Initial commit

tests/Unit/FileModeTest.php

@@ -0,0 +1,19 @@
+<?php
+
+use Shufflingpixels\IO\FileMode;
+
+it('defines expected fopen mode values', function () {
+    expect(FileMode::READ->value)->toBe('r')
+        ->and(FileMode::WRITE->value)->toBe('w')
+        ->and(FileMode::RW->value)->toBe('r+');
+});
+
+it('reports read and write capabilities for each mode', function () {
+    expect(FileMode::READ->readable())->toBeTrue()
+        ->and(FileMode::READ->writeable())->toBeFalse()
+        ->and(FileMode::WRITE->readable())->toBeFalse()
+        ->and(FileMode::WRITE->writeable())->toBeTrue()
+        ->and(FileMode::RW->readable())->toBeTrue()
+        ->and(FileMode::RW->writeable())->toBeTrue()
+        ->and(FileMode::READ->seekable())->toBeTrue();
+});