first commit

vendor/phpoffice/math/tests/Math/Element/IdentifierTest.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\PhpOffice\Math\Element;
+
+use PhpOffice\Math\Element\Identifier;
+use PHPUnit\Framework\TestCase;
+
+class IdentifierTest extends TestCase
+{
+    public function testConstruct(): void
+    {
+        $operator = new Identifier('x');
+
+        $this->assertEquals('x', $operator->getValue());
+    }
+}