Add tests to achieve full test coverage

Author: kgryte

lib/node_modules/@stdlib/regexp/whitespace/test/test.main.js

@@ -21,6 +21,7 @@
 // MODULES //
 
 var tape = require( 'tape' );
+var replace = require( '@stdlib/string/replace' );
 var reWhitespace = require( './../lib/main.js' );
 
 
@@ -33,10 +34,12 @@ tape( 'main export is a function', function test( t ) {
 });
 
 tape( 'the function returns a regular expression to match white space character sequences (no options)', function test( t ) {
-	var REGEXP = reWhitespace();
 	var values;
+	var re;
 	var i;
 
+	re = reWhitespace();
+
 	values = [
 		'\r',
 		'\n',
@@ -72,16 +75,18 @@ tape( 'the function returns a regular expression to match white space character
 	];
 
 	for ( i = 0; i < values.length; i++ ) {
-		t.strictEqual( REGEXP.test( values[ i ] ), true, 'matches when provided '+values[i] );
+		t.strictEqual( re.test( values[ i ] ), true, 'matches when provided '+values[i] );
 	}
 	t.end();
 });
 
 tape( 'the returned regular expression does not match escaped sequences or non-matching strings (no options)', function test( t ) {
-	var REGEXP = reWhitespace();
 	var values;
+	var re;
 	var i;
 
+	re = reWhitespace();
+
 	values = [
 		'\\r',
 		'\\n',
@@ -95,7 +100,7 @@ tape( 'the returned regular expression does not match escaped sequences or non-m
 	];
 
 	for ( i = 0; i < values.length; i++ ) {
-		t.strictEqual( REGEXP.test( values[ i ] ), false, 'does not match when provided '+values[i] );
+		t.strictEqual( re.test( values[ i ] ), false, 'does not match when provided '+values[i] );
 	}
 	t.end();
 });
@@ -139,7 +144,7 @@ tape( 'the function throws an error if provided an invalid option', function tes
 		5,
 		NaN,
 		null,
-		undefined,
+		void 0,
 		[],
 		function noop() {},
 		/.*/,
@@ -163,17 +168,42 @@ tape( 'the function throws an error if provided an invalid option', function tes
 
 tape( 'the function supports returning a regular expression wrapped in a capture group', function test( t ) {
 	var expected;
-	var REGEXP;
 	var arr;
 	var str;
+	var re;
 
-	REGEXP = reWhitespace({
+	re = reWhitespace({
 		'capture': true
 	});
 	str = 'Hello World!';
 	expected = [ 'Hello', ' ', 'World!' ];
-	arr = str.split( REGEXP );
+	arr = str.split( re );
 
 	t.deepEqual( arr, expected, 'returns expected value' );
 	t.end();
 });
+
+tape( 'the function supports specifying regular expression flags', function test( t ) {
+	var expected;
+	var actual;
+	var str;
+	var re;
+
+	str = ' Hello World!   ';
+
+	re = reWhitespace();
+	actual = replace( str, re, '!' );
+	expected = '!Hello World!   ';
+
+	t.strictEqual( actual, expected, 'returns expected value' );
+
+	re = reWhitespace({
+		'flags': 'g'
+	});
+	actual = replace( str, re, '!' );
+	expected = '!Hello!World!!!!';
+
+	t.strictEqual( actual, expected, 'returns expected value' );
+
+	t.end();
+});