40 lines
1.4 KiB
C#
40 lines
1.4 KiB
C#
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using CanonSharp.Combinator;
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using CanonSharp.Combinator.Abstractions;
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using CanonSharp.Common.Scanner;
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namespace CanonSharp.Tests.Utils;
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public abstract class LexicalTestBase
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{
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protected static void ValidateSuccessfulParser(Parser<char, LexicalToken> parser, LexicalTokenType exceptedType,
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string literalValue, string input)
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{
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StringReadState state = new(input);
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ParseResult<char, LexicalToken> result = parser.Parse(state);
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Assert.Equal(exceptedType, result.Value.TokenType);
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Assert.Equal(literalValue, result.Value.LiteralValue);
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}
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protected static void ValidateFailedParser(Parser<char, LexicalToken> parser, string input)
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{
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StringReadState state = new(input);
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ParseResult<char, LexicalToken> result = parser.Parse(state);
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Assert.ThrowsAny<ParseException>(() => result.Value);
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}
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protected static void ValidateLexicalTokens(Parser<char, IEnumerable<LexicalToken>> parser, string input,
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IEnumerable<(LexicalTokenType, string)> exceptedResult)
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{
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StringReadState state = new(input);
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ParseResult<char, IEnumerable<LexicalToken>> result = parser.Parse(state);
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foreach (((LexicalTokenType exceptedType, string exceptedValue), LexicalToken token) in exceptedResult.Zip(
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result.Value))
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{
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Assert.Equal(exceptedType, token.TokenType);
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Assert.Equal(exceptedValue, token.LiteralValue);
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}
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}
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}
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