Add test for vipgoci_round_array_items()

tests/MiscRoundArrayItemsTest.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Vipgoci\tests;
+
+require_once( __DIR__ . '/IncludesForTests.php' );
+
+use PHPUnit\Framework\TestCase;
+
+// phpcs:disable PSR1.Files.SideEffects
+
+final class MiscRoundArrayItemsTest extends TestCase {
+	/**
+	 * @covers ::vipgoci_round_array_items
+	 */
+	public function testRoundArrayItems() {
+		$org_array = array(
+			'test1'	=> 10.333330,
+			'test2'	=> 0.034444444,
+			'test3'	=> 3.359999999,
+			'test4'	=> 5.0000003,
+			'test5'	=> 7.377777777,
+			'test6'	=> 5.00000001,
+		);
+
+		$res_array = vipgoci_round_array_items(
+			$org_array,
+			2,
+			PHP_ROUND_HALF_UP
+		);
+
+		$expected_array = array(
+			'test1'	=> 10.33,
+			'test2'	=> 0.03,
+			'test3'	=> 3.36,
+			'test4'	=> 5.00,
+			'test5'	=> 7.38,
+			'test6'	=> 5.0,
+		);
+
+		$this->assertSame(
+			$expected_array,
+			$res_array
+		);
+	}
+}