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30 lines
850 B
TypeScript
30 lines
850 B
TypeScript
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
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import { expect } from "./expect.ts";
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import { AssertionError, assertThrows } from "@std/assert";
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Deno.test("expect().toBeCloseTo()", () => {
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expect(0.2 + 0.1).toBeCloseTo(0.3);
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expect(0.2 + 0.1).toBeCloseTo(0.3, 5);
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expect(0.2 + 0.1).toBeCloseTo(0.3, 15);
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expect(0.2 + 0.11).not.toBeCloseTo(0.3);
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expect(0.2 + 0.1).not.toBeCloseTo(0.3, 16);
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assertThrows(() => {
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expect(0.2 + 0.11).toBeCloseTo(0.3);
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}, AssertionError);
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assertThrows(() => {
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expect(0.2 + 0.1).not.toBeCloseTo(0.3);
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});
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});
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Deno.test("expect().toBeCloseTo() throws error when the numDigits is smaller than 0", () => {
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assertThrows(
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() => expect(0.2 + 0.1).toBeCloseTo(0.3, -1),
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Error,
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"toBeCloseTo second argument must be a non-negative integer. Got -1",
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);
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});
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