85 lines
1.8 KiB
C#
85 lines
1.8 KiB
C#
//
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// TextWriterTest.cs
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//
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// Author:
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// William Holmes <billholmes54@gmail.com>
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//
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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.IO
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{
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[TestFixture]
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public class TextReaderTest
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{
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[Test]
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public void TestNullReader ()
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{
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Assert.IsNotNull (TextReader.Null);
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string name = TextReader.Null.GetType ().FullName;
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Assert.AreEqual ("System.IO.TextReader+NullTextReader", name);
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string linetest = TextReader.Null.ReadLine ();
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Assert.IsNull (linetest, "We expect null");
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string readtoendtest = TextReader.Null.ReadToEnd ();
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Assert.AreEqual (string.Empty, readtoendtest, "Expect an empty string." );
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int count = TextReader.Null.Read ();
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Assert.AreEqual (-1, count);
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}
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[Test]
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public void TestTextReaderReadLine() {
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using(var reader = new TestTextReader("abc\n\ndef\r\nghi")) {
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var line = reader.ReadLine();
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Assert.AreEqual("abc", line, "first line (\\n)");
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line = reader.ReadLine();
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Assert.AreEqual("", line, "second line (empty)");
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line = reader.ReadLine();
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Assert.AreEqual("def", line, "third line (\\r\\n)");
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line = reader.ReadLine();
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Assert.AreEqual("ghi", line, "fourth line (last)");
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line = reader.ReadLine();
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Assert.AreEqual(null, line, "eof");
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}
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}
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[Test]
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public void TestTextReaderReadToEnd() {
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using(var reader = new TestTextReader("abc\n\ndef\r\nghi")) {
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var contents = reader.ReadToEnd();
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Assert.AreEqual("abc\n\ndef\r\nghi", contents);
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}
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}
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private class TestTextReader : TextReader {
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TextReader reader;
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public TestTextReader(string text)
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{
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this.reader = new StringReader(text);
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}
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public override int Peek()
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{
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return reader.Peek();
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}
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public override int Read()
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{
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return reader.Read();
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}
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}
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}
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}
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