86 lines
2.2 KiB
Plaintext
86 lines
2.2 KiB
Plaintext
'use strict';
|
|
|
|
var test = require('tape');
|
|
var hasToStringTag = require('has-tostringtag/shams')();
|
|
var hasOwn = require('hasown');
|
|
|
|
var setToStringTag = require('../');
|
|
|
|
test('setToStringTag', function (t) {
|
|
t.equal(typeof setToStringTag, 'function', 'is a function');
|
|
|
|
/** @type {{ [Symbol.toStringTag]?: typeof sentinel }} */
|
|
var obj = {};
|
|
var sentinel = {};
|
|
|
|
setToStringTag(obj, sentinel);
|
|
|
|
t['throws'](
|
|
// @ts-expect-error
|
|
function () { setToStringTag(obj, sentinel, { force: 'yes' }); },
|
|
TypeError,
|
|
'throws if options is not an object'
|
|
);
|
|
|
|
t.test('has Symbol.toStringTag', { skip: !hasToStringTag }, function (st) {
|
|
st.ok(hasOwn(obj, Symbol.toStringTag), 'has toStringTag property');
|
|
|
|
st.equal(obj[Symbol.toStringTag], sentinel, 'toStringTag property is as expected');
|
|
|
|
st.equal(String(obj), '[object Object]', 'toStringTag works');
|
|
|
|
/** @type {{ [Symbol.toStringTag]?: string }} */
|
|
var tagged = {};
|
|
tagged[Symbol.toStringTag] = 'already tagged';
|
|
st.equal(String(tagged), '[object already tagged]', 'toStringTag works');
|
|
|
|
setToStringTag(tagged, 'new tag');
|
|
st.equal(String(tagged), '[object already tagged]', 'toStringTag is unchanged');
|
|
|
|
setToStringTag(tagged, 'new tag', { force: true });
|
|
st.equal(String(tagged), '[object new tag]', 'toStringTag is changed with force: true');
|
|
|
|
st.deepEqual(
|
|
Object.getOwnPropertyDescriptor(tagged, Symbol.toStringTag),
|
|
{
|
|
configurable: true,
|
|
enumerable: false,
|
|
value: 'new tag',
|
|
writable: false
|
|
},
|
|
'has expected property descriptor'
|
|
);
|
|
|
|
setToStringTag(tagged, 'new tag', { force: true, nonConfigurable: true });
|
|
st.deepEqual(
|
|
Object.getOwnPropertyDescriptor(tagged, Symbol.toStringTag),
|
|
{
|
|
configurable: false,
|
|
enumerable: false,
|
|
value: 'new tag',
|
|
writable: false
|
|
},
|
|
'is nonconfigurable'
|
|
);
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.test('does not have Symbol.toStringTag', { skip: hasToStringTag }, function (st) {
|
|
var passed = true;
|
|
for (var key in obj) { // eslint-disable-line no-restricted-syntax
|
|
if (hasOwn(obj, key)) {
|
|
st.fail('object has own key ' + key);
|
|
passed = false;
|
|
}
|
|
}
|
|
if (passed) {
|
|
st.ok(true, 'object has no enumerable own keys');
|
|
}
|
|
|
|
st.end();
|
|
});
|
|
|
|
t.end();
|
|
});
|