Memory-allocationsLogOverflowed-01.js

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// Test basic usage of `Debugger.Memory.prototype.allocationsLogOverflowed`.

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

const dbg = new Debugger(root);

dbg.memory.trackingAllocationSites = true;

dbg.memory.maxAllocationsLogLength = 1;

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

  // Allocate more than the max log length.

  this.objs = [{}, {}, {}, {}];

} + "());");

// The log should have overflowed.

assertEq(dbg.memory.allocationsLogOverflowed, true);

// Once drained, the flag should be reset.

const allocs = dbg.memory.drainAllocationsLog();

assertEq(dbg.memory.allocationsLogOverflowed, false);

// If we keep allocations under the max log length, then we shouldn't have

// overflowed.

dbg.memory.maxAllocationsLogLength = 10000;

root.eval("this.objs = [{}, {}, {}, {}];");

assertEq(dbg.memory.allocationsLogOverflowed, false);