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-rw-r--r--tests/modeltests/basic/models.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/tests/modeltests/basic/models.py b/tests/modeltests/basic/models.py
index 2dbde58256..34bfc6a83e 100644
--- a/tests/modeltests/basic/models.py
+++ b/tests/modeltests/basic/models.py
@@ -211,6 +211,14 @@ True
>>> Article.objects.get(id__exact=8) == Article.objects.get(id__exact=7)
False
+# You can use 'in' to test for membership...
+>>> a8 in Article.objects.all()
+True
+
+# ... but there will often be more efficient ways if that is all you need:
+>>> Article.objects.filter(id=a8.id).exists()
+True
+
# dates() returns a list of available dates of the given scope for the given field.
>>> Article.objects.dates('pub_date', 'year')
[datetime.datetime(2005, 1, 1, 0, 0)]