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// Test that Debugger.Memory.prototype.takeCensus finds GC roots that are on the
// stack.
var g = newGlobal({newCompartment: true});
var dbg = new Debugger(g);
g.eval(`
function withAllocationMarkerOnStack(f) {
(function () {
var onStack = allocationMarker();
f();
return onStack; // To prevent the JIT from optimizing out onStack.
}())
}
`);
assertEq("AllocationMarker" in dbg.memory.takeCensus().objects, false,
"There shouldn't exist any allocation markers in the census.");
var allocationMarkerCount;
g.withAllocationMarkerOnStack(() => {
allocationMarkerCount = dbg.memory.takeCensus().objects.AllocationMarker.count;
});
assertEq(allocationMarkerCount, 1,
"Should have one allocation marker in the census, because there " +
"was one on the stack.");
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