Fix quotes in exception messages

Author: fabpot

Inline.php

@@ -347,7 +347,7 @@ public static function parseScalar($scalar, $flags = 0, $delimiters = null, &$i
                 $output = $match[1];
                 $i += \strlen($output);
             } else {
-                throw new ParseException(sprintf('Malformed inline YAML string: %s.', $scalar), self::$parsedLineNumber + 1, null, self::$parsedFilename);
+                throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $scalar), self::$parsedLineNumber + 1, null, self::$parsedFilename);
             }
 
             // a non-quoted string cannot start with @ or ` (reserved) nor with a scalar indicator (| or >)
@@ -380,7 +380,7 @@ public static function parseScalar($scalar, $flags = 0, $delimiters = null, &$i
     private static function parseQuotedScalar($scalar, &$i)
     {
         if (!Parser::preg_match('/'.self::REGEX_QUOTED_STRING.'/Au', substr($scalar, $i), $match)) {
-            throw new ParseException(sprintf('Malformed inline YAML string: %s.', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
+            throw new ParseException(sprintf('Malformed inline YAML string: "%s".', substr($scalar, $i)), self::$parsedLineNumber + 1, $scalar, self::$parsedFilename);
         }
 
         $output = substr($match[0], 1, \strlen($match[0]) - 2);
@@ -463,7 +463,7 @@ private static function parseSequence($sequence, $flags, &$i = 0, $references =
             ++$i;
         }
 
-        throw new ParseException(sprintf('Malformed inline YAML string: %s.', $sequence), self::$parsedLineNumber + 1, null, self::$parsedFilename);
+        throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $sequence), self::$parsedLineNumber + 1, null, self::$parsedFilename);
     }
 
     /**
@@ -612,7 +612,7 @@ private static function parseMapping($mapping, $flags, &$i = 0, $references = []
             }
         }
 
-        throw new ParseException(sprintf('Malformed inline YAML string: %s.', $mapping), self::$parsedLineNumber + 1, null, self::$parsedFilename);
+        throw new ParseException(sprintf('Malformed inline YAML string: "%s".', $mapping), self::$parsedLineNumber + 1, null, self::$parsedFilename);
     }
 
     /**

Tests/InlineTest.php

@@ -693,7 +693,7 @@ public function getInvalidBinaryData()
     public function testNotSupportedMissingValue()
     {
         $this->expectException('Symfony\Component\Yaml\Exception\ParseException');
-        $this->expectExceptionMessage('Malformed inline YAML string: {this, is not, supported} at line 1.');
+        $this->expectExceptionMessage('Malformed inline YAML string: "{this, is not, supported}" at line 1.');
         Inline::parse('{this, is not, supported}');
     }