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53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
_("Make sure various combinations of deferGetSet arguments correctly defer getting/setting properties to another object");
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Cu.import("resource://services-sync/util.js");
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function run_test() {
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let base = function() {};
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base.prototype = {
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dst: {},
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get a() "a",
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set b(val) this.dst.b = val + "!!!"
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};
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let src = new base();
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_("get/set a single property");
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Utils.deferGetSet(base, "dst", "foo");
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src.foo = "bar";
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do_check_eq(src.dst.foo, "bar");
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do_check_eq(src.foo, "bar");
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_("editing the target also updates the source");
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src.dst.foo = "baz";
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do_check_eq(src.dst.foo, "baz");
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do_check_eq(src.foo, "baz");
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_("handle multiple properties");
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Utils.deferGetSet(base, "dst", ["p1", "p2"]);
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src.p1 = "v1";
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src.p2 = "v2";
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do_check_eq(src.p1, "v1");
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do_check_eq(src.dst.p1, "v1");
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do_check_eq(src.p2, "v2");
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do_check_eq(src.dst.p2, "v2");
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_("handle dotted properties");
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src.dst.nest = {};
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Utils.deferGetSet(base, "dst.nest", "prop");
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src.prop = "val";
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do_check_eq(src.prop, "val");
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do_check_eq(src.dst.nest.prop, "val");
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_("make sure existing getter keeps its functionality");
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Utils.deferGetSet(base, "dst", "a");
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src.a = "not a";
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do_check_eq(src.dst.a, "not a");
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do_check_eq(src.a, "a");
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_("make sure existing setter keeps its functionality");
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Utils.deferGetSet(base, "dst", "b");
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src.b = "b";
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do_check_eq(src.dst.b, "b!!!");
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do_check_eq(src.b, "b!!!");
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}
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