util: inspect boxed symbols like other primitives

Inspect boxed symbol objects in the same way other boxed primitives are inspected. Fixes: #7639 PR-URL: #7641 Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]>

Author: addaleax

lib/util.js

@@ -413,6 +413,10 @@ function formatValue(ctx, value, recurseTimes){
 formatted=formatPrimitiveNoColor(ctx,raw);
 returnctx.stylize('[String: '+formatted+']','string');
 }
+if(typeofraw==='symbol'){
+formatted=formatPrimitiveNoColor(ctx,raw);
+returnctx.stylize('[Symbol: '+formatted+']','symbol');
+}
 if(typeofraw==='number'){
 formatted=formatPrimitiveNoColor(ctx,raw);
 returnctx.stylize('[Number: '+formatted+']','number');

test/parallel/test-util-inspect.js

@@ -474,6 +474,7 @@ test_lines({
 
 // test boxed primitives output the correct values
 assert.equal(util.inspect(newString('test')),'[String: \'test\']');
+assert.equal(util.inspect(Object(Symbol('test'))),'[Symbol: Symbol(test)]');
 assert.equal(util.inspect(newBoolean(false)),'[Boolean: false]');
 assert.equal(util.inspect(newBoolean(true)),'[Boolean: true]');
 assert.equal(util.inspect(newNumber(0)),'[Number: 0]');