36 lines
1.1 KiB
Rust
36 lines
1.1 KiB
Rust
use dust_lang::*;
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#[test]
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fn r#while() {
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let source = "let mut x = 0; while x < 5 { x = x + 1 } x";
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assert_eq!(
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compile(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(Instruction::load_constant(0, 0, false), Span(12, 13)),
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(Instruction::define_local(0, 0, true), Span(8, 9)),
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(
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*Instruction::less(true, 0, 2).set_c_is_constant(),
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Span(23, 24)
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),
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(Instruction::jump(2, true), Span(41, 42)),
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(*Instruction::add(0, 0, 3).set_c_is_constant(), Span(39, 40)),
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(Instruction::jump(3, false), Span(41, 42)),
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(Instruction::get_local(1, 0), Span(41, 42)),
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(Instruction::r#return(true), Span(42, 42)),
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],
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vec![
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Value::integer(0),
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Value::string("x"),
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Value::integer(5),
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Value::integer(1),
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],
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vec![Local::new(1, None, true, Scope::default(), 0),]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::integer(5))));
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}
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