PHPLIB-510: Improve handling of NULL and Int64 values in DocumentsMatchConstraint

Author: alcaeus

tests/SpecTests/DocumentsMatchConstraint.php

@@ -33,6 +33,7 @@
 use Symfony\Bridge\PhpUnit\ConstraintTrait;
 use function array_values;
 use function get_class;
+use function gettype;
 use function in_array;
 use function is_array;
 use function is_object;
@@ -313,19 +314,22 @@ private function assertEquals(ArrayObject $expected, ArrayObject $actual, $ignor
                 continue;
             }
 
+            $expectedType = is_object($expectedValue) ? get_class($expectedValue) : gettype($expectedValue);
+            $actualType = is_object($expectedValue) ? get_class($actualValue) : gettype($actualValue);
+
             // Workaround for ObjectComparator printing the whole actual object
-            if (get_class($expectedValue) !== get_class($actualValue)) {
+            if ($expectedType !== $actualType) {
                 throw new ComparisonFailure(
                     $expectedValue,
                     $actualValue,
                     '',
                     '',
                     false,
                     sprintf(
-                        'Field path "%s": %s is not instance of expected class "%s".',
+                        'Field path "%s": %s is not instance of expected type "%s".',
                         $keyPrefix . $key,
                         $this->exporter()->shortenedExport($actualValue),
-                        get_class($expectedValue)
+                        $expectedType
                     )
                 );
             }
@@ -441,6 +445,12 @@ private function prepareBSON($bson, $isRoot, $sortKeys = false)
                 $bson[$key] = $this->prepareBSON($value, false, $sortKeys);
                 continue;
             }
+
+            /* Convert Int64 objects to integers on 64-bit platforms for
+             * compatibility reasons. */
+            if ($value instanceof Int64 && PHP_INT_SIZE != 4) {
+                $bson[$key] = (int) ((string) $value);
+            }
         }
 
         return $bson;