From 9fbfe1cd2cd04e660de6e93d95e0ad609700f2a0 Mon Sep 17 00:00:00 2001
From: battye <battye@phpbb.com>
Date: Fri, 3 May 2019 17:21:48 +0000
Subject: [PATCH] [Console] Add more autocomplete tests

---
 .../Console/Helper/QuestionHelper.php         |  2 +-
 .../Tests/Helper/QuestionHelperTest.php       | 32 +++++++++++++++++++
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Console/Helper/QuestionHelper.php b/src/Symfony/Component/Console/Helper/QuestionHelper.php
index 8cba5e195ea43..fb5de4661085f 100644
--- a/src/Symfony/Component/Console/Helper/QuestionHelper.php
+++ b/src/Symfony/Component/Console/Helper/QuestionHelper.php
@@ -306,7 +306,7 @@ private function autocomplete(OutputInterface $output, Question $question, $inpu
                         $remainingCharacters = substr($ret, strlen(trim($this->mostRecentlyEnteredValue($fullChoice))));
                         $output->write($remainingCharacters);
                         $fullChoice .= $remainingCharacters;
-                        $i = \strlen($ret);
+                        $i = strlen($fullChoice);
                     }
 
                     if ("\n" === $c) {
diff --git a/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php b/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
index 56ba1c6891322..0c25ac30bc14f 100644
--- a/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
+++ b/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
@@ -1018,6 +1018,38 @@ public function testTraversableAutocomplete()
         $this->assertEquals('FooBundle', $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
     }
 
+    public function testTraversableMultiselectAutocomplete()
+    {
+        // Test cases:
+        // 1) default; 2) Tab single; 3) Traverse and tab multiple; 4) Backspace and traverse multiple; 5) Backspace all
+
+        // <NEWLINE>
+        // F<TAB><NEWLINE>
+        // A<3x UP ARROW><TAB>,F<TAB><NEWLINE>
+        // F00<BACKSPACE><BACKSPACE>o<TAB>,A<DOWN ARROW>,<SPACE>SecurityBundle<NEWLINE>
+        // Acme<TAB>        ,<SPACE>As<TAB><29x BACKSPACE>S<TAB><NEWLINE>
+        $inputStream = $this->getInputStream("\nF\t\nA\033[A\033[A\033[A\t,F\t\nF00\177\177o\t,A\033[B\t, SecurityBundle\nAcme\t, As\t\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177\177S\t\n");
+
+        $dialog = new QuestionHelper();
+        $helperSet = new HelperSet([new FormatterHelper()]);
+        $dialog->setHelperSet($helperSet);
+
+        $question = new ChoiceQuestion(
+            'Please select a bundle (defaults to AcmeDemoBundle and AsseticBundle)',
+            ['AcmeDemoBundle', 'AsseticBundle', 'SecurityBundle', 'FooBundle'],
+            '0,1'
+        );
+
+        // This tests that autocomplete works for all multiselect choices entered by the user
+        $question->setMultiselect(true);
+
+        $this->assertEquals(['AcmeDemoBundle', 'AsseticBundle'], $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+        $this->assertEquals(['FooBundle'], $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+        $this->assertEquals(['AsseticBundle', 'FooBundle'], $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+        $this->assertEquals(['FooBundle', 'AsseticBundle', 'SecurityBundle'], $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+        $this->assertEquals(['SecurityBundle'], $dialog->ask($this->createStreamableInputInterfaceMock($inputStream), $this->createOutputInterface(), $question));
+    }
+
     protected function getInputStream($input)
     {
         $stream = fopen('php://memory', 'r+', false);