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Pruebas para números mayores a mil millones #21

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261 changes: 261 additions & 0 deletions tests/NumerosGrandesTest.php
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<?php

namespace Luecano\NumeroALetras\Tests;

use Luecano\NumeroALetras\NumeroALetras;
use ParseError;
use PHPUnit\Framework\TestCase;

class NumerosGrandesTest extends TestCase
{
/** @var NumeroALetras */
private $formatter;

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

// ──────────────────────────────────────────────
// Miles de millones (10^9)
// ──────────────────────────────────────────────

public function testMilMillones()
{
$this->assertEquals(
'MIL MILLONES',
$this->formatter->toWords(1000000000, 0)
);
}

public function testDosMilMillones()
{
$this->assertEquals(
'DOS MIL MILLONES',
$this->formatter->toWords(2000000000, 0)
);
}

public function testMilQuinientosMillones()
{
$this->assertEquals(
'MIL QUINIENTOS MILLONES',
$this->formatter->toWords(1500000000, 0)
);
}

public function testDiezMilMillones()
{
$this->assertEquals(
'DIEZ MIL MILLONES',
$this->formatter->toWords(10000000000, 0)
);
}

public function testCienMilMillones()
{
$this->assertEquals(
'CIEN MIL MILLONES',
$this->formatter->toWords(100000000000, 0)
);
}

public function testNovecientosNoventaYNueveMilMillones()
{
$this->assertEquals(
'NOVECIENTOS NOVENTA Y NUEVE MIL NOVECIENTOS NOVENTA Y NUEVE MILLONES NOVECIENTOS NOVENTA Y NUEVE MIL NOVECIENTOS NOVENTA Y NUEVE',
$this->formatter->toWords(999999999999, 0)
);
}

public function testMilesDeMillonesConUnidades()
{
// 1,234,567,890
$this->assertEquals(
'MIL DOSCIENTOS TREINTA Y CUATRO MILLONES QUINIENTOS SESENTA Y SIETE MIL OCHOCIENTOS NOVENTA',
$this->formatter->toWords(1234567890, 0)
);
}

public function testMilesDeMillonesConUnMillonAdicional()
{
$this->assertEquals(
'MIL UN MILLONES',
$this->formatter->toWords(1001000000, 0)
);
}

// ──────────────────────────────────────────────
// Billones (10^12) - escala larga
// ──────────────────────────────────────────────

public function testUnBillon()
{
$this->assertEquals(
'UN BILLÓN',
$this->formatter->toWords(1000000000000, 0)
);
}

public function testDosBillones()
{
$this->assertEquals(
'DOS BILLONES',
$this->formatter->toWords(2000000000000, 0)
);
}

public function testCienBillones()
{
$this->assertEquals(
'CIEN BILLONES',
$this->formatter->toWords(100000000000000, 0)
);
}

public function testBillonConMillones()
{
// 1,500,000,000,000
$this->assertEquals(
'UN BILLÓN QUINIENTOS MIL MILLONES',
$this->formatter->toWords(1500000000000, 0)
);
}

public function testBillonConTodo()
{
// 1,234,567,890,123
$this->assertEquals(
'UN BILLÓN DOSCIENTOS TREINTA Y CUATRO MIL QUINIENTOS SESENTA Y SIETE MILLONES OCHOCIENTOS NOVENTA MIL CIENTO VEINTITRÉS',
$this->formatter->toWords(1234567890123, 0)
);
}

public function testMaximo()
{
// 999,999,999,999,999
$this->assertEquals(
'NOVECIENTOS NOVENTA Y NUEVE BILLONES NOVECIENTOS NOVENTA Y NUEVE MIL NOVECIENTOS NOVENTA Y NUEVE MILLONES NOVECIENTOS NOVENTA Y NUEVE MIL NOVECIENTOS NOVENTA Y NUEVE',
$this->formatter->toWords(999999999999999, 0)
);
}

public function testDosBillonesConUnidades()
{
// 2,000,000,000,001
$this->assertEquals(
'DOS BILLONES UNO',
$this->formatter->toWords(2000000000001, 0)
);
}

public function testBillonConMiles()
{
// 1,000,000,001,000
$this->assertEquals(
'UN BILLÓN MIL',
$this->formatter->toWords(1000000001000, 0)
);
}

// ──────────────────────────────────────────────
// Formato moneda con números grandes
// ──────────────────────────────────────────────

public function testDineroMilMillones()
{
$this->assertEquals(
'MIL MILLONES PESOS',
$this->formatter->toMoney(1000000000, 2, 'PESOS', 'CENTAVOS')
);
}

public function testDineroBillon()
{
$this->assertEquals(
'UN BILLÓN DÓLARES',
$this->formatter->toMoney(1000000000000, 2, 'DÓLARES', 'CENTAVOS')
);
}

public function testDineroBillonConCentavos()
{
$this->assertEquals(
'UN BILLÓN DÓLARES CON CINCUENTA CENTAVOS',
$this->formatter->toMoney(1000000000000.50, 2, 'DÓLARES', 'CENTAVOS')
);
}

// ──────────────────────────────────────────────
// Formato factura con números grandes
// ──────────────────────────────────────────────

public function testFacturaMilMillones()
{
$this->assertEquals(
'MIL MILLONES CON 00/100 SOLES',
$this->formatter->toInvoice(1000000000, 2, 'SOLES')
);
}

// ──────────────────────────────────────────────
// Apócope con números grandes
// ──────────────────────────────────────────────

public function testApocopeDeBillon()
{
$this->formatter->apocope = true;
$this->assertEquals(
'UN BILLÓN',
$this->formatter->toWords(1000000000000, 0)
);
}

public function testApocopeDeBillonConUno()
{
$this->formatter->apocope = true;
$this->assertEquals(
'UN BILLÓN UN',
$this->formatter->toWords(1000000000001, 0)
);
}

// ──────────────────────────────────────────────
// Excepción para número fuera de rango
// ──────────────────────────────────────────────

public function testExcepcionNumeroMuyGrande()
{
$this->expectException(ParseError::class);
$this->formatter->toWords(1000000000000000, 0);
}

// ──────────────────────────────────────────────
// Retrocompatibilidad: números < 1,000,000,000
// ──────────────────────────────────────────────

public function retrocompatibilidadProvider()
{
return [
[0, 'CERO '],
[1, 'UNO'],
[16, 'DIECISÉIS'],
[100, 'CIEN'],
[1000, 'MIL'],
[1100, 'MIL CIEN'],
[1016, 'MIL DIECISÉIS'],
[84, 'OCHENTA Y CUATRO'],
[1000000, 'UN MILLÓN'],
[2000000, 'DOS MILLONES'],
[999999999, 'NOVECIENTOS NOVENTA Y NUEVE MILLONES NOVECIENTOS NOVENTA Y NUEVE MIL NOVECIENTOS NOVENTA Y NUEVE'],
];
}

/**
* @dataProvider retrocompatibilidadProvider
*/
public function testRetrocompatibilidad(int $number, string $expected)
{
$this->assertEquals($expected, $this->formatter->toWords($number, 0));
}
}