122 lines
2.0 KiB
Rust
122 lines
2.0 KiB
Rust
use dust_lang::*;
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#[test]
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fn list_for_loop() {
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let result = interpret("for i in [1 2 3] { output(i) }");
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assert_eq!(Ok(Value::none()), result);
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}
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#[test]
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fn range_for_loop() {
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let result = interpret(
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"
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numbers = []
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for i in 1..3 {
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numbers += i
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}
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numbers
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",
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);
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assert_eq!(
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Ok(Value::List(List::with_items(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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]))),
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result
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);
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}
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#[test]
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fn modify_list() {
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let result = interpret(
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"
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list = []
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for i in [1 2 3] { list += i }
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list
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",
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);
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assert_eq!(
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Ok(Value::List(List::with_items(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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]))),
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result
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);
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}
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#[test]
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fn modify_map() {
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let result = interpret(
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"
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map = {}
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for i in [['x', 1] ['y', 2]] {
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map:(i:0) = i:1
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}
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map
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",
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);
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let mut map = Map::new();
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map.set("x".to_string(), Value::Integer(1));
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map.set("y".to_string(), Value::Integer(2));
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assert_eq!(Ok(Value::Map(map)), result);
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}
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#[test]
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fn do_not_modify_list_values() {
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let result = interpret(
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"
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list = [1 2 3]
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for i in list { i += i }
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list
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",
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);
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assert_eq!(
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Ok(Value::List(List::with_items(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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]))),
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result
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);
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}
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#[test]
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fn r#break() {
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let result = interpret(
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"
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list = []
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for i in [1 2 3] {
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if i > 2 {
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break
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} else {
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list += i
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}
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}
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list
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",
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);
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assert_eq!(
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Ok(Value::List(List::with_items(vec![
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Value::Integer(1),
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Value::Integer(2),
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]))),
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result
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);
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}
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