114 lines
3.0 KiB
C#
114 lines
3.0 KiB
C#
//
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// EncoderReplacementFallback.cs
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//
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// Author:
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// Atsushi Enomoto <atsushi@ximian.com>
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//
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// Copyright (C) 2005 Novell, Inc. http://www.novell.com
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//
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using System;
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using System.IO;
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using System.Text;
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using NUnit.Framework;
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namespace MonoTests.System.Text
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{
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[TestFixture]
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public class EncoderReplacementFallbackTest
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{
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[Test]
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public void Defaults ()
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{
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EncoderReplacementFallback f =
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new EncoderReplacementFallback ();
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Assert.AreEqual ("?", f.DefaultString, "#1");
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Assert.AreEqual (1, f.MaxCharCount, "#2");
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f = new EncoderReplacementFallback (String.Empty);
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Assert.AreEqual (String.Empty, f.DefaultString, "#3");
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Assert.AreEqual (0, f.MaxCharCount, "#4");
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f = Encoding.UTF8.EncoderFallback as EncoderReplacementFallback;
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Assert.IsNotNull (f, "#5");
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Assert.AreEqual ("\uFFFD", f.DefaultString, "#6");
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Assert.AreEqual (1, f.MaxCharCount, "#7");
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// after beta2 this test became invalid.
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//f = new MyEncoding ().EncoderFallback as EncoderReplacementFallback;
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//Assert.IsNotNull (f, "#8");
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//Assert.AreEqual (String.Empty, f.DefaultString, "#9");
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//Assert.AreEqual (0, f.MaxCharCount, "#10");
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f = EncoderFallback.ReplacementFallback as EncoderReplacementFallback;
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Assert.AreEqual ("?", f.DefaultString, "#11");
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Assert.AreEqual (1, f.MaxCharCount, "#12");
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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public void DontChangeReadOnlyUTF8EncoderFallback ()
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{
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Encoding.UTF8.EncoderFallback =
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new EncoderReplacementFallback ();
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}
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[Test]
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public void DontChangeReadOnlyCodePageEncoderFallback ()
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{
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Encoding encoding = Encoding.GetEncoding (Encoding.Default.CodePage);
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try {
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encoding.EncoderFallback = new EncoderReplacementFallback ();
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Assert.Fail ("#1");
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} catch (InvalidOperationException ex) {
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Assert.AreEqual (typeof (InvalidOperationException), ex.GetType (), "#2");
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Assert.IsNull (ex.InnerException, "#3");
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Assert.IsNotNull (ex.Message, "#4");
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}
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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public void CustomEncodingSetEncoderFallback ()
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{
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new MyEncoding ().EncoderFallback =
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new EncoderReplacementFallback ();
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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public void EncodingSetNullEncoderFallback ()
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{
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Encoding.Default.EncoderFallback = null;
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}
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[Test]
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// Don't throw an exception
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public void SetEncoderFallback ()
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{
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Encoding.Default.GetEncoder ().Fallback =
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new EncoderReplacementFallback ();
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void EncoderSetNullFallback ()
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{
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Encoding.Default.GetEncoder ().Fallback = null;
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}
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[Test]
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public void Latin1Replacement ()
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// coz Latin1 is easy single byte encoding.
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{
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Encoding enc = Encoding.GetEncoding (28591); // Latin1
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byte [] reference = new byte [] {0x58, 0x58, 0x3F, 0x3F, 0x3F, 0x5A, 0x5A};
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byte [] bytes = enc.GetBytes ("XX\u3007\u4E00\u9780ZZ");
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Assert.AreEqual (reference, bytes, "#1");
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}
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}
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}
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