[Console] ChoiceQuestion must have choices

ro0NL · fabpot · commit 96e307fd5c49 · 2017-05-28T06:43:13.000-07:00
diff --git a/src/Symfony/Component/Console/Question/ChoiceQuestion.php b/src/Symfony/Component/Console/Question/ChoiceQuestion.php
@@ -32,6 +32,10 @@ class ChoiceQuestion extends Question
      */
     public function __construct($question, array $choices, $default = null)
     {
+        if (!$choices) {
+            throw new \LogicException('Choice question must have at least 1 choice available.');
+        }
+
         parent::__construct($question, $default);
 
         $this->choices = $choices;
diff --git a/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php b/src/Symfony/Component/Console/Tests/Helper/QuestionHelperTest.php
@@ -434,6 +434,15 @@ public function testAskThrowsExceptionOnMissingInputWithValidator()
         $dialog->ask($this->createInputInterfaceMock(), $this->createOutputInterface(), $question);
     }
 
+    /**
+     * @expectedException \LogicException
+     * @expectedExceptionMessage Choice question must have at least 1 choice available.
+     */
+    public function testEmptyChoices()
+    {
+        new ChoiceQuestion('Question', array(), 'irrelevant');
+    }
+
     protected function getInputStream($input)
     {
         $stream = fopen('php://memory', 'r+', false);
