Fixed issue where unbound key matching would not validate keys in pattern that were missing in the value. (#193)

Author: raing3

src/Matcher/ArrayMatcher.php

@@ -152,13 +152,13 @@ function ($item) use ($skipPattern) {
 
     private function findNotExistingKeys(array $patterns, array $values) : array
     {
-        if (isset($patterns[self::UNIVERSAL_KEY])) {
-            return [];
-        }
-
         $notExistingKeys = \array_diff_key($patterns, $values);
 
-        return \array_filter($notExistingKeys, function ($pattern) use ($values) {
+        return \array_filter($notExistingKeys, function ($pattern, $key) use ($values) {
+            if ($key === self::UNIVERSAL_KEY) {
+                return false;
+            }
+
             if (\is_array($pattern)) {
                 return empty($pattern) || !$this->match($values, $pattern);
             }
@@ -170,7 +170,7 @@ private function findNotExistingKeys(array $patterns, array $values) : array
             }
 
             return !$typePattern->hasExpander('optional');
-        });
+        }, ARRAY_FILTER_USE_BOTH);
     }
 
     private function valueMatchPattern($value, $pattern) : bool

tests/Matcher/ArrayMatcherTest.php

@@ -294,6 +294,7 @@ public static function negativeMatchData()
             [[], ['key' => []]],
             [[], ['foo' => 'bar']],
             [[], ['foo' => ['bar' => []]]],
+            [['key' => 'val', 'key2' => 'val2'], ['not key' => 'val', '@*@' => '@*@']],
             'unbound array should match one or none elements' => [
                 [
                     'users' => [