@ethereum-waffle/chai/dist/esm/src/matchers/reverted.js

A sweet set of chai matchers for your blockchain testing needs.

import { callPromise } from '../call-promise';
export function supportReverted(Assertion) {
    Assertion.addProperty('reverted', function () {
        callPromise(this);
        const onError = (error) => {
            const message = (error instanceof Object && 'message' in error) ? error.message : JSON.stringify(error);
            const isReverted = message.search('revert') >= 0;
            const isThrown = message.search('invalid opcode') >= 0;
            const isError = message.search('code=') >= 0;
            this.assert(isReverted || isThrown || isError, `Expected transaction to be reverted, but other exception was thrown: ${error}`, `Expected transaction NOT to be reverted, but it was reverted with "${message}"`, 'Transaction reverted.', error);
            return error;
        };
        const assertNotReverted = () => this.assert(false, 'Expected transaction to be reverted', 'Expected transaction NOT to be reverted', 'Transaction reverted.', 'Transaction NOT reverted.');
        this.callPromise = this.callPromise.then(assertNotReverted, onError);
        this.then = this.callPromise.then.bind(this.callPromise);
        this.catch = this.callPromise.catch.bind(this.callPromise);
        return this;
    });
}
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