Throw invalid argument exception if value below zero is given

jstoone · jstoone · commit 7778fcdf35cc · 2016-11-01T16:34:02.000+01:00
diff --git a/Collection.php b/Collection.php
@@ -955,6 +955,12 @@ public function split($numberOfGroups)
      */
     public function chunk($size)
     {
+        if ($size < 0) {
+            throw new InvalidArgumentException(
+                'Size parameter expected to be greater than 0'
+            );
+        }
+
         if ($size == 0) {
             return new static;
         }

Original file line number	Diff line number	Diff line change
`@@ -955,6 +955,12 @@ public function split($numberOfGroups)`
`955`	`955`	`*/`
`956`	`956`	`public function chunk($size)`
`957`	`957`	`{`
	`958`	`+ if ($size < 0) {`
	`959`	`+ throw new InvalidArgumentException(`
	`960`	`+ 'Size parameter expected to be greater than 0'`
	`961`	`+ );`
	`962`	`+ }`
	`963`	`+`
`958`	`964`	`if ($size == 0) {`
`959`	`965`	`return new static;`
`960`	`966`	`}`