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path: root/test/parallel/test-vm-module-reevaluate.js
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'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();
})();