113 lines
2.6 KiB
C#
113 lines
2.6 KiB
C#
// ComparerTest
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using System;
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using System.Collections;
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using System.Globalization;
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using System.Runtime.Serialization;
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using NUnit.Framework;
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namespace MonoTests.System.Collections {
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[TestFixture]
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public class ComparerTest {
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[Test]
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public void TestDefaultInstance ()
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{
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// Make sure the instance returned by Default
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// is really a Comparer.
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Assert.IsNotNull (Comparer.Default as Comparer);
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}
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[Test]
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public void TestCompare ()
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{
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Comparer c = Comparer.Default;
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Assert.IsTrue (c.Compare (1, 2) < 0, "1,2");
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Assert.IsTrue (c.Compare (2, 2) == 0, "2,2");
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Assert.IsTrue (c.Compare (3, 2) > 0, "3,2");
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void Compare_FirstIComparer ()
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{
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Assert.IsTrue (Comparer.Default.Compare (1, new object ()) > 0, "int,object");
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void Compare_SecondIComparer ()
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{
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Assert.IsTrue (Comparer.Default.Compare (new object (), 1) > 0, "object,int");
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}
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[Test]
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[ExpectedException (typeof (ArgumentException))]
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public void Compare_BothNonIComparer ()
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{
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Comparer.Default.Compare (new object (), new object ());
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}
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[Test]
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[Category ("ManagedCollator")]
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public void Invariant ()
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{
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Comparer c = Comparer.DefaultInvariant;
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Assert.IsTrue (c.Compare ("a", "A") < 0);
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}
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[Test]
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public void Invariant2 ()
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{
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Assert.IsTrue (CultureInfo.InvariantCulture.CompareInfo.Compare ("a", "A", CompareOptions.Ordinal) > 0);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void Constructor_Null ()
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{
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new Comparer (null);
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}
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[Test]
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[Category ("ManagedCollator")]
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public void Constructor ()
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{
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Comparer c = new Comparer (CultureInfo.InvariantCulture);
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Assert.IsTrue (c.Compare ("a", "A") < 0);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void GetObjectData_Null ()
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{
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Comparer c = Comparer.DefaultInvariant;
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c.GetObjectData (null, new StreamingContext ());
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}
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[Test]
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public void GetObjectData ()
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{
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Comparer c = Comparer.DefaultInvariant;
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SerializationInfo si = new SerializationInfo (typeof (Comparer), new FormatterConverter ());
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c.GetObjectData (si, new StreamingContext ());
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foreach (SerializationEntry se in si) {
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switch (se.Name) {
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case "CompareInfo":
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CompareInfo ci = (se.Value as CompareInfo);
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Assert.IsNotNull (ci, "CompareInfo");
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Assert.AreEqual (127, ci.LCID, "LCID");
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break;
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default:
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string msg = String.Format ("Unexpected {0} information of type {1} with value '{2}'.",
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se.Name, se.ObjectType, se.Value);
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Assert.Fail (msg);
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break;
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}
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}
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}
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}
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}
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