From 160829d35b54a97977bf8ce5588aa19b1cfc2b43 Mon Sep 17 00:00:00 2001
From: Claude Paroz <claude@2xlibre.net>
Date: Fri, 30 Mar 2018 11:55:33 +0200
Subject: [2.0.x] Fixed #29273 -- Prevented initial selection of empty choice
 in multiple choice widgets.

Regression in b52c73008a9d67e9ddbb841872dc15cdd3d6ee01.

Backport of f3b69f9757ec03057441ebbd52b7cdbfed31fb32 from master.
---
 tests/forms_tests/widget_tests/test_checkboxselectmultiple.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'tests/forms_tests/widget_tests/test_checkboxselectmultiple.py')

diff --git a/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py b/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py
index 239f80da47..1942d32970 100644
--- a/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py
+++ b/tests/forms_tests/widget_tests/test_checkboxselectmultiple.py
@@ -32,10 +32,12 @@ class CheckboxSelectMultipleTest(WidgetTest):
 
     def test_render_none(self):
         """
-        If the value is None, none of the options are selected.
+        If the value is None, none of the options are selected, even if the
+        choices have an empty option.
         """
-        self.check_html(self.widget(choices=self.beatles), 'beatles', None, html=(
+        self.check_html(self.widget(choices=(('', 'Unknown'),) + self.beatles), 'beatles', None, html=(
             """<ul>
+            <li><label><input type="checkbox" name="beatles" value="" /> Unknown</label></li>
             <li><label><input type="checkbox" name="beatles" value="J" /> John</label></li>
             <li><label><input type="checkbox" name="beatles" value="P" /> Paul</label></li>
             <li><label><input type="checkbox" name="beatles" value="G" /> George</label></li>
-- 
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