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flagon-io/automation-lab

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19 linesCodeBlameRaw
1const assert = require("node:assert");
2const math = require("./math");
3
4assert.strictEqual(math.add(2, 3), 5);
5assert.strictEqual(math.multiply(4, 5), 20);
6assert.strictEqual(math.power(2, 10), 1024);
7assert.strictEqual(math.power(5, 0), 1);
8assert.throws(() => math.power(2, -1), RangeError);
9assert.strictEqual(math.mean([1, 2, 3]), 2);
10assert.strictEqual(math.mean([1, 2, 3, 4]), 2.5);
11assert.strictEqual(math.median([1, 2, 3]), 2);
12assert.strictEqual(math.median([3, 1, 2]), 2);
13assert.strictEqual(math.median([4, 1, 3, 2]), 2.5);
14assert.strictEqual(math.standard_deviation([1, 2, 3]), Math.sqrt(2 / 3));
15assert.strictEqual(math.standard_deviation([2, 4, 4, 4, 5, 5, 7, 9]), 2);
16for (const fn of [math.mean, math.median, math.standard_deviation]) {
17 assert.throws(() => fn([]), TypeError);
18}
19console.log("all tests passed");