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