Don't throw exceptions until after checking anyOf / oneOf

Fixes #393

Author: erayd

src/JsonSchema/Constraints/UndefinedConstraint.php

@@ -230,6 +230,8 @@ protected function validateOfProperties(&$value, $schema, JsonPointer $path, $i
             return;
         }
 
+        $throwExceptions = $this->factory->getConfig(Constraint::CHECK_MODE_EXCEPTIONS);
+
         if (isset($schema->allOf)) {
             $isValid = true;
             foreach ($schema->allOf as $allOf) {
@@ -245,13 +247,15 @@ protected function validateOfProperties(&$value, $schema, JsonPointer $path, $i
         if (isset($schema->anyOf)) {
             $isValid = false;
             $startErrors = $this->getErrors();
+            $this->factory->removeConfig($throwExceptions);
             foreach ($schema->anyOf as $anyOf) {
                 $initErrors = $this->getErrors();
                 $this->checkUndefined($value, $anyOf, $path, $i);
                 if ($isValid = (count($this->getErrors()) == count($initErrors))) {
                     break;
                 }
             }
+            $this->factory->addConfig($throwExceptions);
             if (!$isValid) {
                 $this->addError(ConstraintError::ANY_OF(), $path);
             } else {
@@ -263,6 +267,7 @@ protected function validateOfProperties(&$value, $schema, JsonPointer $path, $i
             $allErrors = array();
             $matchedSchemas = 0;
             $startErrors = $this->getErrors();
+            $this->factory->removeConfig($throwExceptions);
             foreach ($schema->oneOf as $oneOf) {
                 $this->errors = array();
                 $this->checkUndefined($value, $oneOf, $path, $i);
@@ -271,6 +276,7 @@ protected function validateOfProperties(&$value, $schema, JsonPointer $path, $i
                 }
                 $allErrors = array_merge($allErrors, array_values($this->getErrors()));
             }
+            $this->factory->addConfig($throwExceptions);
             if ($matchedSchemas !== 1) {
                 $this->addErrors(array_merge($allErrors, $startErrors));
                 $this->addError(ConstraintError::ONE_OF(), $path);