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25 lines
678 B
JavaScript
25 lines
678 B
JavaScript
describe('Core helper tests', function() {
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var helpers;
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beforeAll(function() {
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helpers = window.Chart.helpers;
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});
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it('should generate integer ids', function() {
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var uid = helpers.uid();
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expect(uid).toEqual(jasmine.any(Number));
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expect(helpers.uid()).toBe(uid + 1);
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expect(helpers.uid()).toBe(uid + 2);
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expect(helpers.uid()).toBe(uid + 3);
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});
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describe('clone', function() {
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it('should not allow prototype pollution', function() {
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const test = helpers.clone(JSON.parse('{"__proto__":{"polluted": true}}'));
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expect(test.prototype).toBeUndefined();
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expect(Object.prototype.polluted).toBeUndefined();
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});
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});
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});
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