js/src/jit-test/tests/debug/Frame-live-01.js

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1 // |jit-test| debug
2 // Debugger.Frame.prototype.live is true for frames on the stack and false for
3 // frames that have returned
4
5 var desc = Object.getOwnPropertyDescriptor(Debugger.Frame.prototype, "live");
6 assertEq(typeof desc.get, "function");
7 assertEq(desc.set, undefined);
8 assertEq(desc.configurable, true);
9 assertEq(desc.enumerable, false);
10
11 var loc;
12
13 var g = newGlobal();
14 g.debuggeeGlobal = this;
15 g.eval("var hits = 0;");
16 g.eval("(" + function () {
17 var a = [];
18 var dbg = Debugger(debuggeeGlobal);
19 dbg.onDebuggerStatement = function (frame) {
20 var loc = debuggeeGlobal.loc;
21 a[loc] = frame;
22 for (var i = 0; i < a.length; i++) {
23 assertEq(a[i] === frame, i === loc);
24 assertEq(!!(a[i] && a[i].live), i >= loc);
25 }
26 hits++;
27 };
28 } + ")()");
29
30 function f(n) {
31 loc = n; debugger;
32 if (n !== 0) {
33 f(n - 1);
34 loc = n; debugger;
35 eval("f(n - 1);");
36 loc = n; debugger;
37 }
38 }
39
40 f(4);
41 assertEq(g.hits, 16 + 8*3 + 4*3 + 2*3 + 1*3);
42

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