finished default parser

tests/unit/AbcParser/Domain/Atoms/UnsignedIntegerAtomTest.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: richard
+ * Date: 11/25/17
+ * Time: 5:06 PM
+ */
+
+namespace Tests\Unit\AbcParser\Domain\Atoms;
+
+use Enzyme\Axiom\Atoms\AtomInterface;
+use Enzyme\Axiom\Exceptions\AtomException;
+use XaiCorp\AbcParser\Domain\Atoms\UnsignedIntegerAtom;
+
+class UnsignedIntegerAtomTest extends \PHPUnit_Framework_TestCase
+{
+    public function testCreateAtom()
+    {
+        $value = 1;
+
+        $result = new UnsignedIntegerAtom($value);
+
+        $this->assertInstanceOf(AtomInterface::class, $result);
+        $this->assertEquals($value, $result->getValue());
+    }
+
+    /**
+     * @expectedException \Enzyme\Axiom\Exceptions\AtomException
+     */
+    public function testCreateAtom0Fails()
+    {
+        $value = 0;
+
+        $result = new UnsignedIntegerAtom($value);
+
+        $this->assertEquals(false, $result, 'should have failed to create');
+    }
+
+    /**
+     * @expectedException \Enzyme\Axiom\Exceptions\AtomException
+     */
+    public function testCreateNegativeAtomFails()
+    {
+        $value = -1;
+
+        $result = new UnsignedIntegerAtom($value);
+
+        $this->assertEquals(false, $result, 'should have failed to create');
+    }
+}