Merge pull request #153 from voku/int_range_fix

fix for zero `IntRange`

Author: jaapio

src/TypeResolver.php

@@ -550,7 +550,7 @@ private function resolveIntRange(ArrayIterator $tokens): Type
             );
         }
 
-        if (!$minValue || !$maxValue || $tokenCounter > 4) {
+        if ($minValue === null || $maxValue === null || $tokenCounter > 4) {
             throw new RuntimeException(
                 'int<min,max> has not the correct format'
             );

tests/unit/PseudoTypes/IntRangeTest.php

@@ -36,6 +36,8 @@ public function provideArrays(): array
     {
         return [
             'simple int range' => [new IntegerRange('-5', '5'), 'int<-5, 5>'],
+            'zero int range v1' => [new IntegerRange('0', '1'), 'int<0, 1>'],
+            'zero int range v2' => [new IntegerRange('-5', '0'), 'int<-5, 0>'],
             'mixed int range' => [new IntegerRange('min', '5'), 'int<min, 5>'],
             'keyword int range' => [new IntegerRange('min', 'max'), 'int<min, max>'],
         ];