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, TestAction};
use indoc::indoc;

#[test]
fn promise() {
    run_test_actions([
        TestAction::run(indoc! {r#"
                    let count = 0;
                    const promise = new Promise((resolve, reject) => {
                        count += 1;
                        resolve(undefined);
                    }).then((_) => (count += 1));
                    count += 1;
                "#}),
        TestAction::assert_eq("count", 2),
        #[allow(clippy::redundant_closure_for_method_calls)]
        TestAction::inspect_context(|ctx| ctx.run_jobs()),
        TestAction::assert_eq("count", 3),
    ]);
}