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skip the test when we can’t get the propertyDescriptor

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This commit is contained in:
Sean Parmelee
2017-04-25 12:27:32 -05:00
parent 0d6ecbec17
commit ef3cfe7f44
1 changed files with 6 additions and 2 deletions
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8
spec/core/matchers/matchersUtilSpec.js
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@@ -418,8 +418,12 @@ describe("matchersUtil", function() {
// IE 8 doesn't support `definePropery` on non-DOM nodes
if (jasmine.getEnv().ieVersion < 9) { return; }
var findIndexDescriptor = Object.getOwnPropertyDescriptor(Array.prototype, 'findIndex');
if (!findIndexDescriptor) {
return;
}
beforeEach(function() {
this.origDescriptor = Object.getOwnPropertyDescriptor(Array.prototype, 'findIndex');
Object.defineProperty(Array.prototype, 'findIndex', {
enumerable: true,
value: function (predicate) {
@@ -449,7 +453,7 @@ describe("matchersUtil", function() {
});
afterEach(function() {
Object.defineProperty(Array.prototype, 'findIndex', this.origDescriptor);
Object.defineProperty(Array.prototype, 'findIndex', findIndexDescriptor);
});
it("passes when there's an array polyfill", function() {