openzeppelin-contracts/test/utils/structs/EnumerableMap.test.js

const { BN, constants } = require('@openzeppelin/test-helpers');
const { mapValues } = require('../../helpers/map-values');

const EnumerableMap = artifacts.require('$EnumerableMap');

const { shouldBehaveLikeMap } = require('./EnumerableMap.behavior');

const getMethods = (ms) => {
  return mapValues(ms, m => (self, ...args) => self.methods[m](0, ...args));
};

contract('EnumerableMap', function (accounts) {
  const [ accountA, accountB, accountC ] = accounts;

  const keyA = new BN('7891');
  const keyB = new BN('451');
  const keyC = new BN('9592328');

  const bytesA = '0xdeadbeef'.padEnd(66, '0');
  const bytesB = '0x0123456789'.padEnd(66, '0');
  const bytesC = '0x42424242'.padEnd(66, '0');

  beforeEach(async function () {
    this.map = await EnumerableMap.new();
  });

  // AddressToUintMap
  describe('AddressToUintMap', function () {
    shouldBehaveLikeMap(
      [ accountA, accountB, accountC ],
      [ keyA, keyB, keyC ],
      new BN('0'),
      getMethods({
        set: '$set(uint256,address,uint256)',
        get: '$get(uint256,address)',
        getWithMessage: '$get(uint256,address,string)',
        tryGet: '$tryGet(uint256,address)',
        remove: '$remove(uint256,address)',
        length: '$length_EnumerableMap_AddressToUintMap(uint256)',
        at: '$at_EnumerableMap_AddressToUintMap(uint256,uint256)',
        contains: '$contains(uint256,address)',
      }),
      {
        setReturn: 'return$set_EnumerableMap_AddressToUintMap_address_uint256',
        removeReturn: 'return$remove_EnumerableMap_AddressToUintMap_address',
      },
    );
  });

  // UintToAddressMap
  describe('UintToAddressMap', function () {
    shouldBehaveLikeMap(
      [ keyA, keyB, keyC ],
      [ accountA, accountB, accountC ],
      constants.ZERO_ADDRESS,
      getMethods({
        set: '$set(uint256,uint256,address)',
        get: '$get_EnumerableMap_UintToAddressMap(uint256,uint256)',
        getWithMessage: '$get_EnumerableMap_UintToAddressMap(uint256,uint256,string)',
        tryGet: '$tryGet_EnumerableMap_UintToAddressMap(uint256,uint256)',
        remove: '$remove_EnumerableMap_UintToAddressMap(uint256,uint256)',
        length: '$length_EnumerableMap_UintToAddressMap(uint256)',
        at: '$at_EnumerableMap_UintToAddressMap(uint256,uint256)',
        contains: '$contains_EnumerableMap_UintToAddressMap(uint256,uint256)',
      }),
      {
        setReturn: 'return$set_EnumerableMap_UintToAddressMap_uint256_address',
        removeReturn: 'return$remove_EnumerableMap_UintToAddressMap_uint256',
      },
    );
  });

  // Bytes32ToBytes32Map
  describe('Bytes32ToBytes32Map', function () {
    shouldBehaveLikeMap(
      [ keyA, keyB, keyC ].map(k => '0x' + k.toString(16).padEnd(64, '0')),
      [ bytesA, bytesB, bytesC ],
      constants.ZERO_BYTES32,
      getMethods({
        set: '$set(uint256,bytes32,bytes32)',
        get: '$get_EnumerableMap_Bytes32ToBytes32Map(uint256,bytes32)',
        getWithMessage: '$get_EnumerableMap_Bytes32ToBytes32Map(uint256,bytes32,string)',
        tryGet: '$tryGet_EnumerableMap_Bytes32ToBytes32Map(uint256,bytes32)',
        remove: '$remove_EnumerableMap_Bytes32ToBytes32Map(uint256,bytes32)',
        length: '$length_EnumerableMap_Bytes32ToBytes32Map(uint256)',
        at: '$at_EnumerableMap_Bytes32ToBytes32Map(uint256,uint256)',
        contains: '$contains_EnumerableMap_Bytes32ToBytes32Map(uint256,bytes32)',
      }),
      {
        setReturn: 'return$set_EnumerableMap_Bytes32ToBytes32Map_bytes32_bytes32',
        removeReturn: 'return$remove_EnumerableMap_Bytes32ToBytes32Map_bytes32',
      },
    );
  });

  // UintToUintMap
  describe('UintToUintMap', function () {
    shouldBehaveLikeMap(
      [ keyA, keyB, keyC ],
      [ keyA, keyB, keyC ].map(k => k.add(new BN('1332'))),
      new BN('0'),
      getMethods({
        set: '$set(uint256,uint256,uint256)',
        get: '$get_EnumerableMap_UintToUintMap(uint256,uint256)',
        getWithMessage: '$get_EnumerableMap_UintToUintMap(uint256,uint256,string)',
        tryGet: '$tryGet_EnumerableMap_UintToUintMap(uint256,uint256)',
        remove: '$remove_EnumerableMap_UintToUintMap(uint256,uint256)',
        length: '$length_EnumerableMap_UintToUintMap(uint256)',
        at: '$at_EnumerableMap_UintToUintMap(uint256,uint256)',
        contains: '$contains_EnumerableMap_UintToUintMap(uint256,uint256)',
      }),
      {
        setReturn: 'return$set_EnumerableMap_UintToUintMap_uint256_uint256',
        removeReturn: 'return$remove_EnumerableMap_UintToUintMap_uint256',
      },
    );
  });

  // Bytes32ToUintMap
  describe('Bytes32ToUintMap', function () {
    shouldBehaveLikeMap(
      [ bytesA, bytesB, bytesC ],
      [ keyA, keyB, keyC ],
      new BN('0'),
      getMethods({
        set: '$set(uint256,bytes32,uint256)',
        get: '$get_EnumerableMap_Bytes32ToUintMap(uint256,bytes32)',
        getWithMessage: '$get_EnumerableMap_Bytes32ToUintMap(uint256,bytes32,string)',
        tryGet: '$tryGet_EnumerableMap_Bytes32ToUintMap(uint256,bytes32)',
        remove: '$remove_EnumerableMap_Bytes32ToUintMap(uint256,bytes32)',
        length: '$length_EnumerableMap_Bytes32ToUintMap(uint256)',
        at: '$at_EnumerableMap_Bytes32ToUintMap(uint256,uint256)',
        contains: '$contains_EnumerableMap_Bytes32ToUintMap(uint256,bytes32)',
      }),
      {
        setReturn: 'return$set_EnumerableMap_Bytes32ToUintMap_bytes32_uint256',
        removeReturn: 'return$remove_EnumerableMap_Bytes32ToUintMap_bytes32',
      },
    );
  });
});