servo/tests/wpt/web-platform-tests/webstorage/set.window.js

102 lines
4.2 KiB
JavaScript

["localStorage", "sessionStorage"].forEach(function(name) {
[9, "x"].forEach(function(key) {
test(function() {
var value = "value";
var storage = window[name];
storage.clear();
assert_equals(storage[key], undefined);
assert_equals(storage.getItem(key), null);
assert_equals(storage[key] = value, value);
assert_equals(storage[key], "value");
assert_equals(storage.getItem(key), "value");
}, "Setting property for key " + key + " on " + name);
test(function() {
var value = {
toString: function() { return "value"; }
};
var storage = window[name];
storage.clear();
assert_equals(storage[key], undefined);
assert_equals(storage.getItem(key), null);
assert_equals(storage[key] = value, value);
assert_equals(storage[key], "value");
assert_equals(storage.getItem(key), "value");
}, "Setting property with toString for key " + key + " on " + name);
test(function() {
Storage.prototype[key] = "proto";
this.add_cleanup(function() { delete Storage.prototype[key]; });
var value = "value";
var storage = window[name];
storage.clear();
assert_equals(storage[key], "proto");
assert_equals(storage.getItem(key), null);
assert_equals(storage[key] = value, value);
// Hidden because no [OverrideBuiltins].
assert_equals(storage[key], "proto");
assert_equals(Object.getOwnPropertyDescriptor(storage, key), undefined);
assert_equals(storage.getItem(key), "value");
}, "Setting property for key " + key + " on " + name + " with data property on prototype");
test(function() {
Storage.prototype[key] = "proto";
this.add_cleanup(function() { delete Storage.prototype[key]; });
var value = "value";
var storage = window[name];
storage.clear();
storage.setItem(key, "existing");
// Hidden because no [OverrideBuiltins].
assert_equals(storage[key], "proto");
assert_equals(Object.getOwnPropertyDescriptor(storage, key), undefined);
assert_equals(storage.getItem(key), "existing");
assert_equals(storage[key] = value, value);
assert_equals(storage[key], "proto");
assert_equals(Object.getOwnPropertyDescriptor(storage, key), undefined);
assert_equals(storage.getItem(key), "value");
}, "Setting property for key " + key + " on " + name + " with data property on prototype and existing item");
test(function() {
var calledSetter = [];
Object.defineProperty(Storage.prototype, key, {
"get": function() { return "proto getter"; },
"set": function(v) { calledSetter.push(v); },
configurable: true,
});
this.add_cleanup(function() { delete Storage.prototype[key]; });
var value = "value";
var storage = window[name];
storage.clear();
assert_equals(storage[key], "proto getter");
assert_equals(storage.getItem(key), null);
assert_equals(storage[key] = value, value);
// Property is hidden because no [OverrideBuiltins].
if (typeof key === "number") {
// P is an array index: call through to OrdinarySetWithOwnDescriptor()
assert_array_equals(calledSetter, [value]);
assert_equals(storage[key], "proto getter");
assert_equals(storage.getItem(key), null);
} else {
// P is not an array index: early return in [[Set]] step 2.
// https://github.com/heycam/webidl/issues/630
assert_equals(storage[key], "proto getter");
assert_equals(Object.getOwnPropertyDescriptor(storage, key), undefined);
assert_equals(storage.getItem(key), "value");
}
}, "Setting property for key " + key + " on " + name + " with accessor property on prototype");
});
});