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dust/dust-lang/tests/assignment_errors.rs

82 lines
1.8 KiB
Rust

use dust_lang::*;
#[test]
fn add_assign_expects_mutable_variable() {
let source = "1 += 2";
assert_eq!(
compile(source),
Err(DustError::Compile {
error: CompileError::ExpectedMutableVariable {
found: Token::Integer("1").to_owned(),
position: Span(0, 1)
},
source
})
);
}
#[test]
fn divide_assign_expects_mutable_variable() {
let source = "1 -= 2";
assert_eq!(
compile(source),
Err(DustError::Compile {
error: CompileError::ExpectedMutableVariable {
found: Token::Integer("1").to_owned(),
position: Span(0, 1)
},
source
})
);
}
#[test]
fn multiply_assign_expects_mutable_variable() {
let source = "1 *= 2";
assert_eq!(
compile(source),
Err(DustError::Compile {
error: CompileError::ExpectedMutableVariable {
found: Token::Integer("1").to_owned(),
position: Span(0, 1)
},
source
})
);
}
#[test]
fn subtract_assign_expects_mutable_variable() {
let source = "1 -= 2";
assert_eq!(
compile(source),
Err(DustError::Compile {
error: CompileError::ExpectedMutableVariable {
found: Token::Integer("1").to_owned(),
position: Span(0, 1)
},
source
})
);
}
#[test]
fn modulo_assign_expects_mutable_variable() {
let source = "1 %= 2";
assert_eq!(
compile(source),
Err(DustError::Compile {
error: CompileError::ExpectedMutableVariable {
found: Token::Integer("1").to_owned(),
position: Span(0, 1)
},
source
})
);
}