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),
  );
};

// Get the name of the library. In the transpiled code it will be EnumerableMapUpgradeable.
const library = EnumerableMap._json.contractName.replace(/^\$/, '');

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)',
        tryGet: '$tryGet(uint256,address)',
        remove: '$remove(uint256,address)',
        length: `$length_${library}_AddressToUintMap(uint256)`,
        at: `$at_${library}_AddressToUintMap(uint256,uint256)`,
        contains: '$contains(uint256,address)',
        keys: `$keys_${library}_AddressToUintMap(uint256)`,
      }),
      {
        setReturn: `return$set_${library}_AddressToUintMap_address_uint256`,
        removeReturn: `return$remove_${library}_AddressToUintMap_address`,
      },
    );
  });

  // UintToAddressMap
  describe('UintToAddressMap', function () {
    shouldBehaveLikeMap(
      [keyA, keyB, keyC],
      [accountA, accountB, accountC],
      constants.ZERO_ADDRESS,
      getMethods({
        set: '$set(uint256,uint256,address)',
        get: `$get_${library}_UintToAddressMap(uint256,uint256)`,
        tryGet: `$tryGet_${library}_UintToAddressMap(uint256,uint256)`,
        remove: `$remove_${library}_UintToAddressMap(uint256,uint256)`,
        length: `$length_${library}_UintToAddressMap(uint256)`,
        at: `$at_${library}_UintToAddressMap(uint256,uint256)`,
        contains: `$contains_${library}_UintToAddressMap(uint256,uint256)`,
        keys: `$keys_${library}_UintToAddressMap(uint256)`,
      }),
      {
        setReturn: `return$set_${library}_UintToAddressMap_uint256_address`,
        removeReturn: `return$remove_${library}_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_${library}_Bytes32ToBytes32Map(uint256,bytes32)`,
        tryGet: `$tryGet_${library}_Bytes32ToBytes32Map(uint256,bytes32)`,
        remove: `$remove_${library}_Bytes32ToBytes32Map(uint256,bytes32)`,
        length: `$length_${library}_Bytes32ToBytes32Map(uint256)`,
        at: `$at_${library}_Bytes32ToBytes32Map(uint256,uint256)`,
        contains: `$contains_${library}_Bytes32ToBytes32Map(uint256,bytes32)`,
        keys: `$keys_${library}_Bytes32ToBytes32Map(uint256)`,
      }),
      {
        setReturn: `return$set_${library}_Bytes32ToBytes32Map_bytes32_bytes32`,
        removeReturn: `return$remove_${library}_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_${library}_UintToUintMap(uint256,uint256)`,
        tryGet: `$tryGet_${library}_UintToUintMap(uint256,uint256)`,
        remove: `$remove_${library}_UintToUintMap(uint256,uint256)`,
        length: `$length_${library}_UintToUintMap(uint256)`,
        at: `$at_${library}_UintToUintMap(uint256,uint256)`,
        contains: `$contains_${library}_UintToUintMap(uint256,uint256)`,
        keys: `$keys_${library}_UintToUintMap(uint256)`,
      }),
      {
        setReturn: `return$set_${library}_UintToUintMap_uint256_uint256`,
        removeReturn: `return$remove_${library}_UintToUintMap_uint256`,
      },
    );
  });

  // Bytes32ToUintMap
  describe('Bytes32ToUintMap', function () {
    shouldBehaveLikeMap(
      [bytesA, bytesB, bytesC],
      [keyA, keyB, keyC],
      new BN('0'),
      getMethods({
        set: '$set(uint256,bytes32,uint256)',
        get: `$get_${library}_Bytes32ToUintMap(uint256,bytes32)`,
        tryGet: `$tryGet_${library}_Bytes32ToUintMap(uint256,bytes32)`,
        remove: `$remove_${library}_Bytes32ToUintMap(uint256,bytes32)`,
        length: `$length_${library}_Bytes32ToUintMap(uint256)`,
        at: `$at_${library}_Bytes32ToUintMap(uint256,uint256)`,
        contains: `$contains_${library}_Bytes32ToUintMap(uint256,bytes32)`,
        keys: `$keys_${library}_Bytes32ToUintMap(uint256)`,
      }),
      {
        setReturn: `return$set_${library}_Bytes32ToUintMap_bytes32_uint256`,
        removeReturn: `return$remove_${library}_Bytes32ToUintMap_bytes32`,
      },
    );
  });
});