diff --git a/tests.php b/tests.php
new file mode 100644
index 0000000..7f7e3ab
--- /dev/null
+++ b/tests.php
@@ -0,0 +1,174 @@
+<?php
+
+class OAI2ServerTest extends PHPUnit_Framework_TestCase {
+
+    function testIdentify() {
+        $verb = 'Identify';
+    }
+
+    function testIdentifyIllegalParameter() {
+        $verb = 'Identify';
+        $args = array('test' => 'test');
+    }
+
+    function testListMetadataFormats() {
+        $verb = 'ListMetadataFormats';
+    }
+
+    function testListMetadataFormatsIdentifier() {
+        $verb = 'ListMetadataFormats';
+        $args = array('identifier' => 'a.b.c');
+    }
+
+    function testListMetadataFormatsIllegalIdentifier() {
+        $verb = 'ListMetadataFormats';
+        $args = array('identifier' => 'illegalIdentifier');
+    }
+
+    function testListSets() {
+        $verb = 'ListSets';
+    }
+
+    function testListSetsResumptionToken() {
+        $verb = 'ListSets';
+        $args = array('resumptionToken' => '????');
+    }
+
+    function testListIdentifiersMetadataPrefix() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc');
+    }
+
+    function testListIdentifiersResumptionToken() {
+        $verb = 'ListIdentifiers';
+        $args = array('resumptionToken' => '????');
+    }
+
+    function testListIdentifiersResumptionTokenMetadataPrefix() {
+        $verb = 'ListIdentifiers';
+        $args = array('resumptionToken' => '????', 'metadataPrefix' => 'oai_dc');
+    }
+
+    function testListIdentifiersMetadataPrefixSet() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc', 'set' => 'someSet');
+    }
+
+    function testListIdentifiersMetadataPrefixFromUntil() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc', 'from' => '2000-01-01', 'until' => '2000-01-01');
+    }
+
+    function testListIdentifiersMetadataPrefixSetFromUntil() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc',
+                      'set' => '????', 'from' => '2000-01-01', 'until' => '2000-01-01');
+    }
+
+    function testListIdentifiersMetadataPrefixIllegalSetIllegalFromUntil() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc',
+                      'set' => 'really_wrong_set',
+                      'from' => 'some_random_from', 'until' => 'some_random_until');
+    }
+
+    function testListIdentifiersDifferentGranularity() {
+        $verb = 'ListIdentifiers';
+        $args = array('resumptionToken' => '????', 'metadataPrefix' => 'oai_dc',
+                      'from' => '2000-01-01', 'until' => '2000-01-01T00:00:00Z');
+    }
+
+    function testListIdentifiersFromGreaterThanUntil() {
+        $verb = 'ListIdentifiers';
+        $args = array('resumptionToken' => '????', 'metadataPrefix' => 'oai_dc',
+                      'from' => '2013-01-01', 'until' => '2000-01-01T00:00:00Z');
+    }
+    function testListIdentifiers() {
+        $verb = 'ListIdentifiers';
+        $args = array();
+    }
+    function testListIdentifiersIllegalMetadataPrefix() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'illegalPrefix');
+    }
+    function testListIdentifiersMetadataPrefixMetadataPrefix() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc', 'metadataPrefix' => 'oai_dc');
+    }
+    function testListIdentifiersIllegalResumptionToken() {
+        $verb = 'ListIdentifiers';
+        $args = array('resumptionToken' => 'illegalToken');
+    }
+    function testListIdentifiersMetadataPrefixFrom() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc', 'from' => '2001-01-01T00:00:00Z');
+    }
+    function testListIdentifiersMetadataPrefixFromYear() {
+        $verb = 'ListIdentifiers';
+        $args = array('metadataPrefix' => 'oai_dc', 'from' => '2001');
+    }
+
+    function testListRecords() {
+        $verb = 'ListRecords';
+        $args = array();
+    }
+    function testListRecordsMetadataPrefixFromUntil() {
+        $verb = 'ListRecords';
+        $args = array('metadataPrefix' => 'oai_dc', 'from' => '2000-01-01', 'until' => '2000-01-01');
+    }
+
+    function testListRecordsResumptionToken() {
+        $verb = 'ListRecords';
+        $args = array('resumptionToken' => '????');
+    }
+
+    function testListRecordsMetadataPrefixIllegalSetIllegalFromUntil() {
+        $verb = 'ListRecords';
+        $args = array('metadataPrefix' => 'oai_dc',
+                      'set' => 'illegalSet',
+                      'from' => 'some_random_from', 'until' => 'some_random_until');
+    }
+    function testListRecordsDifferentGranularity() {
+        $verb = 'ListRecords';
+        $args = array('resumptionToken' => '????', 'metadataPrefix' => 'oai_dc',
+                      'from' => '2000-01-01', 'until' => '2000-01-01T00:00:00Z');
+    }
+    function testListRecordsUntilBeforeEarliestDatestamp() {
+        $verb = 'ListRecords';
+        $args = array('metadataPrefix' => 'oai_dc', 'until' => '1969-01-01T00:00:00Z');
+    }
+    function testListRecordsIllegalResumptionToken() {
+        $verb = 'ListRecords';
+        $args = array('resumptionToken' => 'illegalToken');
+    }
+
+    function testGetRecordIdentifier() {
+        $verb = 'GetRecord';
+        $args = array('identifier' => 'a.b.c');
+    }
+    function testGetRecordIdentifierMetadataPrefix() {
+        $verb = 'GetRecord';
+        $args = array('identifier' => 'a.b.c', 'metadataPrefix' => 'oai_dc');
+    }
+    function testGetRecordIdentifierIllegalMetadataPrefix() {
+        $verb = 'GetRecord';
+        $args = array('identifier' => 'a.b.c', 'metadataPrefix' => 'illegalPrefix');
+    }
+    function testGetRecordMetadataPrefix() {
+        $verb = 'GetRecord';
+        $args = array('metadataPrefix' => 'oai_dc');
+    }
+    function testGetRecordIllegalIdentifierMetadataPrefix() {
+        $verb = 'GetRecord';
+        $args = array('identifier' => 'illegalID', 'metadataPrefix' => 'oai_dc');
+    }
+    function testGetRecordInvalidIdentifierMetadataPrefix() {
+        $verb = 'GetRecord';
+        $args = array('identifier' => 'invalidID', 'metadataPrefix' => 'oai_dc');
+    }
+
+    function testIllegalVerb() {
+        $verb = 'IllegalVerb';
+        $args = array();
+    }
+}