Update benchmark

Author: kgryte

lib/node_modules/@stdlib/iter/advance/benchmark/benchmark.js

@@ -42,16 +42,17 @@ function createIterator( arr ) {
 	return it;
 
 	function next() {
+		if ( i === len ) {
+			i = -1;
+		}
 		i += 1;
-		if ( i < len-1 ) {
+		if ( i < len ) {
 			return {
 				'value': arr[ i ],
 				'done': false
 			};
 		}
-		i = -1; // reset index
 		return {
-			'value': arr[ len-1 ],
 			'done': true
 		};
 	}
@@ -86,6 +87,7 @@ bench( pkg+'::loop', function benchmark( b ) {
 	var values;
 	var arr;
 	var v;
+	var p;
 	var i;
 
 	values = [ 0, 0, 0, 0, 0, 1 ];
@@ -95,14 +97,15 @@ bench( pkg+'::loop', function benchmark( b ) {
 	for ( i = 0; i < b.iterations; i++ ) {
 		v = {};
 		while ( v && !v.done ) {
+			p = v;
 			v = arr.next();
 		}
-		if ( v.value !== 1 ) {
+		if ( p.value !== 1 ) {
 			b.fail( 'unexpected result' );
 		}
 	}
 	b.toc();
-	if ( v.value !== 1 ) {
+	if ( p.value !== 1 ) {
 		b.fail( 'unexpected result' );
 	}
 	b.pass( 'benchmark finished' );