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node_modules/@fluentui/utilities/lib/safeRequestAnimationFrame.test.js

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