@@ -642,10 +642,10 @@ public function testFollowRedirectDropPostMethod()
 $client->request('POST', 'http://www.example.com/foo/foobar', $parameters, $files, $server, $content);
 
 $this->assertSame('http://www.example.com/redirected', $client->getRequest()->getUri(), '->followRedirect() follows a redirect with POST method on response code: '.$code.'.');
-$this->assertEmpty($client->getRequest()->getParameters(), '->followRedirect() drops parameters with POST method on response code: '.$code.'.');
-$this->assertEmpty($client->getRequest()->getFiles(), '->followRedirect() drops files with POST method on response code: '.$code.'.');
+$this->assertSame([], $client->getRequest()->getParameters(), '->followRedirect() drops parameters with POST method on response code: '.$code.'.');
+$this->assertSame([], $client->getRequest()->getFiles(), '->followRedirect() drops files with POST method on response code: '.$code.'.');
 $this->assertArrayHasKey('X_TEST_FOO', $client->getRequest()->getServer(), '->followRedirect() keeps $_SERVER with POST method on response code: '.$code.'.');
-$this->assertEmpty($client->getRequest()->getContent(), '->followRedirect() drops content with POST method on response code: '.$code.'.');
+$this->assertNull($client->getRequest()->getContent(), '->followRedirect() drops content with POST method on response code: '.$code.'.');
 $this->assertSame('GET', $client->getRequest()->getMethod(), '->followRedirect() drops request method to GET on response code: '.$code.'.');
 }
 }

@@ -247,6 +247,6 @@ public function testCookieWithWildcardDomain()
 $cookieJar->set(new Cookie('foo', 'bar', null, '/', '.example.com'));
 
 $this->assertEquals(['foo' => 'bar'], $cookieJar->allValues('http://www.example.com'));
-$this->assertEmpty($cookieJar->allValues('http://wwwexample.com'));
+$this->assertSame([], $cookieJar->allValues('http://wwwexample.com'));
 }
 }