Update verifyProperty to allow checking `value`

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
This commit is contained in:
Rick Waldron 2017-06-22 16:45:07 -04:00
parent 1a2244faf8
commit 2086f66c55
2 changed files with 57 additions and 0 deletions

View File

@ -39,6 +39,12 @@ function verifyProperty(obj, name, desc, options) {
var failures = [];
if (Object.prototype.hasOwnProperty.call(desc, 'value')) {
if (desc.value !== originalDesc.value) {
failures.push(`descriptor value should be ${desc.value}`);
}
}
if (Object.prototype.hasOwnProperty.call(desc, 'enumerable')) {
if (desc.enumerable !== originalDesc.enumerable ||
desc.enumerable !== isEnumerable(obj, name)) {

View File

@ -0,0 +1,51 @@
// Copyright (C) 2017 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Verify property descriptor
includes: [propertyHelper.js]
---*/
var obj;
var prop = 'prop';
function reset(desc) {
desc.value = prop;
obj = Object.defineProperty({}, prop, desc);
}
function checkDesc(desc) {
reset(desc);
assert(verifyProperty(obj, prop, desc));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', enumerable: desc.enumerable }));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', writable: desc.writable }));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', configurable: desc.configurable }));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', configurable: desc.configurable, enumerable: desc.enumerable }));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', configurable: desc.configurable, writable: desc.writable }));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', writable: desc.writable, enumerable: desc.enumerable }));
reset(desc);
assert(verifyProperty(obj, prop, { value: 'prop', enumerable: desc.enumerable, configurable: desc.configurable }));
}
checkDesc({ enumerable: true, configurable: true, writable: true });
checkDesc({ enumerable: false, writable: false, configurable: false });
checkDesc({ enumerable: true, writable: false, configurable: false });
checkDesc({ enumerable: false, writable: true, configurable: false });
checkDesc({ enumerable: false, writable: false, configurable: true });
checkDesc({ enumerable: true, writable: false, configurable: true });
checkDesc({ enumerable: true, writable: true, configurable: false });
checkDesc({ enumerable: false, writable: true, configurable: true });