From 302d44fb4087aa727d190741fd93ea85c595c0cb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9nald=20Casagraude?= <rcasagraude@gmail.com>
Date: Thu, 11 Apr 2013 00:42:15 +0200
Subject: [PATCH] [Console] fixed handling of "0" input on ask

---
 src/Symfony/Component/Console/Helper/DialogHelper.php         | 4 +++-
 .../Component/Console/Tests/Helper/DialogHelperTest.php       | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Symfony/Component/Console/Helper/DialogHelper.php b/src/Symfony/Component/Console/Helper/DialogHelper.php
index 170abd8886..49fc2c178f 100644
--- a/src/Symfony/Component/Console/Helper/DialogHelper.php
+++ b/src/Symfony/Component/Console/Helper/DialogHelper.php
@@ -102,7 +102,9 @@ class DialogHelper extends Helper
             $output->getFormatter()->setStyle('hl', new OutputFormatterStyle('black', 'white'));
 
             // Read a keypress
-            while ($c = fread($inputStream, 1)) {
+            while (!feof($inputStream)) {
+                $c = fread($inputStream, 1);
+
                 // Backspace Character
                 if ("\177" === $c) {
                     if (0 === $numMatches && 0 !== $i) {
diff --git a/src/Symfony/Component/Console/Tests/Helper/DialogHelperTest.php b/src/Symfony/Component/Console/Tests/Helper/DialogHelperTest.php
index 12f27005cb..e6418ad710 100644
--- a/src/Symfony/Component/Console/Tests/Helper/DialogHelperTest.php
+++ b/src/Symfony/Component/Console/Tests/Helper/DialogHelperTest.php
@@ -69,7 +69,8 @@ class DialogHelperTest extends \PHPUnit_Framework_TestCase
         // <UP ARROW><UP ARROW><UP ARROW><UP ARROW><UP ARROW><TAB>Test<NEWLINE>
         // <DOWN ARROW><NEWLINE>
         // S<BACKSPACE><BACKSPACE><DOWN ARROW><DOWN ARROW><NEWLINE>
-        $inputStream = $this->getInputStream("Acm\nAc\177\177s\tTest\n\n\033[A\033[A\n\033[A\033[A\033[A\033[A\033[A\tTest\n\033[B\nS\177\177\033[B\033[B\n");
+        // F00<BACKSPACE><BACKSPACE>oo<TAB><NEWLINE>
+        $inputStream = $this->getInputStream("Acm\nAc\177\177s\tTest\n\n\033[A\033[A\n\033[A\033[A\033[A\033[A\033[A\tTest\n\033[B\nS\177\177\033[B\033[B\nF00\177\177oo\t\n");
 
         $dialog = new DialogHelper();
         $dialog->setInputStream($inputStream);
@@ -83,6 +84,7 @@ class DialogHelperTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('FooBundleTest', $dialog->ask($this->getOutputStream(), 'Please select a bundle', 'FrameworkBundle', $bundles));
         $this->assertEquals('AcmeDemoBundle', $dialog->ask($this->getOutputStream(), 'Please select a bundle', 'FrameworkBundle', $bundles));
         $this->assertEquals('AsseticBundle', $dialog->ask($this->getOutputStream(), 'Please select a bundle', 'FrameworkBundle', $bundles));
+        $this->assertEquals('FooBundle', $dialog->ask($this->getOutputStream(), 'Please select a bundle', 'FrameworkBundle', $bundles));
     }
 
     public function testAskHiddenResponse()