event_constructor.window.js

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This WPT test may be referenced by the following Test IDs:
- /webstorage/event_constructor.window.html - WPT Dashboard Interop Dashboard

test(function() {

    assert_throws_js(

        TypeError,

        () => StorageEvent(""),

        "Calling StorageEvent constructor without 'new' must throw"

);

}, "StorageEvent constructor called as normal function");

test(function() {

    assert_throws_js(TypeError, () => new StorageEvent());

    // should be redundant, but .length can be wrong with custom bindings

    assert_equals(StorageEvent.length, 1, 'StorageEvent.length');

}, 'constructor with no arguments');

test(function() {

    var event = new StorageEvent('type');

    assert_equals(event.type, 'type', 'type');

    assert_equals(event.key, null, 'key');

    assert_equals(event.oldValue, null, 'oldValue');

    assert_equals(event.newValue, null, 'newValue');

    assert_equals(event.url, '', 'url');

    assert_equals(event.storageArea, null, 'storageArea');

}, 'constructor with just type argument');

test(function() {

    assert_not_equals(localStorage, null, 'localStorage'); // precondition

    var event = new StorageEvent('storage', {

        bubbles: true,

        cancelable: true,

        key: 'key',

        oldValue: 'oldValue',

        newValue: 'newValue',

        url: 'url', // not an absolute URL to ensure it isn't resolved

        storageArea: localStorage

});

    assert_equals(event.type, 'storage', 'type');

    assert_equals(event.bubbles, true, 'bubbles');

    assert_equals(event.cancelable, true, 'cancelable');

    assert_equals(event.key, 'key', 'key');

    assert_equals(event.oldValue, 'oldValue', 'oldValue');

    assert_equals(event.newValue, 'newValue', 'newValue');

    assert_equals(event.url, 'url', 'url');

    assert_equals(event.storageArea, localStorage, 'storageArea');

}, 'constructor with sensible type argument and members');

test(function() {

    var event = new StorageEvent(null, {

        key: null,

        oldValue: null,

        newValue: null,

        url: null,

        storageArea: null

});

    assert_equals(event.type, 'null', 'type');

    assert_equals(event.key, null, 'key');

    assert_equals(event.oldValue, null, 'oldValue');

    assert_equals(event.newValue, null, 'newValue');

    assert_equals(event.url, 'null', 'url');

    assert_equals(event.storageArea, null, 'storageArea');

}, 'constructor with null type argument and members');

test(function() {

    var event = new StorageEvent(undefined, {

        key: undefined,

        oldValue: undefined,

        newValue: undefined,

        url: undefined,

        storageArea: undefined

});

    assert_equals(event.type, 'undefined', 'type');

    assert_equals(event.key, null, 'key');

    assert_equals(event.oldValue, null, 'oldValue');

    assert_equals(event.newValue, null, 'newValue');

    assert_equals(event.url, '', 'url'); // not 'undefined'!

    assert_equals(event.storageArea, null, 'storageArea');

}, 'constructor with undefined type argument and members');