@ -45,24 +45,26 @@ assert.equal(util.inspect(Object.create({},
// the following ways this hash is displayed.
// See http://codereview.chromium.org/9124004/
var out = util . inspect ( Object . create ( { } ,
{ visible : { value : 1 , enumerable : true } , hidden : { value : 2 } } ) , true ) ;
if ( out !== '{ [hidden]: 2, visible: 1 }' &&
out !== '{ visible: 1, [hidden]: 2 }' ) {
assert . ok ( false ) ;
{
const out = util . inspect ( Object . create ( { } ,
{ visible : { value : 1 , enumerable : true } , hidden : { value : 2 } } ) , true ) ;
if ( out !== '{ [hidden]: 2, visible: 1 }' &&
out !== '{ visible: 1, [hidden]: 2 }' ) {
assert . ok ( false ) ;
}
}
// Objects without prototype
var out = util . inspect ( Object . create ( null ,
{ name : { value : 'Tim' , enumerable : true } ,
hidden : { value : 'secret' } } ) , true ) ;
if ( out !== "{ [hidden]: 'secret', name: 'Tim' }" &&
out !== "{ name: 'Tim', [hidden]: 'secret' }" ) {
assert ( false ) ;
{
const out = util . inspect ( Object . create ( null ,
{ name : { value : 'Tim' , enumerable : true } ,
hidden : { value : 'secret' } } ) , true ) ;
if ( out !== "{ [hidden]: 'secret', name: 'Tim' }" &&
out !== "{ name: 'Tim', [hidden]: 'secret' }" ) {
assert ( false ) ;
}
}
assert . equal (
util . inspect ( Object . create ( null ,
{ name : { value : 'Tim' , enumerable : true } ,
@ -129,17 +131,19 @@ assert.equal(util.inspect(a, true), '[ \'foo\', , \'baz\', [length]: 3 ]');
assert . equal ( util . inspect ( new Array ( 5 ) ) , '[ , , , , ]' ) ;
// test for Array constructor in different context
const Debug = require ( 'vm' ) . runInDebugContext ( 'Debug' ) ;
var map = new Map ( ) ;
map . set ( 1 , 2 ) ;
var mirror = Debug . MakeMirror ( map . entries ( ) , true ) ;
var vals = mirror . preview ( ) ;
var valsOutput = [ ] ;
for ( const o of vals ) {
valsOutput . push ( o ) ;
}
{
const Debug = require ( 'vm' ) . runInDebugContext ( 'Debug' ) ;
const map = new Map ( ) ;
map . set ( 1 , 2 ) ;
const mirror = Debug . MakeMirror ( map . entries ( ) , true ) ;
const vals = mirror . preview ( ) ;
const valsOutput = [ ] ;
for ( const o of vals ) {
valsOutput . push ( o ) ;
}
assert . strictEqual ( util . inspect ( valsOutput ) , '[ [ 1, 2 ] ]' ) ;
assert . strictEqual ( util . inspect ( valsOutput ) , '[ [ 1, 2 ] ]' ) ;
}
// test for other constructors in different context
var obj = require ( 'vm' ) . runInNewContext ( '(function(){return {}})()' , { } ) ;
@ -212,8 +216,10 @@ assert.doesNotThrow(function() {
} ) ;
// GH-2225
var x = { inspect : util . inspect } ;
assert . ok ( util . inspect ( x ) . indexOf ( 'inspect' ) != - 1 ) ;
{
const x = { inspect : util . inspect } ;
assert . ok ( util . inspect ( x ) . indexOf ( 'inspect' ) != - 1 ) ;
}
// util.inspect should not display the escaped value of a key.
