125 lines
4.1 KiB
JavaScript
125 lines
4.1 KiB
JavaScript
// Copyright 2015-2017 Parity Technologies (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import BigNumber from 'bignumber.js';
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import { padAddress, padBool, padBytes, padFixedBytes, padString, padU32 } from './pad';
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describe('abi/util/pad', () => {
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const SHORT15 = '1234567890abcdef';
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const BYTES15 = [0x12, 0x34, 0x56, 0x78, 0x90, 0xab, 0xcd, 0xef];
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const LONG15 = `${SHORT15}000000000000000000000000000000000000000000000000`;
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const PAD123 = '0000000000000000000000000000000000000000000000000000000000000123';
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describe('padAddress', () => {
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it('pads to 64 characters', () => {
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expect(padAddress('123')).to.equal(PAD123);
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});
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it('strips leading 0x when passed in', () => {
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expect(padFixedBytes(`0x${PAD123}`)).to.equal(PAD123);
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});
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});
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describe('padBool', () => {
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const TRUE = '0000000000000000000000000000000000000000000000000000000000000001';
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const FALSE = '0000000000000000000000000000000000000000000000000000000000000000';
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it('pads true to 64 characters', () => {
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expect(padBool(true)).to.equal(TRUE);
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});
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it('pads false to 64 characters', () => {
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expect(padBool(false)).to.equal(FALSE);
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});
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});
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describe('padU32', () => {
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it('left pads length < 64 bytes to 64 bytes', () => {
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expect(padU32(1)).to.equal('0000000000000000000000000000000000000000000000000000000000000001');
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});
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it('pads hex representation', () => {
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expect(padU32(0x123)).to.equal(PAD123);
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});
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it('pads decimal representation', () => {
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expect(padU32(291)).to.equal(PAD123);
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});
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it('pads string representation', () => {
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expect(padU32('0x123')).to.equal(PAD123);
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});
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it('pads BigNumber representation', () => {
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expect(padU32(new BigNumber(0x123))).to.equal(PAD123);
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});
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it('converts negative numbers to 2s complement', () => {
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expect(padU32(-123)).to.equal('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff85');
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});
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});
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describe('padFixedBytes', () => {
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it('right pads length < 64 bytes to 64 bytes (string)', () => {
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expect(padFixedBytes(`0x${SHORT15}`)).to.equal(LONG15);
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});
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it('right pads length < 64 bytes to 64 bytes (array)', () => {
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expect(padFixedBytes(BYTES15)).to.equal(LONG15);
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});
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it('right pads length > 64 bytes (64 byte multiples)', () => {
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expect(padFixedBytes(`0x${LONG15}${SHORT15}`)).to.equal(`${LONG15}${LONG15}`);
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});
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it('strips leading 0x when passed in', () => {
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expect(padFixedBytes(`0x${SHORT15}`)).to.equal(LONG15);
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});
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});
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describe('padBytes', () => {
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it('right pads length < 64, adding the length (string)', () => {
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const result = padBytes(`0x${SHORT15}`);
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expect(result.length).to.equal(128);
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expect(result).to.equal(`${padU32(8)}${LONG15}`);
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});
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it('right pads length < 64, adding the length (array)', () => {
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const result = padBytes(BYTES15);
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expect(result.length).to.equal(128);
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expect(result).to.equal(`${padU32(8)}${LONG15}`);
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});
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it('right pads length > 64, adding the length', () => {
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const result = padBytes(`0x${LONG15}${SHORT15}`);
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expect(result.length).to.equal(192);
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expect(result).to.equal(`${padU32(0x28)}${LONG15}${LONG15}`);
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});
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});
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describe('padString', () => {
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it('correctly converts & pads strings', () => {
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const result = padString('gavofyork');
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expect(result.length).to.equal(128);
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expect(result).to.equal(padBytes('0x6761766f66796f726b'));
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});
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});
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});
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