Canon/Canon.Tests/LexicalParserTests/CharacterTypeTests.cs

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using Canon.Core.Enums;
using Canon.Core.LexicalParser;
using Xunit.Abstractions;
using Canon.Core.Exceptions;
using Canon.Core.Abstractions;
using Canon.Tests.Utils;
namespace Canon.Tests.LexicalParserTests
{
public class CharacterTypeTests
{
private readonly ITestOutputHelper _testOutputHelper;
private readonly ILexer _lexer = new Lexer();
public CharacterTypeTests(ITestOutputHelper testOutputHelper)
{
_testOutputHelper = testOutputHelper;
}
[Theory]
[InlineData("'a'", "a")]
[InlineData("'Hello, World!'", "Hello, World!")]
public void TestCharacterType(string input, string? expectedResult)
{
IEnumerable<SemanticToken> tokensEnumerable = _lexer.Tokenize(new StringSourceReader(input));
List<SemanticToken> tokens = tokensEnumerable.ToList();
if (expectedResult == null)
{
Assert.Throws<LexemeException>(() => tokens);
}
else
{
_testOutputHelper.WriteLine(tokens[0].LiteralValue);
Assert.Equal(SemanticTokenType.Character, tokens[0].TokenType);
Assert.Equal(expectedResult, tokens[0].LiteralValue);
}
}
[Theory]
//[InlineData("'\\x'", 1, 2, LexemeException.LexemeErrorType.InvalidEscapeSequence)]
[InlineData("'This is an unclosed string literal", 1, 35, LexemeErrorType.UnclosedStringLiteral)]
[InlineData("'This", 1, 5, LexemeErrorType.UnclosedStringLiteral)]
[InlineData("x @", 1, 3, LexemeErrorType.UnknownCharacterOrString)]
//[InlineData("\"x\'", 1, 3, LexemeException.LexemeErrorType.UnclosedStringLiteral)]
public void TestParseCharacterError(string input, uint expectedLine, uint expectedCharPosition, LexemeErrorType expectedErrorType)
{
var ex = Assert.Throws<LexemeException>(() => _lexer.Tokenize(new StringSourceReader(input)).ToList());
_testOutputHelper.WriteLine(ex.ToString());
Assert.Equal(expectedErrorType, ex.ErrorType);
Assert.Equal(expectedLine, ex.Line);
Assert.Equal(expectedCharPosition, ex.CharPosition);
}
}
}