[backlinq commit] r274 - trunk/test/BackLINQ.Tests

[codesite...@google.com]

Author: azizatif
Date: Mon Jan 26 07:40:50 2009
New Revision: 274

Modified:
trunk/test/BackLINQ.Tests/EnumerableFixture.cs

Log:
Reviewed tests for ToLookup operator.

Modified: trunk/test/BackLINQ.Tests/EnumerableFixture.cs
==============================================================================
--- trunk/test/BackLINQ.Tests/EnumerableFixture.cs (original)
+++ trunk/test/BackLINQ.Tests/EnumerableFixture.cs Mon Jan 26 07:40:50 2009
@@ -1872,34 +1872,47 @@
}

[Test]
- public void
ToLookup_KeySelectorArg_Strings_ReturnsLookupArrayWithStringLengthAsKey()
+ public void ToLookup_KeySelectorArg_Strings_StringsByLength()
{
var source = Read("eagle", "dog", "cat", "bird", "camel");
- var result = source.ToLookup(s => s.Length);
+ var lookup = source.ToLookup(s => s.Length);

- result[3].AssertEquals("dog", "cat");
- result[4].AssertEquals("bird");
- result[5].AssertEquals("eagle", "camel");
+ Assert.That(lookup.Count, Is.EqualTo(3));
+
+ Assert.That(lookup.Contains(3), Is.True);
+ lookup[3].AssertEquals("dog", "cat");
+
+ Assert.That(lookup.Contains(4), Is.True);
+ lookup[4].AssertEquals("bird");
+
+ Assert.That(lookup.Contains(5), Is.True);
+ lookup[5].AssertEquals("eagle", "camel");
}

[Test]
- public void
ToLookup_KeySelectorArgElementSelectorArg_Strings_ElementSelectorIsUsed()
+ public void
ToLookup_KeySelectorArgElementSelectorArg_Strings_ProjecetedStringsByLength()
{
var source = Read("eagle", "dog", "cat", "bird", "camel");
- var result = source.ToLookup(s => s.Length, str =>
str.ToCharArray().Reverse());
- var enumerator = result[3].GetEnumerator();
- enumerator.MoveNext();
Assert.That(enumerator.Current.ToString(),
Is.EqualTo("dog".ToCharArray().Reverse().ToString()));
- enumerator.MoveNext();
Assert.That(enumerator.Current.ToString(),
Is.EqualTo("cat".ToCharArray().Reverse().ToString()));
- Assert.That(enumerator.MoveNext(), Is.False);
-
- enumerator = result[4].GetEnumerator();
- enumerator.MoveNext();
Assert.That(enumerator.Current.ToString(),
Is.EqualTo("bird".ToCharArray().Reverse().ToString()));
- Assert.That(enumerator.MoveNext(), Is.False);
-
- enumerator = result[5].GetEnumerator();
- enumerator.MoveNext();
Assert.That(enumerator.Current.ToString(),
Is.EqualTo("eagle".ToCharArray().Reverse().ToString()));
- enumerator.MoveNext();
Assert.That(enumerator.Current.ToString(),
Is.EqualTo("camel".ToCharArray().Reverse().ToString()));
- Assert.That(enumerator.MoveNext(), Is.False);
+ var lookup = source.ToLookup(s => s.Length, str =>
str.ToUpperInvariant());
+
+ Assert.That(lookup.Count, Is.EqualTo(3));
+
+ Assert.That(lookup.Contains(3), Is.True);
+ var e = lookup[3].GetEnumerator();
+ e.MoveNext(); Assert.That(e.Current, Is.EqualTo("DOG"));
+ e.MoveNext(); Assert.That(e.Current, Is.EqualTo("CAT"));
+ Assert.That(e.MoveNext(), Is.False);
+
+ Assert.That(lookup.Contains(4), Is.True);
+ e = lookup[4].GetEnumerator();
+ e.MoveNext(); Assert.That(e.Current, Is.EqualTo("BIRD"));
+ Assert.That(e.MoveNext(), Is.False);
+
+ Assert.That(lookup.Contains(5), Is.True);
+ e = lookup[5].GetEnumerator();
+ e.MoveNext(); Assert.That(e.Current, Is.EqualTo("EAGLE"));
+ e.MoveNext(); Assert.That(e.Current, Is.EqualTo("CAMEL"));
+ Assert.That(e.MoveNext(), Is.False);
}

[Test]