/
tests.js
38 lines (33 loc) · 875 Bytes
/
tests.js
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/* eslint-env mocha, browser */
/* global proclaim, Symbol */
function getDOMTokenList () {
var div = document.createElement('div');
div.className = 'class1 class2';
return div.classList;
}
it('exists', function () {
if (!Symbol || !Symbol.iterator) {
proclaim.fail();
return;
}
proclaim.isInstanceOf(getDOMTokenList()[Symbol.iterator], Function);
});
it('returns a next-able object', function () {
var tokenList = getDOMTokenList();
var iterator = tokenList[Symbol.iterator]();
proclaim.isInstanceOf(iterator.next, Function);
proclaim.deepEqual(iterator.next(), {
value: 'class1',
done: false
});
});
it('finally returns a done object', function () {
var tokenList = getDOMTokenList();
var iterator = tokenList[Symbol.iterator]();
iterator.next();
iterator.next();
proclaim.deepEqual(iterator.next(), {
done: true,
value: undefined
});
});