diff --git a/tests/phpunit/tests/comment/getPageOfComment.php b/tests/phpunit/tests/comment/getPageOfComment.php
new file mode 100644
index 0000000000..5e03a16780
--- /dev/null
+++ b/tests/phpunit/tests/comment/getPageOfComment.php
@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * @group comment
+ * @covers ::get_page_of_comment
+ */
+class Tests_Comment_GetPageOfComment extends WP_UnitTestCase {
+
+	public function setUp() {
+		parent::setUp();
+	}
+
+	public function test_last_comment() {
+		$p = $this->factory->post->create();
+
+		// page 4
+		$comment_last = $this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-24 00:00:00' ) );
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-23 00:00:00' ) );
+
+		// page 3
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-22 00:00:00' ) );
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-21 00:00:00' ) );
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-20 00:00:00' ) );
+
+		// page 2
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-19 00:00:00' ) );
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-18 00:00:00' ) );
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-17 00:00:00' ) );
+
+		// page 1
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-16 00:00:00' ) );
+		$this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-15 00:00:00' ) );
+		$comment_first = $this->factory->comment->create_post_comments( $p, 1, array( 'comment_date' => '2013-09-14 00:00:00' ) );
+
+		$this->assertEquals( 4, get_page_of_comment( $comment_last[0],  array( 'per_page' =>  3 ) ) );
+		$this->assertEquals( 2, get_page_of_comment( $comment_last[0],  array( 'per_page' => 10 ) ) );
+
+		$this->assertEquals( 1, get_page_of_comment( $comment_first[0], array( 'per_page' =>  3 ) ) );
+		$this->assertEquals( 1, get_page_of_comment( $comment_first[0], array( 'per_page' => 10 ) ) );
+	}
+}