From a8bdd54346f8b932ede78f7a9a0764ee336fd281 Mon Sep 17 00:00:00 2001
From: NeonXP <neonxp@NeonXP-VAIO.(none)>
Date: Thu, 14 Mar 2013 04:27:37 +0400
Subject: Initial commit

---
 NXP/Tests/MathTest.php | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 NXP/Tests/MathTest.php

(limited to 'NXP/Tests')

diff --git a/NXP/Tests/MathTest.php b/NXP/Tests/MathTest.php
new file mode 100644
index 0000000..6ab67ee
--- /dev/null
+++ b/NXP/Tests/MathTest.php
@@ -0,0 +1,60 @@
+<?php
+/**
+ * Author: Alexander "NeonXP" Kiryukhin
+ * Date: 14.03.13
+ * Time: 3:41
+ */
+namespace NXP\Tests;
+
+use \NXP\MathExecutor;
+
+class MathTest extends \PHPUnit_Framework_TestCase {
+    public function setup()
+    {
+        require '../MathExecutor.php';
+    }
+    public function testCalculating()
+    {
+        $calculator = new MathExecutor();
+        for ($i = 1; $i <= 10; $i++) {
+            $expression = $this->generateExpression();
+            print "Test #$i. Expression: '$expression'\t";
+
+            eval('$result1 = ' . $expression . ';');
+            print "PHP result: $result1 \t";
+            $result2 = $calculator->execute($expression);
+            print "NXP Math Executor result: $result2\n";
+            $this->assertEquals($result1, $result2);
+        }
+    }
+
+    private function generateExpression()
+    {
+        $operators = [ '+', '-', '*', '/' ];
+        $number = true;
+        $expression = '';
+        $brackets = 0;
+        for ($i = 1; $i < rand(1,10)*2; $i++) {
+            if ($number) {
+                $expression .= rand(1,100)*0.5;
+            } else {
+                $expression .= $operators[rand(0,3)];
+            }
+            $number = !$number;
+            $rand = rand(1,5);
+            if (($rand == 1) && ($number)) {
+                $expression .= '(';
+                $brackets++;
+            } elseif (($rand == 2) && (!$number) && ($brackets > 0)) {
+                $expression .= ')';
+                $brackets--;
+            }
+        }
+        if ($number) {
+            $expression .= rand(1,100)*0.5;
+        }
+        $expression .=  str_repeat(')', $brackets);
+
+        return $expression;
+    }
+}
\ No newline at end of file
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