Current File : /var/www/html/node_modules/object.values/test/tests.js
'use strict';
var keys = require('object-keys');
var map = require('array.prototype.map');
var define = require('define-properties');
var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';
module.exports = function (values, t) {
var a = {};
var b = {};
var c = {};
var obj = { a: a, b: b, c: c };
t.deepEqual(values(obj), [a, b, c], 'basic support');
t.deepEqual(values({ a: a, b: a, c: c }), [a, a, c], 'duplicate values are included');
t.test('values are in the same order as keys', function (st) {
var object = { a: a, b: b };
object[0] = 3;
object.c = c;
object[1] = 4;
delete object[0];
var objKeys = keys(object);
var objValues = map(objKeys, function (key) {
return object[key];
});
st.deepEqual(values(object), objValues, 'values match key order');
st.end();
});
t.test('non-enumerable properties are omitted', { skip: !Object.defineProperty }, function (st) {
var object = { a: a, b: b };
Object.defineProperty(object, 'c', { enumerable: false, value: c });
st.deepEqual(values(object), [a, b], 'non-enumerable property‘s value is omitted');
st.end();
});
t.test('inherited properties are omitted', function (st) {
var F = function G() {};
F.prototype.a = a;
var f = new F();
f.b = b;
st.deepEqual(values(f), [b], 'only own properties are included');
st.end();
});
t.test('Symbol properties are omitted', { skip: !hasSymbols }, function (st) {
var object = { a: a, b: b, c: c };
var enumSym = Symbol('enum');
var nonEnumSym = Symbol('non enum');
object[enumSym] = enumSym;
object.d = enumSym;
Object.defineProperty(object, nonEnumSym, { enumerable: false, value: nonEnumSym });
st.deepEqual(values(object), [a, b, c, enumSym], 'symbol properties are omitted');
st.end();
});
t.test('not-yet-visited keys deleted on [[Get]] must not show up in output', { skip: !define.supportsDescriptors }, function (st) {
var o = { a: 1, b: 2, c: 3 };
Object.defineProperty(o, 'a', {
get: function () {
delete this.b;
return 1;
}
});
st.deepEqual(values(o), [1, 3], 'when "b" is deleted prior to being visited, it should not show up');
st.end();
});
t.test('not-yet-visited keys made non-enumerable on [[Get]] must not show up in output', { skip: !define.supportsDescriptors }, function (st) {
var o = { a: 'A', b: 'B' };
Object.defineProperty(o, 'a', {
get: function () {
Object.defineProperty(o, 'b', { enumerable: false });
return 'A';
}
});
st.deepEqual(values(o), ['A'], 'when "b" is made non-enumerable prior to being visited, it should not show up');
st.end();
});
};
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