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24 lines
736 B
24 lines
736 B
6 years ago
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extern crate js;
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use js::syntax::ast::keyword::Keyword;
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use js::syntax::ast::punc::Punctuator;
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use js::syntax::ast::token::TokenData;
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use js::syntax::lexer::Lexer;
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#[test]
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/// Check basic variable definition tokens
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fn check_variable_definition_tokens() {
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let s = &String::from("let a = 'hello';");
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let mut lexer = Lexer::new(s);
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lexer.lex().expect("finished");
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assert_eq!(lexer.tokens[0].data, TokenData::Keyword(Keyword::Let));
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assert_eq!(lexer.tokens[1].data, TokenData::Identifier("a".to_string()));
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assert_eq!(
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lexer.tokens[2].data,
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TokenData::Punctuator(Punctuator::Assign)
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);
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assert_eq!(
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lexer.tokens[3].data,
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TokenData::StringLiteral("hello".to_string())
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);
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}
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