1 files changed, 48 insertions, 1 deletions
diff --git a/src/php/tests/unit_tests/CallTest.php b/src/php/tests/unit_tests/CallTest.php
index fa026f0935..d736f51546 100755..100644
--- a/src/php/tests/unit_tests/CallTest.php
+++ b/src/php/tests/unit_tests/CallTest.php
@@ -50,6 +50,18 @@ class CallTest extends PHPUnit_Framework_TestCase
                                     Grpc\Timeval::infFuture());
     }
 
+    public function tearDown()
+    {
+        unset($this->call);
+        unset($this->channel);
+    }
+
+    public function testConstructor()
+    {
+        $this->assertSame('Grpc\Call', get_class($this->call));
+        $this->assertObjectHasAttribute('channel', $this->call);
+    }
+
     public function testAddEmptyMetadata()
     {
         $batch = [
@@ -81,7 +93,8 @@ class CallTest extends PHPUnit_Framework_TestCase
     {
         $batch = [
             Grpc\OP_SEND_INITIAL_METADATA => ['key1' => ['value1'],
-                                              'key2' => ['value2', 'value3'], ],
+                                              'key2' => ['value2',
+                                                         'value3'], ],
         ];
         $result = $this->call->startBatch($batch);
         $this->assertTrue($result->send_metadata);
@@ -118,4 +131,38 @@ class CallTest extends PHPUnit_Framework_TestCase
         ];
         $result = $this->call->startBatch($batch);
     }
+
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testInvalidConstuctor()
+    {
+        $this->call = new Grpc\Call();
+        $this->assertNull($this->call);
+    }
+
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testInvalidConstuctor2()
+    {
+        $this->call = new Grpc\Call('hi', 'hi', 'hi');
+        $this->assertNull($this->call);
+    }
+
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testInvalidSetCredentials()
+    {
+        $this->call->setCredentials('hi');
+    }
+
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testInvalidSetCredentials2()
+    {
+        $this->call->setCredentials([]);
+    }
 }