Merge branch '3.2'

* 3.2:
  [Cache] Fix Redis pipelining/multi-ops
  [Yaml] Fix the tests
  [github] Add a reminder about CHANGELOG.md files
  respect the umask argument in dumpFile()
  dumpFile(), preserve existing file permissions
  [Form] Fixed overridden choices option in extended choice types
  Add validate method to mockec validator in form TypeTestCase
  bumped Symfony version to 2.8.19
  updated VERSION for 2.8.18
  updated CHANGELOG for 2.8.18
  bumped Symfony version to 2.7.26
  updated VERSION for 2.7.25
  update CONTRIBUTORS for 2.7.25
  updated CHANGELOG for 2.7.25
  [HttpKernel] fixed Kernel name when stored in a directory starting with a number
  context listener: hardening user provider handling
  [Console] Do not squash input changes made from console.command event

Author: nicolas-grekas

Tests/DumperTest.php

@@ -276,23 +276,25 @@ public function testEscapedEscapeSequencesInQuotedScalar($input, $expected)
     public function getEscapeSequences()
     {
         return array(
-            'null' => array("\t\\0", '"\t\\\\0"'),
-            'bell' => array("\t\\a", '"\t\\\\a"'),
-            'backspace' => array("\t\\b", '"\t\\\\b"'),
-            'horizontal-tab' => array("\t\\t", '"\t\\\\t"'),
-            'line-feed' => array("\t\\n", '"\t\\\\n"'),
-            'vertical-tab' => array("\t\\v", '"\t\\\\v"'),
-            'form-feed' => array("\t\\f", '"\t\\\\f"'),
-            'carriage-return' => array("\t\\r", '"\t\\\\r"'),
-            'escape' => array("\t\\e", '"\t\\\\e"'),
-            'space' => array("\t\\ ", '"\t\\\\ "'),
-            'double-quote' => array("\t\\\"", '"\t\\\\\\""'),
-            'slash' => array("\t\\/", '"\t\\\\/"'),
-            'backslash' => array("\t\\\\", '"\t\\\\\\\\"'),
-            'next-line' => array("\t\\N", '"\t\\\\N"'),
-            'non-breaking-space' => array("\t\\�", '"\t\\\\�"'),
-            'line-separator' => array("\t\\L", '"\t\\\\L"'),
-            'paragraph-separator' => array("\t\\P", '"\t\\\\P"'),
+            'empty string' => array('', "''"),
+            'null' => array("\x0", '"\\0"'),
+            'bell' => array("\x7", '"\\a"'),
+            'backspace' => array("\x8", '"\\b"'),
+            'horizontal-tab' => array("\t", '"\\t"'),
+            'line-feed' => array("\n", '"\\n"'),
+            'vertical-tab' => array("\v", '"\\v"'),
+            'form-feed' => array("\xC", '"\\f"'),
+            'carriage-return' => array("\r", '"\\r"'),
+            'escape' => array("\x1B", '"\\e"'),
+            'space' => array(' ', "' '"),
+            'double-quote' => array('"', "'\"'"),
+            'slash' => array('/', '/'),
+            'backslash' => array('\\', '\\'),
+            'next-line' => array("\xC2\x85", '"\\N"'),
+            'non-breaking-space' => array("\xc2\xa0", '"\\_"'),
+            'line-separator' => array("\xE2\x80\xA8", '"\\L"'),
+            'paragraph-separator' => array("\xE2\x80\xA9", '"\\P"'),
+            'colon' => array(':', "':'"),
         );
     }