31 lines
835 B
JavaScript
31 lines
835 B
JavaScript
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let array=require("../arrays.js");
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describe("range", function () {
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it("empty", function () {
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expect(array.range(2,1)).toEqual([]);
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});
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it("single", function () {
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expect(array.range(2,2)).toEqual([2]);
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});
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it("multiple", function () {
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expect(array.range(42,50)).toEqual([42,43,44,45,46,47,48,49,50]);
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});
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it("step", function() {
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expect(array.range(2,10,2)).toEqual([2,4,6,8,10]);
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})
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});
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describe("sum", function () {
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it("empty", function () {
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expect(array.sum([])).toBe(0);
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});
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it("single", function () {
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expect(array.sum([2])).toBe(2);
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});
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it("multiple", function () {
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expect(array.sum(array.range(1,10))).toBe(55);
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})
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it("stepped", function() {
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expect(array.sum(array.range(2,10,2))).toBe(30)
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});
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});
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