tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Object-makeDebuggeeValue-01.js (1608B)

      1 // Debugger.Object.prototype.makeDebuggeeValue creates only one
      2 // Debugger.Object instance for each debuggee object.
      3 
      4 var g = newGlobal({newCompartment: true});
      5 var dbg = new Debugger();
      6 var gw = dbg.addDebuggee(g);
      7 
      8 g.eval("var x = { 'now playing': 'Joy Division' };");
      9 g.eval("var y = { 'mood': 'bleak' };");
     10 
     11 wx = gw.makeDebuggeeValue(g.x);
     12 assertEq(wx, gw.makeDebuggeeValue(g.x));
     13 assertEq(wx === g.x, false);
     14 assertEq("now playing" in wx, false);
     15 assertEq(wx.getOwnPropertyNames().indexOf("now playing"), 0);
     16 wx.commentary = "deconstruction";
     17 assertEq("deconstruction" in g.x, false);
     18 
     19 wy = gw.makeDebuggeeValue(g.y);
     20 assertEq(wy === wx, false);
     21 wy.commentary = "reconstruction";
     22 assertEq(wx.commentary, "deconstruction");
     23 
     24 // Separate debuggers get separate Debugger.Object instances, but both
     25 // instances' referents are the same underlying object.
     26 var dbg2 = new Debugger();
     27 var gw2 = dbg2.addDebuggee(g);
     28 w2x = gw2.makeDebuggeeValue(g.x);
     29 assertEq(wx === w2x, false);
     30 w2x.defineProperty("breadcrumb", { value: "pumpernickel" });
     31 assertEq(wx.getOwnPropertyDescriptor("breadcrumb").value, "pumpernickel");
     32 
     33 // Non-objects are already debuggee values.
     34 assertEq(gw.makeDebuggeeValue("foonting turlingdromes"), "foonting turlingdromes");
     35 assertEq(gw.makeDebuggeeValue(true), true);
     36 assertEq(gw.makeDebuggeeValue(false), false);
     37 assertEq(gw.makeDebuggeeValue(null), null);
     38 assertEq(gw.makeDebuggeeValue(1729), 1729);
     39 assertEq(gw.makeDebuggeeValue(Math.PI), Math.PI);
     40 assertEq(gw.makeDebuggeeValue(undefined), undefined);
     41 var s = g.eval("Symbol('Stavromula Beta')");
     42 assertEq(gw.makeDebuggeeValue(s), s);