Support for better invalid expression detection and divide by zero (#30)

* Additional validation for bad expressions (*+ for example)

* Removing DivisionByZeroException testing for now

Added more unit tests.

1 files changed, 19 insertions, 0 deletions

diff --git a/src/NXP/Exception/DivisionByZeroException.php b/src/NXP/Exception/DivisionByZeroException.php
new file mode 100644
index 0000000..3a9a978
--- /dev/null
+++ b/src/NXP/Exception/DivisionByZeroException.php
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * This file is part of the MathExecutor package
+ *
+ * (c) Alexander Kiryukhin
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code
+ */
+
+namespace NXP\Exception;
+
+/**
+ * @author Vitaliy Zhuk <zhuk2205@gmail.com>
+ */
+class DivisionByZeroException extends MathExecutorException
+{
+}