diff --git a/lib/matplotlib/tests/test_widgets.py b/lib/matplotlib/tests/test_widgets.py
index a9e04fd89c0e..9edfdea73e0a 100644
--- a/lib/matplotlib/tests/test_widgets.py
+++ b/lib/matplotlib/tests/test_widgets.py
@@ -59,6 +59,47 @@ def test_rectangle_selector():
check_rectangle(props=dict(fill=True))
+@pytest.mark.parametrize('spancoords', ['data', 'pixels'])
+@pytest.mark.parametrize('minspanx, x1', [[0, 10], [1, 10.5], [1, 11]])
+@pytest.mark.parametrize('minspany, y1', [[0, 10], [1, 10.5], [1, 11]])
+def test_rectangle_minspan(spancoords, minspanx, x1, minspany, y1):
+ ax = get_ax()
+ # attribute to track number of onselect calls
+ ax._n_onselect = 0
+
+ def onselect(epress, erelease):
+ ax._n_onselect += 1
+ ax._epress = epress
+ ax._erelease = erelease
+
+ x0, y0 = (10, 10)
+ if spancoords == 'pixels':
+ minspanx, minspany = (ax.transData.transform((x1, y1)) -
+ ax.transData.transform((x0, y0)))
+
+ tool = widgets.RectangleSelector(ax, onselect, interactive=True,
+ spancoords=spancoords,
+ minspanx=minspanx, minspany=minspany)
+ # Too small to create a selector
+ click_and_drag(tool, start=(x0, x1), end=(y0, y1))
+ assert not tool._selection_completed
+ assert ax._n_onselect == 0
+
+ click_and_drag(tool, start=(20, 20), end=(30, 30))
+ assert tool._selection_completed
+ assert ax._n_onselect == 1
+
+ # Too small to create a selector. Should clear exising selector, and
+ # trigger onselect because there was a pre-exisiting selector
+ click_and_drag(tool, start=(x0, y0), end=(x1, y1))
+ assert not tool._selection_completed
+ assert ax._n_onselect == 2
+ assert ax._epress.xdata == x0
+ assert ax._epress.ydata == y0
+ assert ax._erelease.xdata == x1
+ assert ax._erelease.ydata == y1
+
+
@pytest.mark.parametrize('drag_from_anywhere, new_center',
[[True, (60, 75)],
[False, (30, 20)]])
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