Jaco Greeff
80db504a3b
* WIP * ... and more * yet more... * and examples (more-or-less) fixed * Only problematic promisify left... * Last batch * rm config header * Update * Use Record * Bumps
75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
// Copyright 2017-2019 @polkadot/trie-codec authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { hexToU8a } from '@polkadot/util';
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import decode from './decode';
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describe('decode', (): void => {
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it('decodes a leaf', (): void => {
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expect(
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decode(Uint8Array.from([
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0x05, 0x48, 0x19, 0x04, 0xfe
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]))
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).toEqual([
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Uint8Array.from([0x20, 0x48, 0x19]),
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Uint8Array.from([0xfe])
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]);
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});
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it('decodes a branch', (): void => {
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expect(
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decode(Uint8Array.from([
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0xfe, 0x00, 0x0c, 0x48, 0x81, 0x0a, 0x3c, 0xff, 0x00, 0x0c, 0x04, 0xa0, 0x10, 0x02, 0x0a, 0x04,
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0xaa, 0x10, 0x02, 0x0b, 0x04, 0xab, 0x10, 0x02, 0x0b, 0x04, 0xb0
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]))
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).toEqual([
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null, null, null, null, null, null, null, null, null, null,
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[
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Uint8Array.from([26]),
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Uint8Array.from([255, 0, 12, 4, 160, 16, 2, 10, 4, 170, 16, 2, 11, 4, 171])
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],
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[
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Uint8Array.from([59]),
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Uint8Array.from([176])
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],
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null, null, null, null, null
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]);
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});
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it('decodes a complex branch', (): void => {
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expect(
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decode(hexToU8a(
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'0xfe8c00682007b3872d47181b4a2dc15f0da43e702620e80300000000000080170d322ac49d8708f151346c68d9e58452d83a9d3b710e1ead35eb3269ab235368200935e46f94f24b82716c0142e2271de9200087000000000000'
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))
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).toEqual([
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null,
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null,
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[
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hexToU8a('0x37b3872d47181b4a2dc15f0da43e7026'),
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hexToU8a('0xe803000000000000')
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],
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Uint8Array.from([
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23, 13, 50, 42, 196, 157, 135, 8, 241, 81, 52, 108, 104, 217, 229, 132, 82, 216, 58, 157, 59, 113, 14, 30, 173, 53, 235, 50, 105, 171, 35, 83
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]),
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null,
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null,
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null,
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[
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hexToU8a('0x3935e46f94f24b82716c0142e2271de9'),
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hexToU8a('0x0087000000000000')
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],
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null,
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null
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]);
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});
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});
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