Add builtin benchmarks

Author: kgryte

lib/node_modules/@stdlib/string/base/replace/benchmark/benchmark.js

@@ -83,3 +83,59 @@ bench( pkg+'::replacer', function benchmark( b ) {
 		return '/' + p1 + '/';
 	}
 });
+
+bench( pkg+'::builtin,regexp', function benchmark( b ) {
+	var values;
+	var out;
+	var str;
+	var re;
+	var i;
+
+	values = [
+		'abc',
+		'def',
+		'hig'
+	];
+	str = 'To be, or not to be, that is the question.';
+	re = /be/g;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		out = str.replace( re, values[ i%values.length ] );
+		if ( typeof out !== 'string' ) {
+			b.fail( 'should return a string' );
+		}
+	}
+	b.toc();
+	if ( !isString( out ) ) {
+		b.fail( 'should return a string' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( pkg+'::builtin,replacer', function benchmark( b ) {
+	var out;
+	var str;
+	var i;
+
+	str = 'To be, or not to be, that is the question.';
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		out = str.replace( 'be', replacer );
+		if ( typeof out !== 'string' ) {
+			b.fail( 'should return a string' );
+		}
+	}
+	b.toc();
+	if ( !isString( out ) ) {
+		b.fail( 'should return a string' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+
+	function replacer( match, p1 ) {
+		return '/' + p1 + '/';
+	}
+});