You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
76 lines
2.2 KiB
76 lines
2.2 KiB
var inspect = require('../'); |
|
var test = require('tape'); |
|
var arrow = require('make-arrow-function')(); |
|
var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames(); |
|
|
|
test('function', function (t) { |
|
t.plan(1); |
|
var obj = [1, 2, function f(n) { return n; }, 4]; |
|
t.equal(inspect(obj), '[ 1, 2, [Function: f], 4 ]'); |
|
}); |
|
|
|
test('function name', function (t) { |
|
t.plan(1); |
|
var f = (function () { |
|
return function () {}; |
|
}()); |
|
f.toString = function toStr() { return 'function xxx () {}'; }; |
|
var obj = [1, 2, f, 4]; |
|
t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)] { toString: [Function: toStr] }, 4 ]'); |
|
}); |
|
|
|
test('anon function', function (t) { |
|
var f = (function () { |
|
return function () {}; |
|
}()); |
|
var obj = [1, 2, f, 4]; |
|
t.equal(inspect(obj), '[ 1, 2, [Function (anonymous)], 4 ]'); |
|
|
|
t.end(); |
|
}); |
|
|
|
test('arrow function', { skip: !arrow }, function (t) { |
|
t.equal(inspect(arrow), '[Function (anonymous)]'); |
|
|
|
t.end(); |
|
}); |
|
|
|
test('truly nameless function', { skip: !arrow || !functionsHaveConfigurableNames }, function (t) { |
|
function f() {} |
|
Object.defineProperty(f, 'name', { value: false }); |
|
t.equal(f.name, false); |
|
t.equal( |
|
inspect(f), |
|
'[Function: f]', |
|
'named function with falsy `.name` does not hide its original name' |
|
); |
|
|
|
function g() {} |
|
Object.defineProperty(g, 'name', { value: true }); |
|
t.equal(g.name, true); |
|
t.equal( |
|
inspect(g), |
|
'[Function: true]', |
|
'named function with truthy `.name` hides its original name' |
|
); |
|
|
|
var anon = function () {}; // eslint-disable-line func-style |
|
Object.defineProperty(anon, 'name', { value: null }); |
|
t.equal(anon.name, null); |
|
t.equal( |
|
inspect(anon), |
|
'[Function (anonymous)]', |
|
'anon function with falsy `.name` does not hide its anonymity' |
|
); |
|
|
|
var anon2 = function () {}; // eslint-disable-line func-style |
|
Object.defineProperty(anon2, 'name', { value: 1 }); |
|
t.equal(anon2.name, 1); |
|
t.equal( |
|
inspect(anon2), |
|
'[Function: 1]', |
|
'anon function with truthy `.name` hides its anonymity' |
|
); |
|
|
|
t.end(); |
|
});
|
|
|