i-built-a-dapp-game-0.js

export default async function expectRevert(promise) {
  try {
    await promise;
  } catch (error) {
    const invalidJump = error.message.search("invalid JUMP") >= 0;
    const revert = error.message.search("revert") >= 0;
    const outOfGas = error.message.search("out of gas") >= 0;
    const invalidOpcode = error.message.search("invalid opcode") >= 0;
    if (revert || invalidJump || outOfGas || invalidOpcode) {
      return;
    }
  }
  assert.fail("Expected revert not received");
}