diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/debug/Debugger-findScripts-18.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/debug/Debugger-findScripts-18.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,39 @@
+// In a debuggee with multiple scripts with varying displayURLs (aka //#
+// sourceURL), findScripts can filter by displayURL.
+
+var g = newGlobal();
+
+g.eval("function f(){} //# sourceURL=f.js");
+g.eval("function g(){} //# sourceURL=g.js");
+g.eval("function h(){}");
+
+var dbg = new Debugger();
+var gw = dbg.addDebuggee(g);
+var fw = gw.makeDebuggeeValue(g.f);
+var ggw = gw.makeDebuggeeValue(g.g);
+var hw = gw.makeDebuggeeValue(g.h);
+
+var fScripts = dbg.findScripts({ displayURL: "f.js" });
+assertEq(fScripts.indexOf(fw.script) != -1, true);
+assertEq(fScripts.indexOf(ggw.script), -1);
+assertEq(fScripts.indexOf(hw.script), -1);
+
+var gScripts = dbg.findScripts({ displayURL: "g.js" });
+assertEq(gScripts.indexOf(ggw.script) != -1, true);
+assertEq(gScripts.indexOf(fw.script), -1);
+assertEq(gScripts.indexOf(hw.script), -1);
+
+var allScripts = dbg.findScripts();
+assertEq(allScripts.indexOf(fw.script) != -1, true);
+assertEq(allScripts.indexOf(ggw.script) != -1, true);
+assertEq(allScripts.indexOf(hw.script) != -1, true);
+
+try {
+  dbg.findScripts({ displayURL: 3 });
+  // Should never get here because the above line should throw
+  // JSMSG_UNEXPECTED_TYPE.
+  assertEq(true, false);
+} catch(e) {
+  assertEq(e.name, "TypeError");
+  assertEq(e.message.contains("displayURL"), true);
+}