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var inspect = require('../'); | |
var test = require('tape'); | |
var mockProperty = require('mock-property'); | |
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); | |
t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true })); | |
t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }'); | |
}); | |
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(); | |
}); | |