Created
April 2, 2019 07:40
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Unit testing example 03
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| function add(x, y) { | |
| // Check if the parameters are numbers | |
| // If not, throw an error | |
| if (isNaN(x) || isNaN(y)) { | |
| throw new Error("Parameter is not a number !") | |
| } | |
| return x + y | |
| } | |
| describe("add method", () => { | |
| it("should throw an error if NaN is given as parameter", () => { | |
| expect(add).toThrow() | |
| }) | |
| }) |
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