tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Memory-drainAllocationsLog-08.js (1038B)

      1 // Test retrieving the log multiple times.
      2 
      3 const root = newGlobal({newCompartment: true});
      4 const dbg = new Debugger();
      5 dbg.addDebuggee(root)
      6 
      7 root.eval([
      8  "this.allocs = [];",
      9  "this.doFirstAlloc = " + function () {
     10    this.allocs.push({});           this.firstAllocLine = Error().lineNumber;
     11  },
     12  "this.doSecondAlloc = " + function () {
     13    this.allocs.push(new Object()); this.secondAllocLine = Error().lineNumber;
     14  }
     15 ].join("\n"));
     16 
     17 dbg.memory.trackingAllocationSites = true;
     18 
     19 root.doFirstAlloc();
     20 let allocs1 = dbg.memory.drainAllocationsLog();
     21 root.doSecondAlloc();
     22 let allocs2 = dbg.memory.drainAllocationsLog();
     23 
     24 let allocs1Lines = allocs1.filter(x => !!x.frame).map(x => x.frame.line);
     25 assertEq(allocs1Lines.indexOf(root.firstAllocLine) != -1, true);
     26 assertEq(allocs1Lines.indexOf(root.secondAllocLine) == -1, true);
     27 
     28 let allocs2Lines = allocs2.filter(x => !!x.frame).map(x => x.frame.line);
     29 assertEq(allocs2Lines.indexOf(root.secondAllocLine) != -1, true);
     30 assertEq(allocs2Lines.indexOf(root.firstAllocLine) == -1, true);