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flight/util/Collection.php

@@ -16,7 +16,7 @@ use Iterator;
 use JsonSerializable;
 
 if (!interface_exists('JsonSerializable')) {
-    require_once __DIR__ . '/LegacyJsonSerializable.php';
+    require_once __DIR__ . '/LegacyJsonSerializable.php'; // @codeCoverageIgnore
 }
 
 /**

tests/CollectionTest.php

@@ -0,0 +1,98 @@
+<?php
+/**
+ * Flight: An extensible micro-framework.
+ *
+ * @copyright   Copyright (c) 2012, Mike Cao <mike@mikecao.com>
+ * @license     MIT, http://flightphp.com/license
+ */
+class CollectionTest extends PHPUnit\Framework\TestCase
+{
+	/**
+	 * @var \flight\util\Collection
+	 */
+	private $collection;
+
+	protected function setUp(): void
+	{
+		$this->collection = new \flight\util\Collection(['a' => 1, 'b' => 2]);
+	}
+
+	// Get an item
+	public function testGet()
+	{
+		$this->assertEquals(1, $this->collection->a);
+	}
+
+	// Set an item
+	public function testSet()
+	{
+		$this->collection->c = 3;
+		$this->assertEquals(3, $this->collection->c);
+	}
+
+	// Check if an item exists
+	public function testExists()
+	{
+		$this->assertTrue(isset($this->collection->a));
+	}
+
+	// Unset an item
+	public function testUnset()
+	{
+		unset($this->collection->a);
+		$this->assertFalse(isset($this->collection->a));
+	}
+
+	// Count items
+	public function testCount()
+	{
+		$this->assertEquals(2, count($this->collection));
+	}
+
+	// Iterate through items
+	public function testIterate()
+	{
+		$items = [];
+		foreach ($this->collection as $key => $value) {
+			$items[$key] = $value;
+		}
+
+		$this->assertEquals(['a' => 1, 'b' => 2], $items);
+	}
+
+	public function testJsonSerialize()
+	{
+		$this->assertEquals(['a' => 1, 'b' => 2], $this->collection->jsonSerialize());
+	}
+
+	public function testOffsetSetWithNullOffset() {
+		$this->collection->offsetSet(null, 3);
+		$this->assertEquals(3, $this->collection->offsetGet(0));
+	}
+
+	public function testOffsetExists() {
+		$this->collection->a = 1;
+		$this->assertTrue($this->collection->offsetExists('a'));
+	}
+
+	public function testOffsetUnset() {
+		$this->collection->a = 1;
+		$this->assertTrue($this->collection->offsetExists('a'));
+		$this->collection->offsetUnset('a');
+		$this->assertFalse($this->collection->offsetExists('a'));
+	}
+
+	public function testKeys() {
+		$this->collection->a = 1;
+		$this->collection->b = 2;
+		$this->assertEquals(['a', 'b'], $this->collection->keys());
+	}
+
+	public function testClear() {
+		$this->collection->a = 1;
+		$this->collection->b = 2;
+		$this->assertEquals(['a', 'b'], $this->collection->keys());
+		$this->collection->clear();
+		$this->assertEquals(0, $this->collection->count());
+	}
+}