577 lines
16 KiB
Rust
577 lines
16 KiB
Rust
use dust_lang::*;
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#[test]
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fn add() {
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let source = "1 + 2";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(
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*Instruction::add(0, 0, 1)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(2, 3)
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),
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(Instruction::r#return(true), Span(5, 5))
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],
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vec![Value::integer(1), Value::integer(2)],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(3))));
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}
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#[test]
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fn add_assign() {
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let source = "let mut a = 1; a += 2; a";
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assert_eq!(
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parse(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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(*Instruction::add(0, 0, 2).set_c_is_constant(), Span(17, 19)),
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(Instruction::get_local(1, 0), Span(23, 24)),
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(Instruction::r#return(true), Span(24, 24))
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],
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vec![Value::integer(1), Value::string("a"), Value::integer(2)],
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vec![Local::new(1, None, true, 0, 0)]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(3))));
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}
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#[test]
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fn constant() {
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let source = "42";
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assert_eq!(
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parse(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(0, 2)),
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(Instruction::r#return(true), Span(2, 2))
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],
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vec![Value::integer(42)],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(42))));
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}
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#[test]
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fn define_local() {
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let source = "let x = 42;";
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assert_eq!(
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parse(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(8, 10)),
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(Instruction::define_local(0, 0, false), Span(4, 5)),
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(Instruction::r#return(false), Span(11, 11))
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],
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vec![Value::integer(42), Value::string("x")],
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vec![Local::new(1, None, false, 0, 0)]
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)),
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);
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assert_eq!(run(source), Ok(None));
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}
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#[test]
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fn divide() {
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let source = "2 / 2";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(
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*Instruction::divide(0, 0, 0)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(2, 3)
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),
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(Instruction::r#return(true), Span(5, 5))
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],
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vec![Value::integer(2)],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(1))));
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}
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#[test]
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fn divide_assign() {
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let source = "let mut a = 2; a /= 2; a";
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assert_eq!(
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parse(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::divide(0, 0, 0).set_c_is_constant(),
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Span(17, 19)
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),
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(Instruction::get_local(1, 0), Span(23, 24)),
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(Instruction::r#return(true), Span(24, 24))
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],
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vec![Value::integer(2), Value::string("a")],
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vec![Local::new(1, None, true, 0, 0)]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(1))));
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}
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#[test]
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fn empty() {
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let source = "";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![(Instruction::r#return(false), Span(0, 0))],
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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(None));
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}
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#[test]
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fn empty_list() {
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let source = "[]";
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assert_eq!(
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parse(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_list(0, 0, 0), Span(0, 2)),
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(Instruction::r#return(true), Span(2, 2)),
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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::list(0, 0, Type::Any))));
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}
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#[test]
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fn list() {
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let source = "[1, 2, 3]";
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assert_eq!(
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parse(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(1, 2)),
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(Instruction::load_constant(1, 1, false), Span(4, 5)),
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(Instruction::load_constant(2, 2, false), Span(7, 8)),
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(Instruction::load_list(3, 0, 2), Span(0, 9)),
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(Instruction::r#return(true), Span(9, 9)),
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],
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vec![Value::integer(1), Value::integer(2), Value::integer(3),],
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vec![]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::list(0, 2, Type::Integer))));
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}
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#[test]
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fn list_with_complex_expression() {
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let source = "[1, 2 + 3 - 4 * 5]";
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assert_eq!(
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parse(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(1, 2)),
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(
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*Instruction::add(1, 1, 2)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(6, 7)
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),
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(
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*Instruction::multiply(2, 3, 4)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(14, 15)
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),
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(Instruction::subtract(3, 1, 2), Span(10, 11)),
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(Instruction::close(1, 3), Span(17, 18)),
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(Instruction::load_list(4, 0, 3), Span(0, 18)),
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(Instruction::r#return(true), Span(18, 18)),
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],
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vec![
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Value::integer(1),
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Value::integer(2),
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Value::integer(3),
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Value::integer(4),
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Value::integer(5)
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],
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vec![]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::list(0, 3, Type::Integer))));
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}
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#[test]
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fn list_with_simple_expression() {
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let source = "[1, 2 + 3, 4]";
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assert_eq!(
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parse(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(1, 2)),
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(
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*Instruction::add(1, 1, 2)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(6, 7)
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),
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(Instruction::load_constant(2, 3, false), Span(11, 12)),
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(Instruction::load_list(3, 0, 2), Span(0, 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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Value::integer(1),
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Value::integer(2),
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Value::integer(3),
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Value::integer(4),
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],
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vec![]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::list(0, 2, Type::Integer))));
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}
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#[test]
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fn math_operator_precedence() {
