Memory-drainAllocationsLog-01.js

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// Test basic usage of drainAllocationsLog()

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

const dbg = new Debugger();

const wrappedRoot = dbg.addDebuggee(root)

dbg.memory.trackingAllocationSites = true;

root.eval("(" + function immediate() {

  this.tests = [

    {x: 1},

[],

    /(two|2)\s*problems/,

    new function Ctor(){},

    new Object(),

    new Array(),

    new Date(),

];

} + "());");

const allocs = dbg.memory.drainAllocationsLog();

print(allocs.join("\n--------------------------------------------------------------------------\n"));

print("Total number of allocations logged: " + allocs.length);

let idx = -1;

for (let object of root.tests) {

  let wrappedObject = wrappedRoot.makeDebuggeeValue(object);

  let allocSite = wrappedObject.allocationSite;

  let newIdx = allocs.map(x => x.frame).indexOf(allocSite);

  assertEq(newIdx > idx, true);

  idx = newIdx;