js/src/jit-test/tests/debug/Script-clearBreakpoint-03.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 // Clearing a breakpoint by handler can clear multiple breakpoints.
michael@0 2
michael@0 3 var g = newGlobal();
michael@0 4 var dbg = Debugger(g);
michael@0 5 var s;
michael@0 6 dbg.onDebuggerStatement = function (frame) {
michael@0 7 s = frame.eval("f").return.script;
michael@0 8 };
michael@0 9 g.eval("var line0 = Error().lineNumber;\n" +
michael@0 10 "function f(a, b) {\n" + // line0 + 1
michael@0 11 " return a + b;\n" + // line0 + 2
michael@0 12 "}\n" +
michael@0 13 "debugger;\n");
michael@0 14
michael@0 15 var hits = 0;
michael@0 16 var handler = {hit: function (frame) { hits++; s.clearBreakpoint(handler); }};
michael@0 17 var offs = s.getLineOffsets(g.line0 + 2);
michael@0 18 for (var i = 0; i < 4; i++) {
michael@0 19 for (var j = 0; j < offs.length; j++)
michael@0 20 s.setBreakpoint(offs[j], handler);
michael@0 21 }
michael@0 22
michael@0 23 assertEq(g.f(2, 2), 4);
michael@0 24 assertEq(hits, 1);
michael@0 25 assertEq(s.getBreakpoints().length, 0);

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