(q, 0, 0, 1, '1 units')
+
+        fig.canvas.draw()
+        assert len(qk.verts) == 1
+
+
+def test_quiverkey_angles_scale_units_cartesian():
+    # GH 26316
+    # Test that only one arrow will be plotted with normal cartesian
+    # when angles='xy' and/or scale_units='xy'
+
+    kwargs_list = [
+        {'angles': 'xy'},
+        {'angles': 'xy', 'scale_units': 'xy'},
+        {'scale_units': 'xy'}
+    ]
+
+    for kwargs_dict in kwargs_list:
+        X = [0, -1, 0]
+        Y = [0, -1, 0]
+        U = [1, -1, 1]
+        V = [1, -1, 0]
+
+        fig, ax = plt.subplots()
+        q = ax.quiver(X, Y, U, V, **kwargs_dict)
+        ax.quiverkey(q, X=0.3, Y=1.1, U=1,
+                     label='Quiver key, length = 1', labelpos='E')
+        qk = ax.quiverkey(q, 0, 0, 1, '1 units')
+
+        fig.canvas.draw()
+        assert len(qk.verts) == 1
+
+
 def test_quiver_setuvc_numbers():
     """Check that it is possible to set all arrow UVC to the same numbers"""