michael@0: function test_not_too_long() {
michael@0:   var ios = Cc["@mozilla.org/network/io-service;1"].
michael@0:     getService(Ci.nsIIOService);
michael@0: 
michael@0:   var spec = "jar:http://example.com/bar.jar!/";
michael@0:   try {
michael@0:     var newURI = ios.newURI(spec, null, null);
michael@0:   }
michael@0:   catch (e) {
michael@0:     do_throw("newURI threw even though it wasn't passed a large nested URI?");
michael@0:   }
michael@0: }
michael@0: 
michael@0: function test_too_long() {
michael@0:   var ios = Cc["@mozilla.org/network/io-service;1"].
michael@0:     getService(Ci.nsIIOService);
michael@0: 
michael@0:   var i;
michael@0:   var prefix = "jar:";
michael@0:   for (i = 0; i < 16; i++) {
michael@0:     prefix = prefix + prefix;
michael@0:   }
michael@0:   var suffix = "!/";
michael@0:   for (i = 0; i < 16; i++) {
michael@0:     suffix = suffix + suffix;
michael@0:   }
michael@0: 
michael@0:   var spec = prefix + "http://example.com/bar.jar" + suffix;
michael@0:   try {
michael@0:     // The following will produce a recursive call that if
michael@0:     // unchecked would lead to a stack overflow. If we
michael@0:     // do not crash here and thus an exception is caught
michael@0:     // we have passed the test.
michael@0:     var newURI = ios.newURI(spec, null, null);
michael@0:   }
michael@0:   catch (e) {
michael@0:     return;
michael@0:   }
michael@0: }
michael@0: 
michael@0: function run_test() {
michael@0:   test_not_too_long();
michael@0:   test_too_long();
michael@0: }