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Direktori : /var/www/html/node_modules/object-inspect/test/ |
Current File : //var/www/html/node_modules/object-inspect/test/fn.js |
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(); });