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let source = "1 + 2 - 3 * 4 / 5";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(
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*Instruction::add(0, 0, 1)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(2, 3)
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),
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(
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*Instruction::multiply(1, 2, 3)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(10, 11)
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),
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(
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*Instruction::divide(2, 1, 4).set_c_is_constant(),
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Span(14, 15)
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),
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(Instruction::subtract(3, 0, 2), Span(6, 7)),
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(Instruction::r#return(true), Span(17, 17)),
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],
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vec![
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Value::integer(1),
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Value::integer(2),
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Value::integer(3),
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Value::integer(4),
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Value::integer(5),
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],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(1))));
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}
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#[test]
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fn multiply() {
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let source = "1 * 2";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(
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*Instruction::multiply(0, 0, 1)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(2, 3)
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),
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(Instruction::r#return(true), Span(5, 5)),
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],
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vec![Value::integer(1), Value::integer(2)],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(2))));
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}
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#[test]
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fn multiply_assign() {
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let source = "let mut a = 2; a *= 3 a";
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assert_eq!(
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parse(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::multiply(0, 0, 2).set_c_is_constant(),
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Span(17, 19)
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),
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(Instruction::get_local(1, 0), Span(22, 23)),
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(Instruction::r#return(true), Span(23, 23))
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],
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vec![Value::integer(2), Value::string("a"), Value::integer(3)],
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vec![Local::new(1, None, true, 0, 0),]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(6))));
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}
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#[test]
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fn negate() {
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let source = "-(42)";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(*Instruction::negate(0, 0).set_b_is_constant(), Span(0, 1)),
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(Instruction::r#return(true), Span(5, 5)),
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],
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vec![Value::integer(42)],
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vec![]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::integer(-42))));
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}
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#[test]
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fn not() {
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let source = "!true";
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assert_eq!(
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parse(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(1, 5)),
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(Instruction::not(1, 0), Span(0, 1)),
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(Instruction::r#return(true), Span(5, 5)),
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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 parentheses_precedence() {
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let source = "(1 + 2) * 3";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(
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*Instruction::add(0, 0, 1)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(3, 4)
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),
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(
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*Instruction::multiply(1, 0, 2).set_c_is_constant(),
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Span(8, 9)
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),
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(Instruction::r#return(true), Span(11, 11)),
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],
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vec![Value::integer(1), Value::integer(2), Value::integer(3)],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(9))));
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}
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#[test]
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fn set_local() {
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let source = "let mut x = 41; x = 42; x";
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assert_eq!(
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parse(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, 14)),
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(Instruction::define_local(0, 0, true), Span(8, 9)),
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(Instruction::load_constant(1, 2, false), Span(20, 22)),
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(Instruction::set_local(1, 0), Span(16, 17)),
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(Instruction::get_local(2, 0), Span(24, 25)),
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(Instruction::r#return(true), Span(25, 25)),
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],
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vec![Value::integer(41), Value::string("x"), Value::integer(42)],
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vec![Local::new(1, None, true, 0, 0)]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::integer(42))));
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}
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#[test]
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fn subtract() {
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let source = "1 - 2";
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assert_eq!(
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parse(source),
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Ok(Chunk::with_data(
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None,
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vec![
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(
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*Instruction::subtract(0, 0, 1)
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.set_b_is_constant()
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.set_c_is_constant(),
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Span(2, 3)
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),
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(Instruction::r#return(true), Span(5, 5)),
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],
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vec![Value::integer(1), Value::integer(2)],
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vec![]
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))
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);
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assert_eq!(run(source), Ok(Some(Value::integer(-1))));
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}
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#[test]
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fn subtract_assign() {
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let source = "let mut x = 42; x -= 2; x";
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assert_eq!(
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parse(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, 14)),
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(Instruction::define_local(0, 0, true), Span(8, 9)),
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(
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*Instruction::subtract(0, 0, 2).set_c_is_constant(),
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Span(18, 20)
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),
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(Instruction::get_local(1, 0), Span(24, 25)),
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(Instruction::r#return(true), Span(25, 25)),
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],
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vec![Value::integer(42), Value::string("x"), Value::integer(2)],
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vec![Local::new(1, None, true, 0, 0)]
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)),
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);
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assert_eq!(run(source), Ok(Some(Value::integer(40))));
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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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|
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assert_eq!(
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parse(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, 0, 0),
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Local::new(1, None, false, 0, 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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|
|
#[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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|
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assert_eq!(
|
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parse(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)),
|
|
(Instruction::jump(3, false), Span(41, 42)),
|
|
(Instruction::get_local(1, 0), Span(41, 42)),
|
|
(Instruction::r#return(true), Span(42, 42)),
|
|
],
|
|
vec![
|
|
Value::integer(0),
|
|
Value::string("x"),
|
|
Value::integer(5),
|
|
Value::integer(1),
|
|
],
|
|
vec![Local::new(1, None, true, 0, 0),]
|
|
)),
|
|
);
|
|
|
|
assert_eq!(run(source), Ok(Some(Value::integer(5))));
|
|
}
|