module-this.js - mozsearch

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// |jit-test|

// Test 'this' is undefined in modules.

function parseAndEvaluate(source) {

    let m = parseModule(source);

    moduleLink(m);

    return moduleEvaluate(m);

parseAndEvaluate("this")

  .then(value => assertEq(typeof(value), "undefined"))

  .catch(error => {

    // We shouldn't throw in this case.

    assertEq(false, true)

});

let m = parseModule("export function getThis() { return this; }");

moduleLink(m);

moduleEvaluate(m)

  .then(() => {

    let f = getModuleEnvironmentValue(m, "getThis");

    assertEq(typeof(f()), "undefined");

});

drainJobQueue();