[Console] Overcomplete argument exception message tweak.

Author: SpacePossum

src/Symfony/Component/Console/Input/ArgvInput.php

@@ -174,7 +174,12 @@ private function parseArgument($token)
 
         // unexpected argument
         } else {
-            throw new \RuntimeException('Too many arguments.');
+            $all = $this->definition->getArguments();
+            if (count($all)) {
+                throw new \RuntimeException(sprintf('Too many arguments, expected arguments "%s".', implode('" "', array_keys($all))));
+            }
+
+            throw new \RuntimeException(sprintf('No arguments expected, got "%s".', $token));
         }
     }
 

src/Symfony/Component/Console/Tests/Input/ArgvInputTest.php

@@ -183,7 +183,17 @@ public function provideInvalidInput()
             array(
                 array('cli.php', 'foo', 'bar'),
                 new InputDefinition(),
-                'Too many arguments.',
+                'No arguments expected, got "foo".',
+            ),
+            array(
+                array('cli.php', 'foo', 'bar'),
+                new InputDefinition(array(new InputArgument('number'))),
+                'Too many arguments, expected arguments "number".',
+            ),
+            array(
+                array('cli.php', 'foo', 'bar', 'zzz'),
+                new InputDefinition(array(new InputArgument('number'), new InputArgument('county'))),
+                'Too many arguments, expected arguments "number" "county".',
             ),
             array(
                 array('cli.php', '--foo'),