78 lines
2.3 KiB
Rust
78 lines
2.3 KiB
Rust
use dust_lang::*;
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#[test]
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fn and() {
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let source = "true && false";
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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_boolean(0, true, false), Span(0, 4)),
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(Instruction::test(0, false), Span(5, 7)),
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(Instruction::jump(1, true), Span(5, 7)),
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(Instruction::load_boolean(1, false, false), Span(8, 13)),
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(Instruction::r#return(true), Span(13, 13)),
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],
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vec![],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::boolean(false))));
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}
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#[test]
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fn or() {
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let source = "true || false";
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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_boolean(0, true, false), Span(0, 4)),
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(Instruction::test(0, true), Span(5, 7)),
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(Instruction::jump(1, true), Span(5, 7)),
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(Instruction::load_boolean(1, false, false), Span(8, 13)),
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(Instruction::r#return(true), Span(13, 13)),
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],
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vec![],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::boolean(true))));
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}
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#[test]
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fn variable_and() {
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let source = "let a = true; let b = false; a && b";
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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_boolean(0, true, false), Span(8, 12)),
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(Instruction::define_local(0, 0, false), Span(4, 5)),
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(Instruction::load_boolean(1, false, false), Span(22, 27)),
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(Instruction::define_local(1, 1, false), Span(18, 19)),
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(Instruction::get_local(2, 0), Span(29, 30)),
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(Instruction::test(2, false), Span(31, 33)),
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(Instruction::jump(1, true), Span(31, 33)),
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(Instruction::get_local(3, 1), Span(34, 35)),
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(Instruction::r#return(true), Span(35, 35)),
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],
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vec![Value::string("a"), Value::string("b"),],
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vec![
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Local::new(0, None, false, Scope::default(), 0),
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Local::new(1, None, false, Scope::default(), 1),
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]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::boolean(false))));
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}
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