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diff --git a/tests/modeltests/datatypes/__init__.py b/tests/modeltests/datatypes/__init__.py
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index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/modeltests/datatypes/__init__.py
diff --git a/tests/modeltests/datatypes/models.py b/tests/modeltests/datatypes/models.py
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+++ b/tests/modeltests/datatypes/models.py
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+"""
+1. Simple data types testing.
+
+This is a basic model to test saving and loading boolean and date-related
+types, which in the past were problematic for some database backends.
+"""
+
+from django.db import models
+
+class Donut(models.Model):
+    name = models.CharField(maxlength=100)
+    is_frosted = models.BooleanField(default=False)
+    has_sprinkles = models.NullBooleanField()
+    baked_date = models.DateField(null=True)
+    baked_time = models.TimeField(null=True)
+    consumed_at = models.DateTimeField(null=True)
+
+    class Meta:
+        ordering = ('consumed_at',)
+
+    def __str__(self):
+        return self.name
+
+__test__ = {'API_TESTS': """
+# No donuts are in the system yet.
+>>> Donut.objects.all()
+[]
+
+>>> d = Donut(name='Apple Fritter')
+
+# Ensure we're getting True and False, not 0 and 1
+>>> d.is_frosted
+False
+>>> d.has_sprinkles
+>>> d.has_sprinkles = True
+>>> d.has_sprinkles
+True
+>>> d.save()
+>>> d2 = Donut.objects.all()[0]
+>>> d2
+<Donut: Apple Fritter>
+>>> d2.is_frosted
+False
+>>> d2.has_sprinkles
+True
+
+>>> import datetime
+>>> d2.baked_date = datetime.date(year=1938, month=6, day=4)
+>>> d2.baked_time = datetime.time(hour=5, minute=30)
+>>> d2.consumed_at = datetime.datetime(year=2007, month=4, day=20, hour=16, minute=19, second=59)
+>>> d2.save()
+
+>>> d3 = Donut.objects.all()[0]
+>>> d3.baked_date
+datetime.date(1938, 6, 4)
+>>> d3.baked_time
+datetime.time(5, 30)
+>>> d3.consumed_at
+datetime.datetime(2007, 4, 20, 16, 19, 59)
+"""}