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vendor/maennchen/zipstream-php/test/TimeTest.php

@@ -0,0 +1,44 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ZipStream\Test;
+
+use DateTimeImmutable;
+use PHPUnit\Framework\TestCase;
+use ZipStream\Exception\DosTimeOverflowException;
+use ZipStream\Time;
+
+class TimeTest extends TestCase
+{
+    public function testNormalDateToDosTime(): void
+    {
+        $this->assertSame(
+            Time::dateTimeToDosTime(new DateTimeImmutable('2014-11-17T17:46:08Z')),
+            1165069764
+        );
+
+        // January 1 1980 - DOS Epoch.
+        $this->assertSame(
+            Time::dateTimeToDosTime(new DateTimeImmutable('1980-01-01T00:00:00+00:00')),
+            2162688
+        );
+
+        // Local timezone different than UTC.
+        $prevLocalTimezone = date_default_timezone_get();
+        date_default_timezone_set('Europe/Berlin');
+        $this->assertSame(
+            Time::dateTimeToDosTime(new DateTimeImmutable('1980-01-01T00:00:00+00:00')),
+            2162688
+        );
+        date_default_timezone_set($prevLocalTimezone);
+    }
+
+    public function testTooEarlyDateToDosTime(): void
+    {
+        $this->expectException(DosTimeOverflowException::class);
+
+        // January 1 1980 is the minimum DOS Epoch.
+        Time::dateTimeToDosTime(new DateTimeImmutable('1970-01-01T00:00:00+00:00'));
+    }
+}