nodejs/test/parallel/test-vm-module-reevaluate.js

47 lines
950 B
JavaScript

'use strict';
// Flags: --experimental-vm-modules
const common = require('../common');
const assert = require('assert');
const { SourceTextModule } = require('vm');
const finished = common.mustCall();
(async function main() {
{
const m = new SourceTextModule('1');
await m.link(common.mustNotCall());
assert.strictEqual((await m.evaluate()).result, 1);
assert.strictEqual((await m.evaluate()).result, undefined);
assert.strictEqual((await m.evaluate()).result, undefined);
}
{
const m = new SourceTextModule('throw new Error()');
await m.link(common.mustNotCall());
let threw = false;
try {
await m.evaluate();
} catch (err) {
assert(err instanceof Error);
threw = true;
}
assert(threw);
threw = false;
try {
await m.evaluate();
} catch (err) {
assert(err instanceof Error);
threw = true;
}
assert(threw);
}
finished();
})();