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✏️ Editing: BankAccountTest.php

<?php
use PHPUnit\Framework\TestCase;

class BankAccountTest extends TestCase
{
    protected $ba;

protected function setUp(): void
    {
        $this->ba = new BankAccount;
    }

/**
     * @covers BankAccount::getBalance
     */
    public function testBalanceIsInitiallyZero()
    {
        $this->assertEquals(0, $this->ba->getBalance());
    }

/**
     * @covers BankAccount::withdrawMoney
     */
    public function testBalanceCannotBecomeNegative()
    {
        try {
            $this->ba->withdrawMoney(1);
        } catch (RuntimeException $e) {
            $this->assertEquals(0, $this->ba->getBalance());

return;
        }

$this->fail();
    }

/**
     * @covers BankAccount::depositMoney
     */
    public function testBalanceCannotBecomeNegative2()
    {
        try {
            $this->ba->depositMoney(-1);
        } catch (RuntimeException $e) {
            $this->assertEquals(0, $this->ba->getBalance());

return;
        }

$this->fail();
    }

/**
     * @covers BankAccount::getBalance
     * @covers BankAccount::depositMoney
     * @covers BankAccount::withdrawMoney
     */
    public function testDepositWithdrawMoney()
    {
        $this->assertEquals(0, $this->ba->getBalance());
        $this->ba->depositMoney(1);
        $this->assertEquals(1, $this->ba->getBalance());
        $this->ba->withdrawMoney(1);
        $this->assertEquals(0, $this->ba->getBalance());
    }
}

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