diff --git a/Tests/PHPWord/Writer/ODTextTest.php b/Tests/PHPWord/Writer/ODTextTest.php
new file mode 100644
index 00000000..d2ac2fc2
--- /dev/null
+++ b/Tests/PHPWord/Writer/ODTextTest.php
@@ -0,0 +1,88 @@
+<?php
+namespace PHPWord\Tests\Writer;
+
+use PHPUnit_Framework_TestCase;
+use PHPWord_Writer_ODText;
+use PHPWord;
+
+/**
+ * Class ODTextTest
+ *
+ * @package PHPWord\Tests
+ * @runTestsInSeparateProcesses
+ */
+class ODTextTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test construct
+     */
+    public function testConstruct()
+    {
+        $object = new PHPWord_Writer_ODText(new PHPWord());
+
+        $this->assertInstanceOf('PHPWord', $object->getPHPWord());
+        $this->assertInstanceOf("PHPWord_HashTable", $object->getDrawingHashTable());
+
+        $this->assertEquals('./', $object->getDiskCachingDirectory());
+        $writerParts = array('Content', 'Manifest', 'Meta', 'Mimetype', 'Styles');
+        foreach ($writerParts as $part) {
+            $this->assertInstanceOf(
+                "PHPWord_Writer_ODText_{$part}",
+                $object->getWriterPart($part)
+            );
+            $this->assertInstanceOf(
+                "PHPWord_Writer_ODText",
+                $object->getWriterPart($part)->getParentWriter()
+            );
+        }
+    }
+
+    /**
+     * Test construct with null value/without PHPWord
+     *
+     * @expectedException Exception
+     * @expectedExceptionMessage No PHPWord assigned.
+     */
+    public function testConstructWithNull()
+    {
+        $object = new PHPWord_Writer_ODText();
+        $object->getPHPWord();
+    }
+
+    /**
+     * Test save()
+     */
+    public function testSave()
+    {
+        $phpWord = new PHPWord();
+        $phpWord->addFontStyle('Font', array('size' => 11));
+        $phpWord->addParagraphStyle('Paragraph', array('align' => 'center'));
+        $section = $phpWord->createSection();
+        $section->addText('Test 1', 'Font', 'Paragraph');
+        $section->addTextBreak();
+        $section->addText('Test 2');
+        $section = $phpWord->createSection();
+        $textrun = $section->createTextRun();
+        $textrun->addText('Test 3');
+
+        $writer = new PHPWord_Writer_ODText($phpWord);
+        $file = join(
+            DIRECTORY_SEPARATOR,
+            array(PHPWORD_TESTS_DIR_ROOT, '_files', 'temp.odt')
+        );
+        $writer->save($file);
+        $this->assertTrue(file_exists($file));
+        unlink($file);
+    }
+
+    /**
+     * Test disk caching parameters
+     */
+    public function testSetDiskCaching()
+    {
+        $object = new PHPWord_Writer_ODText();
+        $object->setUseDiskCaching(true, PHPWORD_TESTS_DIR_ROOT);
+        $this->assertTrue($object->getUseDiskCaching());
+        $this->assertEquals(PHPWORD_TESTS_DIR_ROOT, $object->getDiskCachingDirectory());
+    }
+}
diff --git a/Tests/PHPWord/Writer/RTFTest.php b/Tests/PHPWord/Writer/RTFTest.php
new file mode 100644
index 00000000..fc713786
--- /dev/null
+++ b/Tests/PHPWord/Writer/RTFTest.php
@@ -0,0 +1,63 @@
+<?php
+namespace PHPWord\Tests\Writer;
+
+use PHPUnit_Framework_TestCase;
+use PHPWord_Writer_RTF;
+use PHPWord;
+
+/**
+ * Class RTFTest
+ * @package PHPWord\Tests
+ * @runTestsInSeparateProcesses
+ */
+class RTFTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test construct
+     */
+    public function testConstruct()
+    {
+        $object = new PHPWord_Writer_RTF(new PHPWord);
+
+        $this->assertInstanceOf('PHPWord', $object->getPHPWord());
+        $this->assertInstanceOf("PHPWord_HashTable", $object->getDrawingHashTable());
+    }
+
+    /**
+     * Test construct with null value/without PHPWord
+     *
+     * @expectedException Exception
+     * @expectedExceptionMessage No PHPWord assigned.
