diff --git a/tests/ArchangelTest.php b/tests/ArchangelTest.php
index 4dc0e0e..043a235 100644
--- a/tests/ArchangelTest.php
+++ b/tests/ArchangelTest.php
@@ -281,6 +281,24 @@ public function testAddAttachmentWithTitle()
         );
     }
 
+    public function testSend()
+    {
+        $archangel = new Archangel();
+        $archangel->addTo('test@example.com');
+        $archangel->setSubject('Test Subject');
+        $archangel->setPlainMessage('Plain text message');
+        $response = $archangel->send();
+
+        $expectedResponse = array(
+            'to' => 'test@example.com',
+            'subject' => 'Test Subject',
+            'message' => 'Plain text message' . Archangel::LINE_BREAK,
+            'headers' => 'X-Mailer: PHP/6.0.0' . Archangel::LINE_BREAK,
+        );
+
+        $this->assertEquals($expectedResponse, $response);
+    }
+
     /**
      * @dataProvider dataCheckRequiredFields
      */
@@ -411,6 +429,28 @@ public function dataCheckRequiredFields()
        );
     }
 
+    public function testBuildTo()
+    {
+        $archangel = new Archangel();
+        $addressesProperty = $this->getProtectedProperty('toAddresses');
+        $addressesProperty->setValue($archangel, array('test@example.com'));
+        $buildMethod = $this->getProtectedMethod('buildTo');
+        $toAddresses = $buildMethod->invoke($archangel);
+
+        $this->assertEquals('test@example.com', $toAddresses);
+    }
+
+    public function testBuildToMultiple()
+    {
+        $archangel = new Archangel();
+        $addressesProperty = $this->getProtectedProperty('toAddresses');
+        $addressesProperty->setValue($archangel, array('testOne@example.com', 'testTwo@example.com'));
+        $buildMethod = $this->getProtectedMethod('buildTo');
+        $toAddresses = $buildMethod->invoke($archangel);
+
+        $this->assertEquals('testOne@example.com, testTwo@example.com', $toAddresses);
+    }
+
     public function testGetBoundary()
     {
         $archangel = new Archangel();
diff --git a/tests/function-overrides.php b/tests/function-overrides.php
index 5dfbb8e..ffce4af 100644
--- a/tests/function-overrides.php
+++ b/tests/function-overrides.php
@@ -2,6 +2,14 @@
 
 namespace Jacobemerick\Archangel;
 
+function mail($to, $subject, $message, $headers) {
+    return compact('to', 'subject', 'message', 'headers');
+}
+
+function phpversion() {
+    return '6.0.0';
+}
+
 function uniqid() {
     return '1234567890123';
 }