diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Debugger-findScripts-11.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Debugger-findScripts-11.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+// Debugger.prototype.findScripts can filter scripts by line number.
+var g = newGlobal();
+var dbg = new Debugger();
+var gw = dbg.addDebuggee(g);
+
+var scriptname = scriptdir + 'Debugger-findScripts-11-script2';
+g.load(scriptname);
+
+var gfw = gw.makeDebuggeeValue(g.f);
+var ggw = gw.makeDebuggeeValue(g.f());
+var ghw = gw.makeDebuggeeValue(g.h);
+
+// Specifying a line outside of all functions screens out all function scripts.
+assertEq(dbg.findScripts({url:scriptname, line:3}).indexOf(gfw.script) != -1, false);
+assertEq(dbg.findScripts({url:scriptname, line:3}).indexOf(ggw.script) != -1, false);
+assertEq(dbg.findScripts({url:scriptname, line:3}).indexOf(ghw.script) != -1, false);
+
+// Specifying a different url screens out scripts, even when global and line match.
+assertEq(dbg.findScripts({url:"xlerb", line:8}).indexOf(gfw.script) != -1, false);
+assertEq(dbg.findScripts({url:"xlerb", line:8}).indexOf(ggw.script) != -1, false);
+assertEq(dbg.findScripts({url:"xlerb", line:8}).indexOf(ghw.script) != -1, false);
+
+// A line number within a function selects that function's script.
+assertEq(dbg.findScripts({url:scriptname, line:8}).indexOf(gfw.script) != -1, true);
+assertEq(dbg.findScripts({url:scriptname, line:8}).indexOf(ggw.script) != -1, false);
+assertEq(dbg.findScripts({url:scriptname, line:8}).indexOf(ghw.script) != -1, false);
+
+// A line number within a nested function selects all enclosing functions' scripts.
+assertEq(dbg.findScripts({url:scriptname, line:10}).indexOf(gfw.script) != -1, true);
+assertEq(dbg.findScripts({url:scriptname, line:10}).indexOf(ggw.script) != -1, true);
+assertEq(dbg.findScripts({url:scriptname, line:10}).indexOf(ghw.script) != -1, false);
+
+// A line number in a non-nested function selects that function.
+assertEq(dbg.findScripts({url:scriptname, line:15}).indexOf(gfw.script) != -1, false);
+assertEq(dbg.findScripts({url:scriptname, line:15}).indexOf(ggw.script) != -1, false);
+assertEq(dbg.findScripts({url:scriptname, line:15}).indexOf(ghw.script) != -1, true);