148 lines
3.5 KiB
C#
148 lines
3.5 KiB
C#
//
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// DecoderTest.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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// (C) 2006 Novell, Inc.
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//
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using NUnit.Framework;
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using System;
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using System.Text;
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namespace MonoTests.System.Text
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{
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[TestFixture]
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public class DecoderTest
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{
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void ConvertNullChars ()
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{
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int charsUsed, bytesUsed;
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bool done;
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Encoding.UTF8.GetDecoder ().Convert (
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null, 0, 100, new char [100], 0, 100, false,
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out charsUsed, out bytesUsed, out done);
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}
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[Test]
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[ExpectedException (typeof (ArgumentNullException))]
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public void ConvertNullBytes ()
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{
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int charsUsed, bytesUsed;
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bool done;
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Encoding.UTF8.GetDecoder ().Convert (
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new byte [100], 0, 100, null, 0, 100, false,
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out charsUsed, out bytesUsed, out done);
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}
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[Test]
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public void ConvertLimitedDestination ()
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{
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char [] chars = new char [10000];
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byte [] bytes = new byte [10000];
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Decoder conv = new ExposedDecoder ();
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int charsUsed, bytesUsed;
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bool done;
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conv.Convert (bytes, 0, 10000, chars, 0, 1000, true,
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out charsUsed, out bytesUsed, out done);
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Assert.IsFalse (done, "#1");
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Assert.AreEqual (625, charsUsed, "#2");
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Assert.AreEqual (625, bytesUsed, "#3");
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}
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[Test]
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public void ConvertLimitedDestinationUTF8 ()
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{
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char [] chars = new char [10000];
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byte [] bytes = new byte [10000];
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Decoder conv = Encoding.UTF8.GetDecoder ();
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int charsUsed, bytesUsed;
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bool done;
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conv.Convert (bytes, 0, 10000, chars, 0, 1000, true,
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out charsUsed, out bytesUsed, out done);
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Assert.IsFalse (done, "#1");
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Assert.AreEqual (1000, charsUsed, "#2");
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Assert.AreEqual (1000, bytesUsed, "#3");
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}
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[Test]
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public void CustomEncodingGetDecoder ()
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{
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var encoding = new CustomEncoding ();
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var decoder = encoding.GetDecoder ();
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Assert.IsNotNull (decoder);
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}
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class ExposedDecoder : Decoder {
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public override int GetCharCount (byte [] bytes, int index, int count)
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{
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return Encoding.UTF8.GetDecoder ().GetCharCount (bytes, index, count);
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}
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public override int GetChars (byte [] bytes, int byteIndex, int byteCount, char [] chars, int charIndex)
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{
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return Encoding.UTF8.GetDecoder ().GetChars (bytes, byteIndex, byteCount, chars, charIndex);
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}
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}
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class CustomEncoding : Encoding {
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public override int GetByteCount (char [] chars, int index, int count)
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{
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throw new NotSupportedException ();
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}
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public override int GetBytes (char [] chars, int charIndex, int charCount, byte [] bytes, int byteIndex)
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{
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throw new NotSupportedException ();
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}
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public override int GetCharCount (byte [] bytes, int index, int count)
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{
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throw new NotSupportedException ();
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}
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public override int GetChars (byte [] bytes, int byteIndex, int byteCount, char [] chars, int charIndex)
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{
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throw new NotSupportedException ();
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}
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public override int GetMaxByteCount (int charCount)
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{
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throw new NotSupportedException ();
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}
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public override int GetMaxCharCount (int byteCount)
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{
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throw new NotSupportedException ();
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}
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}
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[Test]
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public void Bug10789 ()
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{
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byte[] bytes = new byte[100];
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char[] chars = new char[100];
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Decoder conv = Encoding.UTF8.GetDecoder ();
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int charsUsed, bytesUsed;
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bool completed;
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conv.Convert (bytes, 0, 0, chars, 100, 0, false, out bytesUsed, out charsUsed, out completed);
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Assert.IsTrue (completed, "#1");
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Assert.AreEqual (0, charsUsed, "#2");
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Assert.AreEqual (0, bytesUsed, "#3");
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}
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}
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}
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