chore: complete update

tests/Domain/QrCode/ValueObject/GaloisFieldTest.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Domain\QrCode\ValueObject\GaloisField;
+
+test('GaloisField Arithmetik funktioniert korrekt', function () {
+    $field = new GaloisField();
+
+    // Addition (XOR) Tests
+    expect($field->add(0, 0))->toBe(0);
+    expect($field->add(0, 1))->toBe(1);
+    expect($field->add(1, 0))->toBe(1);
+    expect($field->add(1, 1))->toBe(0);
+    expect($field->add(15, 32))->toBe(47);
+
+    // Multiplikation Tests
+    expect($field->multiply(0, 5))->toBe(0);
+    expect($field->multiply(5, 0))->toBe(0);
+    expect($field->multiply(1, 1))->toBe(1);
+    expect($field->multiply(2, 3))->toBe(6);
+
+    // Division Tests
+    expect($field->divide(0, 5))->toBe(0);
+    expect($field->divide(5, 1))->toBe(5);
+    expect($field->divide(6, 3))->toBe(2);
+
+    // Division durch Null sollte Exception werfen
+    expect(fn() => $field->divide(5, 0))->toThrow(\DivisionByZeroError::class);
+
+    // Potenzen Tests
+    expect($field->power(2, 0))->toBe(1);  // 2^0 = 1
+    expect($field->power(2, 1))->toBe(2);  // 2^1 = 2
+    expect($field->power(2, 2))->toBe(4);  // 2^2 = 4
+    expect($field->power(2, 3))->toBe(8);  // 2^3 = 8
+});
+
+test('GaloisField Tabellen sind korrekt initialisiert', function () {
+    $field = new GaloisField();
+
+    $expTable = $field->getExpTable();
+    $logTable = $field->getLogTable();
+
+    // Prüfe grundlegende Eigenschaften der Tabellen
+    expect(count($expTable))->toBe(256);
+    expect(count($logTable))->toBe(256);
+
+    // Prüfe spezifische Werte
+    expect($expTable[0])->toBe(1);
+    expect($expTable[1])->toBe(2);
+    expect($expTable[2])->toBe(4);
+    expect($expTable[3])->toBe(8);
+
+    // Prüfe Log-Tabelle
+    expect($logTable[1])->toBe(0);
+    expect($logTable[2])->toBe(1);
+    expect($logTable[4])->toBe(2);
+    expect($logTable[8])->toBe(3);
+});