<!doctype html>
<title>base64 test</title>
<div id=x>Fail</div>
<script src=asserts.js></script>
<script>
const div = document.getElementById("x");
assert_equals(atob(""), "");
assert_equals(atob(" "), "");
assert_equals(atob("YQ"), "a");
assert_equals(atob("YR"), "a");
assert_throws('atob("!")', DOMException);
assert_throws('atob("a")', DOMException);
assert_throws('atob("aaaaa")', DOMException);
assert_throws('atob("Aaa==")', DOMException);
assert_throws('atob("Aaaa==")', DOMException);
assert_throws('atob("Aaaaa==")', DOMException);
assert_throws('atob("Aa aaa= = ")', DOMException);
assert_equals(atob("AAAAAA=="), atob("AAAAAA"));
assert_equals(atob("AAAAAA"), atob("A A A A A A"));
assert_equals(atob("AAAAAA"), "\u0000\u0000\u0000\u0000");
assert_equals(atob("ABCDEF"), "\u0000\u0010\u0083\u0010");
assert_equals(atob("//////"), "ÿÿÿÿ");
const longa =
"TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz" +
"IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg" +
"dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu" +
"dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo" +
"ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4K";
const longb = "Man is distinguished, not only by his reason, but by this " +
"singular passion from other animals, which is a lust of the mind, " +
"that by a perseverance of delight in the continued and " +
"indefatigable generation of knowledge, exceeds the short vehemence " +
"of any carnal pleasure.\n";
assert_equals(atob(longa), longb);
assert_equals(btoa(""), "");
assert_equals(btoa("a"), "YQ==");
assert_equals(btoa("aa"), "YWE=");
assert_equals(btoa("aaa"), "YWFh");
assert_equals(btoa("aaazdxfksljdf"), "YWFhemR4ZmtzbGpkZg==");
assert_equals(btoa(longb), longa);
assert_throws('btoa("őÉéeé")', DOMException);
div.textContent = "Success";
</script>