The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/debug/Debugger-multi-02.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,32 @@
     1.4 +// Test adding hooks during dispatch. The behavior is deterministic and "nice",
     1.5 +// but mainly what we are checking here is that we do not crash due to
     1.6 +// modifying a data structure while we're iterating over it.
     1.7 +
     1.8 +var g = newGlobal();
     1.9 +var n = 0;
    1.10 +var hits;
    1.11 +
    1.12 +function addDebugger() {
    1.13 +    var dbg = new Debugger(g);
    1.14 +    dbg.onDebuggerStatement = function (stack) {
    1.15 +        hits++;
    1.16 +        addDebugger();
    1.17 +    };
    1.18 +}
    1.19 +
    1.20 +addDebugger();  // now there is one enabled Debugger
    1.21 +hits = 0;
    1.22 +g.eval("debugger;");  // after this there are two
    1.23 +assertEq(hits, 1);
    1.24 +
    1.25 +hits = 0;
    1.26 +g.eval("debugger;");  // after this there are four
    1.27 +assertEq(hits, 2);
    1.28 +
    1.29 +hits = 0;
    1.30 +g.eval("debugger;");  // after this there are eight
    1.31 +assertEq(hits, 4);
    1.32 +
    1.33 +hits = 0;
    1.34 +g.eval("debugger;");
    1.35 +assertEq(hits, 8);