diff --git a/src/Symfony/Component/Console/Helper/QuestionHelper.php b/src/Symfony/Component/Console/Helper/QuestionHelper.php
index 4cdecfd41a49a..1edc2d68cbbcd 100644
--- a/src/Symfony/Component/Console/Helper/QuestionHelper.php
+++ b/src/Symfony/Component/Console/Helper/QuestionHelper.php
@@ -11,6 +11,7 @@
namespace Symfony\Component\Console\Helper;
+use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\Console\Output\OutputInterface;
@@ -303,7 +304,7 @@ private function autocomplete(OutputInterface $output, Question $question, $inpu
// Save cursor position
$output->write("\0337");
// Write highlighted text
- $output->write(''.substr($matches[$ofs], $i).'');
+ $output->write(''.OutputFormatter::escapeTrailingBackslash(substr($matches[$ofs], $i)).'');
// Restore cursor position
$output->write("\0338");
}
diff --git a/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php b/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
index 4fb462cc1048d..69a2256efad2b 100644
--- a/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
+++ b/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
@@ -156,6 +156,46 @@ public function testAskWithAutocompleteWithNonSequentialKeys()
$this->assertEquals('AsseticBundle', $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question));
}
+ public function testAutocompleteWithTrailingBackslash()
+ {
+ if (!$this->hasSttyAvailable()) {
+ $this->markTestSkipped('`stty` is required to test autocomplete functionality');
+ }
+
+ $inputStream = $this->getInputStream('E');
+
+ $dialog = new QuestionHelper();
+ $dialog->setInputStream($inputStream);
+ $helperSet = new HelperSet(array(new FormatterHelper()));
+ $dialog->setHelperSet($helperSet);
+
+ $question = new Question('');
+ $expectedCompletion = 'ExampleNamespace\\';
+ $question->setAutocompleterValues(array($expectedCompletion));
+
+ $output = $this->createOutputInterface();
+ $dialog->ask($this->createInputInterfaceMock(), $output, $question);
+
+ $outputStream = $output->getStream();
+ rewind($outputStream);
+ $actualOutput = stream_get_contents($outputStream);
+
+ // Shell control (esc) sequences are not so important: we only care that
+ // tag is interpreted correctly and replaced
+ $irrelevantEscSequences = array(
+ "\0337" => '', // Save cursor position
+ "\0338" => '', // Restore cursor position
+ "\033[K" => '', // Clear line from cursor till the end
+ );
+
+ $importantActualOutput = strtr($actualOutput, $irrelevantEscSequences);
+
+ // Remove colors (e.g. "\033[30m", "\033[31;41m")
+ $importantActualOutput = preg_replace('/\033\[\d+(;\d+)?m/', '', $importantActualOutput);
+
+ $this->assertEquals($expectedCompletion, $importantActualOutput);
+ }
+
public function testAskHiddenResponse()
{
if ('\\' === DIRECTORY_SEPARATOR) {
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