22 lines
672 B
JavaScript
22 lines
672 B
JavaScript
const sumAll = require("./sumAll");
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describe("sumAll", () => {
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it("sums numbers within the range", () => {
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expect(sumAll(1, 4)).toEqual(10);
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});
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it("works with large numbers", () => {
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expect(sumAll(1, 4000)).toEqual(8002000);
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});
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it("works with larger number first", () => {
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expect(sumAll(123, 1)).toEqual(7626);
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});
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it("returns ERROR with negative numbers", () => {
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expect(sumAll(-10, 4)).toEqual("ERROR");
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});
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it("returns ERROR with non-number parameters", () => {
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expect(sumAll(10, "90")).toEqual("ERROR");
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});
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it("returns ERROR with non-number parameters", () => {
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expect(sumAll(10, [90, 1])).toEqual("ERROR");
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});
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});
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