boa_engine 0.17.0

Boa is a Javascript lexer, parser and compiler written in Rust. Currently, it has support for some of the language.
Documentation 
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use crate::{run_test_actions, JsNativeErrorKind, TestAction};
use indoc::indoc;

#[test]
fn let_is_block_scoped() {
    run_test_actions([TestAction::assert_native_error(
        indoc! {r#"
            {
              let bar = "bar";
            }
            bar;
        "#},
        JsNativeErrorKind::Reference,
        "bar is not defined",
    )]);
}

#[test]
fn const_is_block_scoped() {
    run_test_actions([TestAction::assert_native_error(
        indoc! {r#"
            {
            const bar = "bar";
            }
            bar;
        "#},
        JsNativeErrorKind::Reference,
        "bar is not defined",
    )]);
}

#[test]
fn var_not_block_scoped() {
    run_test_actions([TestAction::assert(indoc! {r#"
            {
              var bar = "bar";
            }
            bar == "bar";
        "#})]);
}

#[test]
fn functions_use_declaration_scope() {
    run_test_actions([TestAction::assert_native_error(
        indoc! {r#"
            function foo() {
                bar;
            }
            {
                let bar = "bar";
                foo();
            }
        "#},
        JsNativeErrorKind::Reference,
        "bar is not defined",
    )]);
}

#[test]
fn set_outer_var_in_block_scope() {
    run_test_actions([TestAction::assert(indoc! {r#"
            var bar;
            {
                bar = "foo";
            }
            bar == "foo";
        "#})]);
}

#[test]
fn set_outer_let_in_block_scope() {
    run_test_actions([TestAction::assert(indoc! {r#"
            let bar;
            {
                bar = "foo";
            }
            bar == "foo";
        "#})]);
}