Jaco
f2afcfc1a7
* Adjust internal character maps to operate on Uint8Array * Use Uint8Array * Actual perf testing * Rename perf exports * Expose specs in own tsconfig (circular)
112 lines
2.6 KiB
TypeScript
112 lines
2.6 KiB
TypeScript
// Copyright 2017-2023 @polkadot/util authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { perf } from '../test';
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import { u8aEq } from '.';
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const ltest = new Uint8Array(32768);
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const stest = new Uint8Array(256);
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const ztest = new Uint8Array(64);
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for (let i = 0; i < ltest.length; i++) {
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if (i < ztest.length) {
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ztest[i] = i % 256;
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}
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if (i < stest.length) {
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stest[i] = i % 256;
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}
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ltest[i] = i % 256;
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}
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describe('u8aEq', (): void => {
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it('returns false when the lengths do not match', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3]),
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new Uint8Array([1, 2])
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)
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).toEqual(false);
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});
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it('returns false when the contents do not match', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3]),
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new Uint8Array([1, 2, 4])
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)
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).toEqual(false);
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});
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it('returns true when the contents do match', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3]),
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new Uint8Array([1, 2, 3])
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)
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).toEqual(true);
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});
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it('returns false when the contents do not match (with u32 start)', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3]),
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 4])
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)
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).toEqual(false);
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});
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it('returns true when the contents do match (with u32 start)', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3]),
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3])
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)
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).toEqual(true);
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});
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it('returns false when the contents do not match (u32 only)', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]),
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 9])
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)
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).toEqual(false);
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});
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it('returns true when the contents do match (u32 only)', (): void => {
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expect(
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u8aEq(
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]),
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new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8])
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)
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).toEqual(true);
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});
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it('returns true with equalvalent hex & Uint8array', (): void => {
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expect(
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u8aEq(
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'0x010203',
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new Uint8Array([1, 2, 3])
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)
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).toEqual(true);
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});
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it('works on aubarray values', (): void => {
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const a = new Uint8Array(16);
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for (let i = 0; i < a.length; i++) {
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a[i] = i;
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}
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expect(
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u8aEq(a.subarray(0, 5), a.subarray(0, 5))
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).toEqual(true);
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});
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perf('u8aEq (64 cmp)', 200_000, [[ztest, ztest]], u8aEq);
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perf('u8aEq (256 cmp)', 200_000, [[stest, stest]], u8aEq);
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perf('u8aEq (32k cmp)', 10_000, [[ltest, ltest]], u8aEq);
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});
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