v8/test/mjsunit/modules-namespace-getownproperty2.mjs
Mathias Bynens 5c2c5ce133 [test] Remove module pragma in favor of .mjs
d8 treats files with the .mjs extension as modules instead of
classic scripts. Thus, the `// MODULE` pragma and its corresponding
logic in test runners can be removed in favor of explicitly adding
the extension.

Bug: v8:7950, v8:9395, v8:9406
Also-By: tmrts@chromium.org
Change-Id: Ic74328dc5c5f176bb4bdf6d74bdd4d3966279ba5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1675958
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Tamer Tas <tmrts@chromium.org>
Auto-Submit: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62421}
2019-06-27 13:25:48 +00:00

147 lines
4.0 KiB
JavaScript

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import * as ns from "./modules-namespace-getownproperty2.mjs";
// This tests the same as modules-namespace-getownproperty1.mjs except that here
// variable a doesn't exist. This means that the late-declared variable b is the
// (alphabetically) first property of the namespace object, which makes a
// difference for some operations.
////////////////////////////////////////////////////////////////////////////////
// There are two exports, b and c (both let-declared). Variable b is
// declared AFTER the first set of tests ran (see below).
export let c = 3;
////////////////////////////////////////////////////////////////////////////////
// for-in
assertThrows(() => { for (let p in ns) {} }, ReferenceError);
// Object.prototype.propertyIsEnumerable
assertThrows(() => Object.prototype.propertyIsEnumerable.call(ns, 'b'),
ReferenceError);
assertTrue(Object.prototype.propertyIsEnumerable.call(ns, 'c'));
// Object.prototype.hasOwnProperty
assertThrows(() => Object.prototype.hasOwnProperty.call(ns, 'b'),
ReferenceError);
assertTrue(Object.prototype.hasOwnProperty.call(ns, 'c'));
// Object.keys
assertThrows(() => Object.keys(ns), ReferenceError);
// Object.entries
assertThrows(() => Object.entries(ns), ReferenceError);
// Object.values
assertThrows(() => Object.values(ns), ReferenceError);
// Object.getOwnPropertyNames
assertEquals(['b', 'c'], Object.getOwnPropertyNames(ns));
// Object.getOwnPropertySymbols
assertEquals([Symbol.toStringTag], Object.getOwnPropertySymbols(ns));
// Reflect.ownKeys
assertEquals(['b', 'c', Symbol.toStringTag], Reflect.ownKeys(ns));
// Object.assign
var copy = {};
assertThrows(() => Object.assign(copy, ns), ReferenceError);
assertEquals({}, copy);
// Object.isFrozen
assertThrows(() => Object.isFrozen(ns), ReferenceError);
// Object.isSealed
assertThrows(() => Object.isSealed(ns), ReferenceError);
// Object.freeze
assertThrows(() => Object.freeze(ns), ReferenceError);
// Object.seal
assertThrows(() => Object.seal(ns), ReferenceError);
// JSON.stringify
assertThrows(() => JSON.stringify(ns), ReferenceError);
// PropertyDefinition
assertThrows(() => ({...copy} = ns), ReferenceError);
// delete
assertThrows(() => delete ns.b, TypeError);
assertFalse(Reflect.deleteProperty(ns, 'b'));
////////////////////////////////////////////////////////////////////////////////
// Variable b is declared here.
export let b = 2;
////////////////////////////////////////////////////////////////////////////////
// for-in
var i = 2;
for (let p in ns) {
assertEquals(i, ns[p]);
i++
}
assertEquals(i, 4);
// Object.prototype.propertyIsEnumerable
assertTrue(Object.prototype.propertyIsEnumerable.call(ns, 'b'));
assertTrue(Object.prototype.propertyIsEnumerable.call(ns, 'c'));
// Object.prototype.hasOwnProperty
assertTrue(Object.prototype.hasOwnProperty.call(ns, 'b'));
assertTrue(Object.prototype.hasOwnProperty.call(ns, 'c'));
// Object.keys
assertEquals(['b', 'c'], Object.keys(ns));
// Object.entries
assertEquals([['b', 2], ['c', 3]], Object.entries(ns));
// Object.values
assertEquals([2, 3], Object.values(ns));
// Object.getOwnPropertyNames
assertEquals(['b', 'c'], Object.getOwnPropertyNames(ns));
// Object.getOwnPropertySymbols
assertEquals([Symbol.toStringTag], Object.getOwnPropertySymbols(ns));
// Reflect.ownKeys
assertEquals(['b', 'c', Symbol.toStringTag], Reflect.ownKeys(ns));
// Object.assign
copy = {};
Object.assign(copy, ns);
assertEquals({b:2, c:3}, copy);
// Object.isFrozen
assertFalse(Object.isFrozen(ns));
// Object.isSealed
assertTrue(Object.isSealed(ns));
// Object.freeze
assertThrows(() => Object.freeze(ns), TypeError);
// Object.seal
assertDoesNotThrow(() => Object.seal(ns));
// JSON.stringify
assertEquals('{"b":2,"c":3}', JSON.stringify(ns));
// PropertyDefinition
copy = {};
({...copy} = ns);
assertEquals({b:2, c:3}, copy);
// delete
assertThrows(() => delete ns.b, TypeError);
assertFalse(Reflect.deleteProperty(ns, 'b'));