source: imaps-frontend/node_modules/object-inspect/test/values.js

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Last change on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago

Update repo after prototype presentation

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File size: 6.9 KB
Line 
1'use strict';
2
3var inspect = require('../');
4var test = require('tape');
5var mockProperty = require('mock-property');
6var hasSymbols = require('has-symbols/shams')();
7var hasToStringTag = require('has-tostringtag/shams')();
8
9test('values', function (t) {
10 t.plan(1);
11 var obj = [{}, [], { 'a-b': 5 }];
12 t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]');
13});
14
15test('arrays with properties', function (t) {
16 t.plan(1);
17 var arr = [3];
18 arr.foo = 'bar';
19 var obj = [1, 2, arr];
20 obj.baz = 'quux';
21 obj.index = -1;
22 t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]');
23});
24
25test('has', function (t) {
26 t.plan(1);
27 t.teardown(mockProperty(Object.prototype, 'hasOwnProperty', { 'delete': true }));
28
29 t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
30});
31
32test('indexOf seen', function (t) {
33 t.plan(1);
34 var xs = [1, 2, 3, {}];
35 xs.push(xs);
36
37 var seen = [];
38 seen.indexOf = undefined;
39
40 t.equal(
41 inspect(xs, {}, 0, seen),
42 '[ 1, 2, 3, {}, [Circular] ]'
43 );
44});
45
46test('seen seen', function (t) {
47 t.plan(1);
48 var xs = [1, 2, 3];
49
50 var seen = [xs];
51 seen.indexOf = undefined;
52
53 t.equal(
54 inspect(xs, {}, 0, seen),
55 '[Circular]'
56 );
57});
58
59test('seen seen seen', function (t) {
60 t.plan(1);
61 var xs = [1, 2, 3];
62
63 var seen = [5, xs];
64 seen.indexOf = undefined;
65
66 t.equal(
67 inspect(xs, {}, 0, seen),
68 '[Circular]'
69 );
70});
71
72test('symbols', { skip: !hasSymbols }, function (t) {
73 var sym = Symbol('foo');
74 t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"');
75 if (typeof sym === 'symbol') {
76 // Symbol shams are incapable of differentiating boxed from unboxed symbols
77 t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"');
78 }
79
80 t.test('toStringTag', { skip: !hasToStringTag }, function (st) {
81 st.plan(1);
82
83 var faker = {};
84 faker[Symbol.toStringTag] = 'Symbol';
85 st.equal(
86 inspect(faker),
87 '{ [Symbol(Symbol.toStringTag)]: \'Symbol\' }',
88 'object lying about being a Symbol inspects as an object'
89 );
90 });
91
92 t.end();
93});
94
95test('Map', { skip: typeof Map !== 'function' }, function (t) {
96 var map = new Map();
97 map.set({ a: 1 }, ['b']);
98 map.set(3, NaN);
99 var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}';
100 t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents');
101 t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty');
102
103 var nestedMap = new Map();
104 nestedMap.set(nestedMap, map);
105 t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work');
106
107 t.end();
108});
109
110test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) {
111 var map = new WeakMap();
112 map.set({ a: 1 }, ['b']);
113 var expectedString = 'WeakMap { ? }';
114 t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents');
115 t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty');
116
117 t.end();
118});
119
120test('Set', { skip: typeof Set !== 'function' }, function (t) {
121 var set = new Set();
122 set.add({ a: 1 });
123 set.add(['b']);
124 var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}';
125 t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents');
126 t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty');
127
128 var nestedSet = new Set();
129 nestedSet.add(set);
130 nestedSet.add(nestedSet);
131 t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work');
132
133 t.end();
134});
135
136test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) {
137 var map = new WeakSet();
138 map.add({ a: 1 });
139 var expectedString = 'WeakSet { ? }';
140 t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents');
141 t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty');
142
143 t.end();
144});
145
146test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) {
147 var ref = new WeakRef({ a: 1 });
148 var expectedString = 'WeakRef { ? }';
149 t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents');
150
151 t.end();
152});
153
154test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) {
155 var registry = new FinalizationRegistry(function () {});
156 var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}';
157 t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys');
158
159 t.end();
160});
161
162test('Strings', function (t) {
163 var str = 'abc';
164
165 t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such');
166 t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted');
167 t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted');
168 t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such');
169 t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted');
170 t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted');
171
172 t.end();
173});
174
175test('Numbers', function (t) {
176 var num = 42;
177
178 t.equal(inspect(num), String(num), 'primitive number shows as such');
179 t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such');
180
181 t.end();
182});
183
184test('Booleans', function (t) {
185 t.equal(inspect(true), String(true), 'primitive true shows as such');
186 t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such');
187
188 t.equal(inspect(false), String(false), 'primitive false shows as such');
189 t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such');
190
191 t.end();
192});
193
194test('Date', function (t) {
195 var now = new Date();
196 t.equal(inspect(now), String(now), 'Date shows properly');
197 t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly');
198
199 t.end();
200});
201
202test('RegExps', function (t) {
203 t.equal(inspect(/a/g), '/a/g', 'regex shows properly');
204 t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly');
205
206 var match = 'abc abc'.match(/[ab]+/);
207 delete match.groups; // for node < 10
208 t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly');
209
210 t.end();
211});
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