| // 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); |
| } |