Moved tests and updated to use namespaces

tests/ConvertTest.php

@@ -0,0 +1,27 @@
+<?php
+
+class ConvertTest extends PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider providerArrayToXML
+     */
+    public function testArrayToXML($a, $b, $c)
+    {
+        $this->assertEquals(Pickles\Convert::arrayToXML($a, $b), $c);
+    }
+
+    public function providerArrayToXML()
+    {
+        return [
+            ['foo',                                       false, ''],
+            [['foo', 'bar'],                              false, '<0>foo</0><1>bar</1>'],
+            [['foo', 'bar'],                              true,  "<0>foo</0>\n<1>bar</1>\n"],
+            [['foo' => 'bar'],                            false, '<foo>bar</foo>'],
+            [['foo' => 'b & r'],                          false, '<foo><![CDATA[b & r]]></foo>'],
+            [['children' => ['child' => ['foo', 'bar']]], false, '<children><child>foo</child><child>bar</child></children>'],
+            [['children' => ['child' => ['foo & bar']]],  false, '<children><child><![CDATA[foo & bar]]></child></children>'],
+            [['children' => ['child' => ['foo', 'bar']]], true,  "<children>\n\t<child>foo</child>\n\t<child>bar</child>\n</children>\n"],
+        ];
+    }
+}
+