44 lines
1.5 KiB
JavaScript
44 lines
1.5 KiB
JavaScript
import { __extends } from "tslib";
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import * as React from 'react';
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import { safeRequestAnimationFrame } from './safeRequestAnimationFrame';
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import { mount } from 'enzyme';
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describe('safeRequestAnimationFrame', function () {
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var rafCalled = false;
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var Foo = /** @class */ (function (_super) {
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__extends(Foo, _super);
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function Foo(props) {
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var _this = _super.call(this, props) || this;
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_this._raf = safeRequestAnimationFrame(_this);
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return _this;
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}
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Foo.prototype.render = function () {
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return React.createElement("div", null, "Hello");
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};
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Foo.prototype.componentDidMount = function () {
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this._raf(function () { return (rafCalled = true); });
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};
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return Foo;
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}(React.Component));
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beforeEach(function () {
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rafCalled = false;
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jest.useFakeTimers();
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});
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afterEach(function () {
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jest.runOnlyPendingTimers();
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jest.useRealTimers();
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});
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it('can request animation frame', function () {
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mount(React.createElement(Foo, null));
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expect(rafCalled).toEqual(false);
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jest.runOnlyPendingTimers();
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expect(rafCalled).toEqual(true);
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});
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it('can cancel request animation frame', function () {
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var wrapper = mount(React.createElement(Foo, null));
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expect(rafCalled).toEqual(false);
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wrapper.unmount();
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jest.runOnlyPendingTimers();
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expect(rafCalled).toEqual(false);
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});
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});
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//# sourceMappingURL=safeRequestAnimationFrame.test.js.map
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