<!DOCTYPE html>
<meta charset="utf-8">
<title>Legacy platform objects [[Set]] method</title>
<link rel="help" href="https://webidl.spec.whatwg.org/#legacy-platform-object-set">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
    test(function() {
        var element = document.createElement("div");
        element.appendChild(document.createElement("div"));
        element.childNodes["5"] = "foo";
        assert_equals(element.childNodes["5"], undefined);
    }, "must not set the property value when assigning to a numeric property on an object which implements an indexed property getter but not a setter when not in strict mode");

    test(function() {
        "use strict";
        var element = document.createElement("div");
        element.appendChild(document.createElement("div"));
        assert_throws_js(TypeError, function() { element.childNodes["5"] = "foo"; });
    }, "must throw when assigning to a numeric property on an object which implements a indexed property getter but not a setter in strict mode");

    test(function() {
        var element = document.createElement("div");
        element.attributes.foo = "foo";
        assert_equals(element.attributes.foo, "foo");
    }, "must allow assigning to a named property on an object which implements a named property getter but not a setter when not in strict mode");

    test(function() {
        "use strict";
        var element = document.createElement("div");
        element.attributes.foo = "foo";
        assert_equals(element.attributes.foo, "foo");
    }, "must allow assigning to a named property on an object which implements a named property getter but not a setter in strict mode");

    test(function() {
        "use strict";
        var form = document.createElement("form");
        assert_equals(form.method, "get");
        var input = document.createElement("input");
        input.name = "method";
        input.id = "method";
        form.appendChild(input);
        assert_equals(form.method, input);
        form.method = "post";
        assert_equals(form.method, input);
        input.remove();
        assert_equals(form.method, "post");
    }, "must allow setting built-in property on a [LegacyOverrideBuiltIns] object even if a named property shadows it");

    var symbol = Symbol();

    test(function() {
        var element = document.createElement("div");
        element.appendChild(document.createElement("div"));
        element.childNodes[symbol] = "foo";
        assert_equals(element.childNodes[symbol], "foo");
    }, "must allow assigning to a symbol property on an object which implements an indexed property getter but not a setter when not in strict mode");

    test(function() {
        "use strict";
        var element = document.createElement("div");
        element.appendChild(document.createElement("div"));
        element.childNodes[symbol] = "foo";
        assert_equals(element.childNodes[symbol], "foo");
    }, "must allow assigning to a symbol property on an object which implements an indexed property getter but not a setter in strict mode");

    test(function() {
        var element = document.createElement("div");
        element.attributes[symbol] = "foo";
        assert_equals(element.attributes[symbol], "foo");
    }, "must allow assigning to a symbol property on an object which implements indexed and named property getters but no setters when not in strict mode");

    test(function() {
        "use strict";
        var element = document.createElement("div");
        element.attributes[symbol] = "foo";
        assert_equals(element.attributes[symbol], "foo");
    }, "must allow assigning to a symbol property on an object which implements indexed and named property getters but no setters in strict mode");

    test(function() {
        sessionStorage.clear();
        this.add_cleanup(function() { sessionStorage.clear(); });
        sessionStorage[symbol] = "foo";
        assert_equals(sessionStorage[symbol], "foo");
    }, "must allow assigning to a symbol property on an object which implements indexed and named property getters and setters when not in strict mode");

    test(function() {
        "use strict";
        sessionStorage.clear();
        this.add_cleanup(function() { sessionStorage.clear(); });
        sessionStorage[symbol] = "foo";
        assert_equals(sessionStorage[symbol], "foo");
    }, "must allow assigning to a symbol property on an object which implements indexed and named property getters and setters in strict mode");
</script>
