Source code

Revision control

Copy as Markdown

Other Tools

// Clearing a breakpoint by handler can clear multiple breakpoints.
var g = newGlobal({newCompartment: true});
var dbg = Debugger(g);
var s;
dbg.onDebuggerStatement = function (frame) {
s = frame.eval("f").return.script;
};
g.eval("var line0 = Error().lineNumber;\n" +
"function f(a, b) {\n" + // line0 + 1
" return a + b;\n" + // line0 + 2
"}\n" +
"debugger;\n");
var hits = 0;
var handler = {hit: function (frame) { hits++; s.clearBreakpoint(handler); }};
var offs = s.getLineOffsets(g.line0 + 2);
for (var i = 0; i < 4; i++) {
for (var j = 0; j < offs.length; j++)
s.setBreakpoint(offs[j], handler);
}
assertEq(g.f(2, 2), 4);
assertEq(hits, 1);
assertEq(s.getBreakpoints().length, 0);