36 lines
893 B
C#
36 lines
893 B
C#
using NUnit.Framework;
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namespace Lexer.Tests
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{
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[TestFixture]
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public class TestWindowShould
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{
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[Test]
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public void ReturnEofGivenEmptyText()
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{
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var sut = new TextWindow("");
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Assert.IsTrue(sut.IsEof());
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}
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[Test]
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public void ReturnNotEofGivenNonEmptyText()
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{
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var sut = new TextWindow("Text.");
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Assert.IsFalse(sut.IsEof());
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}
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[Test]
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public void ReturnCharsInCorrectOrder()
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{
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var text = "abc";
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var sut = new TextWindow(text);
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Assert.AreEqual('a', sut.PeekChar());
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sut.ConsumeChar();
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Assert.AreEqual('b', sut.PeekChar());
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sut.ConsumeChar();
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Assert.AreEqual('c', sut.PeekChar());
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sut.ConsumeChar();
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Assert.IsTrue(sut.IsEof());
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}
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}
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} |