/services/sync/tests/unit/test_utils_deferGetSet.js
http://github.com/zpao/v8monkey · JavaScript · 45 lines · 38 code · 7 blank · 0 comment · 0 complexity · e51c4d4e4dd0b5994527fa4ff3212366 MD5 · raw file
- _("Make sure various combinations of deferGetSet arguments correctly defer getting/setting properties to another object");
- Cu.import("resource://services-sync/util.js");
- function run_test() {
- let base = function() {};
- base.prototype = {
- dst: {},
- get a() "a",
- set b(val) this.dst.b = val + "!!!"
- };
- let src = new base();
- _("get/set a single property");
- Utils.deferGetSet(base, "dst", "foo");
- src.foo = "bar";
- do_check_eq(src.dst.foo, "bar");
- do_check_eq(src.foo, "bar");
- _("editing the target also updates the source");
- src.dst.foo = "baz";
- do_check_eq(src.dst.foo, "baz");
- do_check_eq(src.foo, "baz");
- _("handle multiple properties");
- Utils.deferGetSet(base, "dst", ["p1", "p2"]);
- src.p1 = "v1";
- src.p2 = "v2";
- do_check_eq(src.p1, "v1");
- do_check_eq(src.dst.p1, "v1");
- do_check_eq(src.p2, "v2");
- do_check_eq(src.dst.p2, "v2");
- _("make sure existing getter keeps its functionality");
- Utils.deferGetSet(base, "dst", "a");
- src.a = "not a";
- do_check_eq(src.dst.a, "not a");
- do_check_eq(src.a, "a");
- _("make sure existing setter keeps its functionality");
- Utils.deferGetSet(base, "dst", "b");
- src.b = "b";
- do_check_eq(src.dst.b, "b!!!");
- do_check_eq(src.b, "b!!!");
- }