Index: tests/formatting/SanitizePost.php
===================================================================
--- tests/formatting/SanitizePost.php	(revision 0)
+++ tests/formatting/SanitizePost.php	(revision 0)
@@ -0,0 +1,36 @@
+<?php
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizePost extends WP_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+		$post_id = wp_insert_post( array(
+			'post_type' => 'post',
+			'post_status' => 'draft',
+			'post_content' => 'content',
+			'post_title' => 'title',
+		) );
+		$this->post = get_post( $post_id );
+	}
+
+	/**
+	 * @ticket 22324
+	 */
+	function test_int_fields() {
+		$int_fields = array( 'ID', 'post_parent', 'menu_order', 'post_author', 'comment_count' );
+		foreach ( $int_fields as $field )
+			$this->post->{$field} = 'string';
+
+		sanitize_post( $this->post );
+
+		foreach ( $int_fields as $field )
+			$this->assertTrue( is_int( $this->post->{$field} ), "Expected integer: {$field}" );
+	}
+
+	public function tearDown() {
+		parent::tearDown();
+		wp_delete_post( $this->post->ID, true );
+	}
+}