symfony
diff --git a/‎src/Symfony/Component/HttpFoundation/Session/Session.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Session/Session.php
+3-1Lines changed: 3 additions & 1 deletion b/‎src/Symfony/Component/HttpFoundation/Session/Session.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Session/Session.php
+3-1Lines changed: 3 additions & 1 deletion
diff --git a/‎src/Symfony/Component/HttpFoundation/Tests/Session/SessionTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/Session/SessionTest.php
+21Lines changed: 21 additions & 0 deletions b/‎src/Symfony/Component/HttpFoundation/Tests/Session/SessionTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/Session/SessionTest.php
+21Lines changed: 21 additions & 0 deletions
diff --git a/‎src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpFoundation/Tests/Session/Storage/MockArraySessionStorageTest.php
+1-1Lines changed: 1 addition & 1 deletion
@@ -178,7 +178,9 @@ public function getId()
      */
     public function setId($id)
     {
-        $this->storage->setId($id);
+        if ($id !== $this->storage->getId()) {
+            $this->storage->setId($id);
+        }
     }
 
     /**
 
@@ -70,6 +70,27 @@ public function testSetId()
         $this->assertEquals('0123456789abcdef', $this->session->getId());
     }
 
+    public function testSetIdAfterStart()
+    {
+        $this->session->start();
+        $id = $this->session->getId();
+
+        $e = null;
+        try {
+            $this->session->setId($id);
+        } catch (\Exception $e) {
+        }
+
+        $this->assertNull($e);
+
+        try {
+            $this->session->setId('different');
+        } catch (\Exception $e) {
+        }
+
+        $this->assertInstanceOf('\LogicException', $e);
+    }
+
     public function testSetName()
     {
         $this->assertEquals('MOCKSESSID', $this->session->getName());
 
@@ -48,7 +48,7 @@ protected function setUp()
         $this->data = array(
             $this->attributes->getStorageKey() => array('foo' => 'bar'),
             $this->flashes->getStorageKey() => array('notice' => 'hello'),
-            );
+        );
 
         $this->storage = new MockArraySessionStorage();
         $this->storage->registerBag($this->flashes);
Original file line number	Diff line number	Diff line change
`@@ -178,7 +178,9 @@ public function getId()`
`178`	`178`	`*/`
`179`	`179`	`public function setId($id)`
`180`	`180`	`{`
`181`		`- $this->storage->setId($id);`
	`181`	`+ if ($id !== $this->storage->getId()) {`
	`182`	`+ $this->storage->setId($id);`
	`183`	`+ }`
`182`	`184`	`}`
`183`	`185`
`184`	`186`	`/**`