+     */
+    public function testConstructWithNull()
+    {
+        $object = new PHPWord_Writer_RTF();
+        $object->getPHPWord();
+    }
+
+    /**
+     * Test save()
+     */
+    public function testSave()
+    {
+        $phpWord = new PHPWord();
+        $phpWord->addFontStyle('Font', array('size' => 11));
+        $phpWord->addParagraphStyle('Paragraph', array('align' => 'center'));
+        $section = $phpWord->createSection();
+        $section->addText('Test 1', 'Font', 'Paragraph');
+        $section->addTextBreak();
+        $section->addText('Test 2');
+        $section = $phpWord->createSection();
+        $textrun = $section->createTextRun();
+        $textrun->addText('Test 3');
+
+        $writer = new PHPWord_Writer_RTF($phpWord);
+        $file = join(
+            DIRECTORY_SEPARATOR,
+            array(PHPWORD_TESTS_DIR_ROOT, '_files', 'temp.rtf')
+        );
+        $writer->save($file);
+        $this->assertTrue(file_exists($file));
+        unlink($file);
+    }
+}
diff --git a/Tests/PHPWord/Writer/Word2007Test.php b/Tests/PHPWord/Writer/Word2007Test.php
new file mode 100644
index 00000000..28b0d581
--- /dev/null
+++ b/Tests/PHPWord/Writer/Word2007Test.php
@@ -0,0 +1,63 @@
+<?php
+namespace PHPWord\Tests\Writer;
+
+use PHPUnit_Framework_TestCase;
+use PHPWord_Writer_Word2007;
+use PHPWord;
+
+/**
+ * Class Word2007Test
+ *
+ * @package PHPWord\Tests
+ * @runTestsInSeparateProcesses
+ */
+class Word2007Test extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Test construct
+     */
+    public function testConstruct()
+    {
+        $object = new PHPWord_Writer_Word2007(new PHPWord());
+
+        $writerParts = array('ContentTypes', 'Rels', 'DocProps',
+            'DocumentRels', 'Document', 'Styles', 'Header', 'Footer',
+            'Footnotes', 'FootnotesRels');
+        foreach ($writerParts as $part) {
+            $this->assertInstanceOf(
+                "PHPWord_Writer_Word2007_{$part}",
+                $object->getWriterPart($part)
+            );
+            $this->assertInstanceOf(
+                "PHPWord_Writer_Word2007",
+                $object->getWriterPart($part)->getParentWriter()
+            );
+        }
+    }
+
+    /**
+     * Test save()
+     */
+    public function testSave()
+    {
+        $phpWord = new PHPWord();
+        $phpWord->addFontStyle('Font', array('size' => 11));
+        $phpWord->addParagraphStyle('Paragraph', array('align' => 'center'));
+        $section = $phpWord->createSection();
+        $section->addText('Test 1', 'Font', 'Paragraph');
+        $section->addTextBreak();
+        $section->addText('Test 2');
+        $section = $phpWord->createSection();
+        $textrun = $section->createTextRun();
+        $textrun->addText('Test 3');
+
+        $writer = new PHPWord_Writer_Word2007($phpWord);
+        $file = join(
+            DIRECTORY_SEPARATOR,
+            array(PHPWORD_TESTS_DIR_ROOT, '_files', 'temp.docx')
+        );
+        $writer->save($file);
+        $this->assertTrue(file_exists($file));
+        unlink($file);
+    }
+}