43 lines
719 B
JavaScript
43 lines
719 B
JavaScript
let arith=require ("../loop-arith.js");
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describe("plus",
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function() {
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it("1 + 1 = 2",
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function() {
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expect(arith.plus(1, 1)).toBe(2);
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});
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it("0 + x = x",
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function() {
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expect(arith.plus(0, 1)).toBe(1);
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});
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});
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describe("mult",
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function() {
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it("0 * 2 = 0",
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function() {
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expect(arith.mult(0, 2)).toBe(0);
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});
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it("1 * 2 = 2",
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function() {
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expect(arith.mult(1,2)).toBe(2);
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});
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it("2 * 2 = 4",
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function() {
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expect(arith.mult(2, 2)).toBe(4);
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});
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});
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describe("minus",
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function() {
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it("1 - 1 = 0",
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function() {
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expect(arith.minus(1, 1)).toBe(0);
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});
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it("0 - x = -x",
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function() {
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expect(arith.minus(0, 1)).toBe(-1);
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});
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}); |