symbol-props.window.js

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /webstorage/symbol-props.window.html - WPT Dashboard Interop Dashboard

["localStorage", "sessionStorage"].forEach(function(name) {

    test(function() {

        var key = Symbol();

        var storage = window[name];

        storage.clear();

        storage[key] = "test";

        assert_equals(storage[key], "test");

    }, name + ": plain set + get (loose)");

    test(function() {

        "use strict";

        var key = Symbol();

        var storage = window[name];

        storage.clear();

        storage[key] = "test";

        assert_equals(storage[key], "test");

    }, name + ": plain set + get (strict)");

    test(function() {

        var key = Symbol();

        var storage = window[name];

        storage.clear();

        Object.defineProperty(storage, key, { "value": "test" });

        assert_equals(storage[key], "test");

    }, name + ": defineProperty + get");

    test(function() {

        var key = Symbol();

        var storage = window[name];

        storage.clear();

        Object.defineProperty(storage, key, { "value": "test", "configurable": false });

        assert_equals(storage[key], "test");

        var desc = Object.getOwnPropertyDescriptor(storage, key);

        assert_true(desc.configurable, "configurable");

        assert_true(delete storage[key]);

        assert_equals(storage[key], undefined);

    }, name + ": defineProperty not configurable");

    test(function() {

        var key = Symbol();

        Storage.prototype[key] = "test";

        this.add_cleanup(function() { delete Storage.prototype[key]; });

        var storage = window[name];

        storage.clear();

        assert_equals(storage[key], "test");

        var desc = Object.getOwnPropertyDescriptor(storage, key);

        assert_equals(desc, undefined);

    }, name + ": get with symbol on prototype");

    test(function() {

        var key = Symbol();

        var storage = window[name];

        storage.clear();

        storage[key] = "test";

        assert_true(delete storage[key]);

        assert_equals(storage[key], undefined);

    }, name + ": delete existing property");

    test(function() {

        var key = Symbol();

        var storage = window[name];

        storage.clear();

        assert_true(delete storage[key]);

        assert_equals(storage[key], undefined);

    }, name + ": delete non-existent property");

});