1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
// Test that we can track allocation sites by setting
// Debugger.Memory.prototype.trackingAllocationSites to true and then get the
// allocation site via Debugger.Object.prototype.allocationSite.
const root = newGlobal();
const dbg = new Debugger();
const wrappedRoot = dbg.addDebuggee(root);
assertEq(dbg.memory.trackingAllocationSites, false);
dbg.memory.trackingAllocationSites = true;
assertEq(dbg.memory.trackingAllocationSites, true);
root.eval("(" + function immediate() {
this.tests = [
{ name: "object literal", object: ({}), line: Error().lineNumber },
{ name: "array literal", object: [], line: Error().lineNumber },
{ name: "regexp literal", object: /(two|2)\s*problems/, line: Error().lineNumber },
{ name: "new constructor", object: new function Ctor(){}, line: Error().lineNumber },
{ name: "new Object", object: new Object(), line: Error().lineNumber },
{ name: "new Array", object: new Array(), line: Error().lineNumber },
{ name: "new Date", object: new Date(), line: Error().lineNumber }
];
} + "());");
dbg.memory.trackingAllocationSites = false;
assertEq(dbg.memory.trackingAllocationSites, false);
for (let { name, object, line } of root.tests) {
print("Entering test: " + name);
let wrappedObject = wrappedRoot.makeDebuggeeValue(object);
let allocationSite = wrappedObject.allocationSite;
print("Allocation site: " + allocationSite);
assertEq(allocationSite.line, line);
}
|
