Created
March 22, 2019 14:35
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const BankAccount = require("../../src/liskov_substitution/bank_account"); | |
describe('bank account', () => { | |
it('credit account', () => { | |
const account = new BankAccount(); | |
account.credit(account, 50); | |
expect(account.balance).toBe(50); | |
}) | |
it('debit account with sufficient funds', () => { | |
const account = new BankAccount(); | |
account.credit(account, 50); | |
account.debit(account, 50); | |
expect(account.balance).toBe(0); | |
}) | |
it('debit account with insufficient funds', () => { | |
const account = new BankAccount(); | |
account.credit(account, 50); | |
expect(() => account.debit(account, 51)).toThrow('Insufficient funds error'); | |
}) | |
}) |
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