Chart.js/test/specs/core.element.tests.js

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describe('Chart.element', function() {
describe('getProps', function() {
it('should return requested properties', function() {
const elem = new Chart.Element();
elem.x = 10;
elem.y = 1.5;
expect(elem.getProps(['x', 'y'])).toEqual(jasmine.objectContaining({x: 10, y: 1.5}));
expect(elem.getProps(['x', 'y'], true)).toEqual(jasmine.objectContaining({x: 10, y: 1.5}));
elem.$animations = {x: {active: true, _to: 20}};
expect(elem.getProps(['x', 'y'])).toEqual(jasmine.objectContaining({x: 10, y: 1.5}));
expect(elem.getProps(['x', 'y'], true)).toEqual(jasmine.objectContaining({x: 20, y: 1.5}));
});
});
});