From 570721893f54e961e829ecc3620e020fae3aed01 Mon Sep 17 00:00:00 2001
From: mouson <mouson@gmail.com>
Date: Tue, 10 Jan 2017 04:00:48 +0800
Subject: [PATCH] =?UTF-8?q?Issue=20#1=20=E5=A2=9E=E5=8A=A0=E6=B8=AC?=
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---
 .../DoubleSequenceCalculatorTest.php          | 51 +++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 tests/Mouson/Helpers/SequenceCalculator/DoubleSequenceCalculatorTest.php

diff --git a/tests/Mouson/Helpers/SequenceCalculator/DoubleSequenceCalculatorTest.php b/tests/Mouson/Helpers/SequenceCalculator/DoubleSequenceCalculatorTest.php
new file mode 100644
index 0000000..6bd7dfd
--- /dev/null
+++ b/tests/Mouson/Helpers/SequenceCalculator/DoubleSequenceCalculatorTest.php
@@ -0,0 +1,51 @@
+<?php
+namespace Mouson\Helpers\SequenceCalculator;
+use PHPUnit\Framework\TestCase;
+
+class DoubleSequenceCalculatorTest extends TestCase
+{
+    public function test_物件產生後應可以取得物件名稱()
+    {
+        /** Arrange */
+        $target = new DoubleSequenceCalculator();
+
+        /** Assume */
+        $expected = 'Double';
+
+        /** Act */
+        $actual = $target->getSequenceName();
+
+        /** Assert */
+        $this->assertEquals($expected, $actual);
+    }
+
+    public function test_測試雙倍數列輸入0應回傳0()
+    {
+        /** Arrange */
+        $target = new DoubleSequenceCalculator();
+        $value  = 0;
+        /** Assume */
+        $expected = 0;
+
+        /** Act */
+        $actual = $target->calculate($value);
+
+        /** Assert */
+        $this->assertEquals($expected, $actual);
+    }
+
+    public function test_測試雙倍數列輸入2應回傳4()
+    {
+        /** Arrange */
+        $target = new DoubleSequenceCalculator();
+        $value  = 2;
+        /** Assume */
+        $expected = 4;
+
+        /** Act */
+        $actual = $target->calculate($value);
+
+        /** Assert */
+        $this->assertEquals($expected, $actual);
+    }
+}