<?php

namespace Tests\Unit;

use PHPUnit\Framework\TestCase;
use System\Classes\MyException;

class MyExceptionTest extends TestCase
{
    public function testMessageWithoutVariables(): void
    {
        $e = new MyException('Something went wrong');
        $this->assertSame('Something went wrong', $e->getMessage());
    }

    public function testMessageWithVariables(): void
    {
        $e = new MyException('File :file not found', [':file' => 'test.html']);
        $this->assertSame('File test.html not found', $e->getMessage());
    }

    public function testMultipleVariables(): void
    {
        $e = new MyException(':a + :b = :c', [':a' => '1', ':b' => '2', ':c' => '3']);
        $this->assertSame('1 + 2 = 3', $e->getMessage());
    }

    public function testNullVariablesLeavesMessageUntouched(): void
    {
        $e = new MyException('Plain :message', null);
        $this->assertSame('Plain :message', $e->getMessage());
    }

    public function testCodeIsSet(): void
    {
        $e = new MyException('Error', null, 42);
        $this->assertSame(42, $e->getCode());
    }

    public function testDefaultCode(): void
    {
        $e = new MyException('Error');
        $this->assertSame(0, $e->getCode());
    }

    public function testPreviousException(): void
    {
        $prev = new \Exception('original');
        $e    = new MyException('Wrapped', null, 0, $prev);
        $this->assertSame($prev, $e->getPrevious());
    }

    public function testExtendsException(): void
    {
        $e = new MyException('test');
        $this->assertInstanceOf(\Exception::class, $e);
    }
}