'use strict'; var inspect = require('../'); var test = require('tape'); var hasSymbols = require('has-symbols/shams')(); var hasToStringTag = require('has-tostringtag/shams')(); test('values', function (t) { t.plan(1); var obj = [{}, [], { 'a-b': 5 }]; t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]'); }); test('arrays with properties', function (t) { t.plan(1); var arr = [3]; arr.foo = 'bar'; var obj = [1, 2, arr]; obj.baz = 'quux'; obj.index = -1; t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]'); }); test('has', function (t) { t.plan(1); var has = Object.prototype.hasOwnProperty; delete Object.prototype.hasOwnProperty; t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }'); Object.prototype.hasOwnProperty = has; // eslint-disable-line no-extend-native }); test('indexOf seen', function (t) { t.plan(1); var xs = [1, 2, 3, {}]; xs.push(xs); var seen = []; seen.indexOf = undefined; t.equal( inspect(xs, {}, 0, seen), '[ 1, 2, 3, {}, [Circular] ]' ); }); test('seen seen', function (t) { t.plan(1); var xs = [1, 2, 3]; var seen = [xs]; seen.indexOf = undefined; t.equal( inspect(xs, {}, 0, seen), '[Circular]' ); }); test('seen seen seen', function (t) { t.plan(1); var xs = [1, 2, 3]; var seen = [5, xs]; seen.indexOf = undefined; t.equal( inspect(xs, {}, 0, seen), '[Circular]' ); }); test('symbols', { skip: !hasSymbols }, function (t) { var sym = Symbol('foo'); t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"'); if (typeof sym === 'symbol') { // Symbol shams are incapable of differentiating boxed from unboxed symbols t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"'); } t.test('toStringTag', { skip: !hasToStringTag }, function (st) { st.plan(1); var faker = {}; faker[Symbol.toStringTag] = 'Symbol'; st.equal( inspect(faker), '{ [Symbol(Symbol.toStringTag)]: \'Symbol\' }', 'object lying about being a Symbol inspects as an object' ); }); t.end(); }); test('Map', { skip: typeof Map !== 'function' }, function (t) { var map = new Map(); map.set({ a: 1 }, ['b']); map.set(3, NaN); var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}'; t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents'); t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty'); var nestedMap = new Map(); nestedMap.set(nestedMap, map); t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work'); t.end(); }); test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) { var map = new WeakMap(); map.set({ a: 1 }, ['b']); var expectedString = 'WeakMap { ? }'; t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents'); t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty'); t.end(); }); test('Set', { skip: typeof Set !== 'function' }, function (t) { var set = new Set(); set.add({ a: 1 }); set.add(['b']); var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}'; t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents'); t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty'); var nestedSet = new Set(); nestedSet.add(set); nestedSet.add(nestedSet); t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work'); t.end(); }); test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) { var map = new WeakSet(); map.add({ a: 1 }); var expectedString = 'WeakSet { ? }'; t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents'); t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty'); t.end(); }); test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) { var ref = new WeakRef({ a: 1 }); var expectedString = 'WeakRef { ? }'; t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents'); t.end(); }); test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) { var registry = new FinalizationRegistry(function () {}); var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}'; t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys'); t.end(); }); test('Strings', function (t) { var str = 'abc'; t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such'); t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted'); t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted'); t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such'); t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted'); t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted'); t.end(); }); test('Numbers', function (t) { var num = 42; t.equal(inspect(num), String(num), 'primitive number shows as such'); t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such'); t.end(); }); test('Booleans', function (t) { t.equal(inspect(true), String(true), 'primitive true shows as such'); t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such'); t.equal(inspect(false), String(false), 'primitive false shows as such'); t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such'); t.end(); }); test('Date', function (t) { var now = new Date(); t.equal(inspect(now), String(now), 'Date shows properly'); t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly'); t.end(); }); test('RegExps', function (t) { t.equal(inspect(/a/g), '/a/g', 'regex shows properly'); t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly'); var match = 'abc abc'.match(/[ab]+/); delete match.groups; // for node < 10 t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly'); t.end(); });