83 lines
1.8 KiB
Rust
83 lines
1.8 KiB
Rust
use dust_lang::*;
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#[test]
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fn add_assign_expects_variable() {
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let source = "1 += 2";
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assert_eq!(
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parse(source),
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Err(DustError::Parse {
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error: ParseError::ExpectedMutableVariable {
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found: Token::Integer("1").to_owned(),
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position: Span(0, 1)
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},
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source
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})
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);
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}
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#[test]
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fn divide_assign_expects_variable() {
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let source = "1 -= 2";
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assert_eq!(
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parse(source),
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Err(DustError::Parse {
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error: ParseError::ExpectedMutableVariable {
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found: Token::Integer("1").to_owned(),
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position: Span(0, 1)
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},
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source
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})
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);
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}
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#[test]
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fn multiply_assign_expects_variable() {
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let source = "1 *= 2";
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assert_eq!(
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parse(source),
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Err(DustError::Parse {
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error: ParseError::ExpectedMutableVariable {
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found: Token::Integer("1").to_owned(),
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position: Span(0, 1)
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},
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source
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})
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);
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}
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#[test]
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fn subtract_assign_expects_variable() {
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let source = "1 -= 2";
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assert_eq!(
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parse(source),
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Err(DustError::Parse {
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error: ParseError::ExpectedMutableVariable {
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found: Token::Integer("1").to_owned(),
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position: Span(0, 1)
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},
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source
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})
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);
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}
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#[test]
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fn let_statement_expects_identifier() {
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let source = "let 1 = 2";
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assert_eq!(
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parse(source),
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Err(DustError::Parse {
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error: ParseError::ExpectedToken {
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expected: TokenKind::Identifier,
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found: Token::Integer("1").to_owned(),
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position: Span(4, 5)
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},
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source
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})
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);
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}
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