selfkey-token/test/utils/assertThrows.js

The SelfKey Token is an ERC20 standard token that is used to fuel the SelfKey KYC dapps

// adapted from https://github.com/OpenZeppelin/zeppelin-solidity/blob/master/test/helpers/expectThrow.js

const INVALID_OPCODE = 'invalid opcode'
const OUT_OF_GAS = 'out of gas'
const REVERT = 'revert'

const assertThrows = async promise => {
  try {
    await promise
    assert.fail('Expected throw not received')
  } catch (error) {
    const invalidOpcode = error.message.search(INVALID_OPCODE) >= 0
    const outOfGas = error.message.search(OUT_OF_GAS) >= 0
    const revert = error.message.search(REVERT) >= 0
    assert.isTrue(
      invalidOpcode || outOfGas || revert,
      `Expected throw, but got '${error}'`
    )
  }
}

module.exports = assertThrows