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Commit | Line | Data |
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0993d859 SW |
1 | "use strict"; |
2 | ||
3 | var assert = require('assert'); | |
4 | ||
5 | function test(description, f) { | |
6 | f(); | |
7 | } | |
8 | ||
9 | function near(a, b, epsilon = 1e-6) { | |
10 | return Math.abs(a - b) < epsilon; | |
11 | } | |
12 | ||
13 | test("parse tax table", () => { | |
14 | const parsed = parse_tax_table(' 1 2\n10 4\n'); | |
15 | assert.strictEqual(parsed.length, 2); | |
16 | assert.deepStrictEqual(parsed[0], [1, 10, .02]); | |
17 | assert.deepStrictEqual(parsed[1], [10, Infinity, .04]); | |
18 | }); | |
19 | ||
20 | test("sum", () => { | |
21 | assert.strictEqual(sum([]), 0); | |
22 | assert.strictEqual(sum([7]), 7); | |
23 | assert.strictEqual(sum([100, 1, 10]), 111); | |
24 | }); | |
25 | ||
26 | test("tax", () => { | |
27 | assert.strictEqual(tax([[10, 100, .01], [100, Infinity, .1]], 150), 5.9); | |
28 | assert.ok(near(tax([[10, 100, .01], [100, Infinity, .1]], 150), 5.9)); | |
29 | }); |