add unit test

Author: tsuruoka-t

tests/SimplePaginationTest.php

@@ -0,0 +1,35 @@
+<?php
+require_once dirname(__DIR__).'/SimplePagination.php';
+
+class SimplePaginationTest extends PHPUnit_Framework_TestCase
+{
+    public function test_construct()
+    {   
+        $pagination = new SimplePagination(1, 10);
+        $this->assertEquals(1, $pagination->current);
+        $this->assertEquals(0, $pagination->prev);
+        $this->assertEquals(2, $pagination->next);
+        $this->assertEquals(10, $pagination->count);
+        $this->assertEquals(1, $pagination->start_index);
+
+        $pagination = new SimplePagination(2, 10);
+        $this->assertEquals(2, $pagination->current);
+        $this->assertEquals(1, $pagination->prev);
+        $this->assertEquals(3, $pagination->next);
+        $this->assertEquals(10, $pagination->count);
+        $this->assertEquals(11, $pagination->start_index);
+    }   
+
+    public function test_checkLastPage()
+    {
+        $items = array('a', 'b', 'c', 'd');
+        $pagination = new SimplePagination(1, 3);
+        $pagination->checkLastPage($items);
+        $this->assertFalse($pagination->is_last_page);
+
+        $items = array('e', 'f', 'g');
+        $pagination = new SimplePagination(2, 3);
+        $pagination->checkLastPage($items);
+        $this->assertTrue($pagination->is_last_page);
+    }
+}