32 lines
1.2 KiB
JavaScript
32 lines
1.2 KiB
JavaScript
const assert = require('assert')
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const { Encoder } = require('../src/encoding')
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// Assertion that succeeds if the first argument deepStrictEquals at least one of the
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// subsequent arguments (but we don't care which one)
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function assertEqualsOneOf(actual, ...expected) {
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assert(expected.length > 0)
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for (let i = 0; i < expected.length; i++) {
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try {
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assert.deepStrictEqual(actual, expected[i])
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return // if we get here without an exception, that means success
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} catch (e) {
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if (!e.name.match(/^AssertionError/) || i === expected.length - 1) throw e
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}
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}
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}
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/**
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* Asserts that the byte array maintained by `encoder` contains the same byte
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* sequence as the array `bytes`.
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*/
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function checkEncoded(encoder, bytes, detail) {
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const encoded = (encoder instanceof Encoder) ? encoder.buffer : encoder
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const expected = new Uint8Array(bytes)
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const message = (detail ? `${detail}: ` : '') + `${encoded} expected to equal ${expected}`
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assert(encoded.byteLength === expected.byteLength, message)
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for (let i = 0; i < encoded.byteLength; i++) {
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assert(encoded[i] === expected[i], message)
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}
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}
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module.exports = { assertEqualsOneOf, checkEncoded }
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