var w = {
@ -261,39 +267,41 @@ assert.doesNotThrow(function() {
} ) ;
// new API, accepts an "options" object
var subject = { foo : 'bar' , hello : 31 , a : { b : { c : { d : 0 } } } } ;
Object . defineProperty ( subject , 'hidden' , { enumerable : false , value : null } ) ;
assert ( util . inspect ( subject , { showHidden : false } ) . indexOf ( 'hidden' ) === - 1 ) ;
assert ( util . inspect ( subject , { showHidden : true } ) . indexOf ( 'hidden' ) !== - 1 ) ;
assert ( util . inspect ( subject , { colors : false } ) . indexOf ( '\u001b[32m' ) === - 1 ) ;
assert ( util . inspect ( subject , { colors : true } ) . indexOf ( '\u001b[32m' ) !== - 1 ) ;
assert ( util . inspect ( subject , { depth : 2 } ) . indexOf ( 'c: [Object]' ) !== - 1 ) ;
assert ( util . inspect ( subject , { depth : 0 } ) . indexOf ( 'a: [Object]' ) !== - 1 ) ;
assert ( util . inspect ( subject , { depth : null } ) . indexOf ( '{ d: 0 }' ) !== - 1 ) ;
// "customInspect" option can enable/disable calling inspect() on objects
subject = { inspect : function ( ) { return 123 ; } } ;
assert ( util . inspect ( subject ,
{ customInspect : true } ) . indexOf ( '123' ) !== - 1 ) ;
assert ( util . inspect ( subject ,
{ customInspect : true } ) . indexOf ( 'inspect' ) === - 1 ) ;
assert ( util . inspect ( subject ,
{ customInspect : false } ) . indexOf ( '123' ) === - 1 ) ;
assert ( util . inspect ( subject ,
{ customInspect : false } ) . indexOf ( 'inspect' ) !== - 1 ) ;
// custom inspect() functions should be able to return other Objects
subject . inspect = function ( ) { return { foo : 'bar' } ; } ;
assert . equal ( util . inspect ( subject ) , '{ foo: \'bar\' }' ) ;
subject . inspect = function ( depth , opts ) {
assert . strictEqual ( opts . customInspectOptions , true ) ;
} ;
{
let subject = { foo : 'bar' , hello : 31 , a : { b : { c : { d : 0 } } } } ;
Object . defineProperty ( subject , 'hidden' , { enumerable : false , value : null } ) ;
assert ( util . inspect ( subject , { showHidden : false } ) . indexOf ( 'hidden' ) === - 1 ) ;
assert ( util . inspect ( subject , { showHidden : true } ) . indexOf ( 'hidden' ) !== - 1 ) ;
assert ( util . inspect ( subject , { colors : false } ) . indexOf ( '\u001b[32m' ) === - 1 ) ;
assert ( util . inspect ( subject , { colors : true } ) . indexOf ( '\u001b[32m' ) !== - 1 ) ;
assert ( util . inspect ( subject , { depth : 2 } ) . indexOf ( 'c: [Object]' ) !== - 1 ) ;
assert ( util . inspect ( subject , { depth : 0 } ) . indexOf ( 'a: [Object]' ) !== - 1 ) ;
assert ( util . inspect ( subject , { depth : null } ) . indexOf ( '{ d: 0 }' ) !== - 1 ) ;
// "customInspect" option can enable/disable calling inspect() on objects
subject = { inspect : function ( ) { return 123 ; } } ;
assert ( util . inspect ( subject ,
{ customInspect : true } ) . indexOf ( '123' ) !== - 1 ) ;
assert ( util . inspect ( subject ,
{ customInspect : true } ) . indexOf ( 'inspect' ) === - 1 ) ;
assert ( util . inspect ( subject ,
{ customInspect : false } ) . indexOf ( '123' ) === - 1 ) ;
assert ( util . inspect ( subject ,
{ customInspect : false } ) . indexOf ( 'inspect' ) !== - 1 ) ;
// custom inspect() functions should be able to return other Objects
subject . inspect = function ( ) { return { foo : 'bar' } ; } ;
assert . equal ( util . inspect ( subject ) , '{ foo: \'bar\' }' ) ;
subject . inspect = function ( depth , opts ) {
assert . strictEqual ( opts . customInspectOptions , true ) ;
} ;
util . inspect ( subject , { customInspectOptions : true } ) ;
util . inspect ( subject , { customInspectOptions : true } ) ;
}
// util.inspect with "colors" option should produce as many lines as without it
function test_lines ( input ) {
@ -353,8 +361,8 @@ if (typeof Symbol !== 'undefined') {
assert . equal ( util . inspect ( [ Symbol ( ) ] ) , '[ Symbol() ]' ) ;
assert . equal ( util . inspect ( { foo : Symbol ( ) } ) , '{ foo: Symbol() }' ) ;
var options = { showHidden : true } ;
var subject = { } ;
