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From: Lee T. (JIRA) <nh...@gm...> - 2011-04-19 07:56:26
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First/FirstOrDefault Doesn't Work
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Key: NH-2656
URL: http://216.121.112.228/browse/NH-2656
Project: NHibernate
Issue Type: Bug
Components: Linq Provider
Affects Versions: 3.1.0
Reporter: Lee Timmins
I have the following tests:
[TestMethod]
public void First() {
var result = _session.Query<Post>()
.OrderBy(p => p.Date)
.First(p => p.Comments.Count == 1);
Assert.AreEqual(1, result.PostID);
}
[TestMethod]
public void FirstOrDefault() {
var result = _session.Query<Post>()
.OrderBy(p => p.Date)
.FirstOrDefault(p => p.Comments.Count == 1);
var result2 = _session.Query<Post>()
.OrderBy(p => p.Date)
.FirstOrDefault(p => p.Comments.Count == 10);
Assert.AreEqual(1, result.PostID);
Assert.IsNull(result2);
}
They both worked fine in the old Linq provider (changing Query to Linq) but in version 3.1 it throws the error:
Test method NHibernate3_1.UnitTest.First(OrDefault) threw exception:
System.InvalidOperationException: Sequence contains no elements
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