Added elgg_instanceof().

git-svn-id: http://code.elgg.org/elgg/trunk@5353 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 67 insertions, 0 deletions

diff --git a/engine/tests/api/helpers.php b/engine/tests/api/helpers.php
new file mode 100644
index 000000000..a2152a0ef
--- /dev/null
+++ b/engine/tests/api/helpers.php
@@ -0,0 +1,67 @@
+<?php
+/**
+ * Elgg Test helper functions
+ *
+ *
+ * @package Elgg
+ * @subpackage Test
+ * @author Curverider Ltd
+ * @link http://elgg.org/
+ */
+class ElggCoreHelpersTest extends ElggCoreUnitTest {
+
+	/**
+	 * Called before each test object.
+	 */
+	public function __construct() {
+		parent::__construct();
+	}
+
+	/**
+	 * Called before each test method.
+	 */
+	public function setUp() {
+
+	}
+
+	/**
+	 * Called after each test method.
+	 */
+	public function tearDown() {
+		// do not allow SimpleTest to interpret Elgg notices as exceptions
+		$this->swallowErrors();
+	}
+
+	/**
+	 * Called after each test object.
+	 */
+	public function __destruct() {
+		// all __destruct() code should go above here
+		parent::__destruct();
+	}
+
+	/**
+	 * Test elgg_instanceof()
+	 * @return unknown_type
+	 */
+	public function testElggInstanceOf() {
+		$entity = new ElggObject();
+		$entity->subtype = 'test_subtype';
+		$entity->save();
+
+		$this->assertTrue(elgg_instanceof($entity));
+		$this->assertTrue(elgg_instanceof($entity, 'object'));
+		$this->assertTrue(elgg_instanceof($entity, 'object', 'test_subtype'));
+
+		$this->assertFalse(elgg_instanceof($entity, 'object', 'invalid_subtype'));
+		$this->assertFalse(elgg_instanceof($entity, 'user', 'test_subtype'));
+
+		$entity->delete();
+
+		$bad_entity = FALSE;
+		$this->assertFalse(elgg_instanceof($bad_entity));
+		$this->assertFalse(elgg_instanceof($bad_entity, 'object'));
+		$this->assertFalse(elgg_instanceof($bad_entity, 'object', 'test_subtype'));
+
+	}
+}