Script-isFunction.js

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// Script.isFunction should do what it is supposed to do.

const g = newGlobal({newCompartment: true});

const dbg = new Debugger;

dbg.addDebuggee(g);

let gNumFunctionScripts = 0;

function countFunctionScripts(script) {

  if (script.isFunction) {

    gNumFunctionScripts++;

  return script.getChildScripts().forEach(countFunctionScripts);

dbg.onNewScript = countFunctionScripts;

g.eval(`

function f() {

  function f2() {}

async function g() {}

function* h() {}

`);

assertEq(gNumFunctionScripts, 4);