envChain_frame-eval-relazify.js

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// |jit-test| skip-if: isLcovEnabled()

function func(doEval) {

  if (doEval) {

    const dbg = this.newGlobal({sameZoneAs: {}}).Debugger({});

    dbg.getNewestFrame().eval(`

  function reaction() {

    // Access global variable to walk through the environment chain.

    return Map;

};

  Promise.resolve(1).then(reaction);

`);

assertEq(isLazyFunction(func), true);

assertEq(isRelazifiableFunction(func), false);

// Delazify here.

func(false);

// Delazified function should be marked relazifiable.

assertEq(isLazyFunction(func), false);

assertEq(isRelazifiableFunction(func), true);

// Perform Frame.prototype.eval

func(true);

// Frame.prototype.eval should mark the enclosing script non-relazifiable.

assertEq(isLazyFunction(func), false);

assertEq(isRelazifiableFunction(func), false);

// This shouldn't relazify `func`.

relazifyFunctions();

relazifyFunctions();

assertEq(isLazyFunction(func), false);

assertEq(isRelazifiableFunction(func), false);

// Execute the inner function to make sure the enclosing script is not lazy.

drainJobQueue();