const options = { showHidden : true } ;
let subject = { } ;
subject [ Symbol ( 'symbol' ) ] = 42 ;
@ -367,7 +375,6 @@ if (typeof Symbol !== 'undefined') {
assert . equal ( util . inspect ( subject ) , '[ 1, 2, 3 ]' ) ;
assert . equal ( util . inspect ( subject , options ) ,
'[ 1, 2, 3, [length]: 3, [Symbol(symbol)]: 42 ]' ) ;
}
// test Set
@ -378,13 +385,15 @@ set.bar = 42;
assert . equal ( util . inspect ( set , true ) , 'Set { \'foo\', [size]: 1, bar: 42 }' ) ;
// test Map
assert . equal ( util . inspect ( new Map ( ) ) , 'Map {}' ) ;
assert . equal ( util . inspect ( new Map ( [ [ 1 , 'a' ] , [ 2 , 'b' ] , [ 3 , 'c' ] ] ) ) ,
'Map { 1 => \'a\', 2 => \'b\', 3 => \'c\' }' ) ;
var map = new Map ( [ [ 'foo' , null ] ] ) ;
map . bar = 42 ;
assert . equal ( util . inspect ( map , true ) ,
'Map { \'foo\' => null, [size]: 1, bar: 42 }' ) ;
{
assert . equal ( util . inspect ( new Map ( ) ) , 'Map {}' ) ;
assert . equal ( util . inspect ( new Map ( [ [ 1 , 'a' ] , [ 2 , 'b' ] , [ 3 , 'c' ] ] ) ) ,
'Map { 1 => \'a\', 2 => \'b\', 3 => \'c\' }' ) ;
const map = new Map ( [ [ 'foo' , null ] ] ) ;
map . bar = 42 ;
assert . equal ( util . inspect ( map , true ) ,
'Map { \'foo\' => null, [size]: 1, bar: 42 }' ) ;
}
// test Promise
assert . equal ( util . inspect ( Promise . resolve ( 3 ) ) , 'Promise { 3 }' ) ;
@ -457,41 +466,50 @@ checkAlignment(new Map(big_array.map(function(y) { return [y, null]; })));
// Test display of constructors
class ObjectSubclass { }
class ArraySubclass extends Array { }
class SetSubclass extends Set { }
class MapSubclass extends Map { }
class PromiseSubclass extends Promise { }
var x = new ObjectSubclass ( ) ;
x . foo = 42 ;
assert . equal ( util . inspect ( x ) ,
'ObjectSubclass { foo: 42 }' ) ;
assert . equal ( util . inspect ( new ArraySubclass ( 1 , 2 , 3 ) ) ,
'ArraySubclass [ 1, 2, 3 ]' ) ;
assert . equal ( util . inspect ( new SetSubclass ( [ 1 , 2 , 3 ] ) ) ,
'SetSubclass { 1, 2, 3 }' ) ;
assert . equal ( util . inspect ( new MapSubclass ( [ [ 'foo' , 42 ] ] ) ) ,
'MapSubclass { \'foo\' => 42 }' ) ;
assert . equal ( util . inspect ( new PromiseSubclass ( function ( ) { } ) ) ,
'PromiseSubclass { <pending> }' ) ;
{
class ObjectSubclass { }
class ArraySubclass extends Array { }
class SetSubclass extends Set { }
class MapSubclass extends Map { }
class PromiseSubclass extends Promise { }
const x = new ObjectSubclass ( ) ;
x . foo = 42 ;
assert . equal ( util . inspect ( x ) ,
'ObjectSubclass { foo: 42 }' ) ;
assert . equal ( util . inspect ( new ArraySubclass ( 1 , 2 , 3 ) ) ,
'ArraySubclass [ 1, 2, 3 ]' ) ;
assert . equal ( util . inspect ( new SetSubclass ( [ 1 , 2 , 3 ] ) ) ,
'SetSubclass { 1, 2, 3 }' ) ;
assert . equal ( util . inspect ( new MapSubclass ( [ [ 'foo' , 42 ] ] ) ) ,
'MapSubclass { \'foo\' => 42 }' ) ;
assert . equal ( util . inspect ( new PromiseSubclass ( function ( ) { } ) ) ,
'PromiseSubclass { <pending> }' ) ;
}
// Corner cases.
var x = { constructor : 42 } ;
assert . equal ( util . inspect ( x ) , '{ constructor: 42 }' ) ;
var x = { } ;
Object . defineProperty ( x , 'constructor' , {
get : function ( ) {
throw new Error ( 'should not access constructor' ) ;
} ,
enumerable : true
} ) ;
assert . equal ( util . inspect ( x ) , '{ constructor: [Getter] }' ) ;
{
const x = { constructor : 42 } ;
assert . equal ( util . inspect ( x ) , '{ constructor: 42 }' ) ;
}
var x = new ( function ( ) { } ) ;
assert . equal ( util . inspect ( x ) , '{}' ) ;
{
const x = { } ;
Object . defineProperty ( x , 'constructor' , {
get : function ( ) {
throw new Error ( 'should not access constructor' ) ;
} ,
enumerable : true
} ) ;
assert . equal ( util . inspect ( x ) , '{ constructor: [Getter] }' ) ;
}
var x = Object . create ( null ) ;
assert . equal ( util . inspect ( x ) , '{}' ) ;
{
const x = new ( function ( ) { } ) ;
assert . equal ( util . inspect ( x ) , '{}' ) ;
}
{
const x = Object . create ( null ) ;
assert . equal ( util . inspect ( x ) , '{}' ) ;
}