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test: app atob web platform tests · nodejs/node@5c60087 · GitHub

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test: app atob web platform tests
Signed-off-by: James M Snell <jasnell@gmail.com> PR-URL: #37529 Fixes: #3462 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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‎test/fixtures/wpt/README.md‎

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- url: https://github.com/web-platform-tests/wpt/tree/418f7fabeb/url
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- resources: https://github.com/web-platform-tests/wpt/tree/e1fddfbf80/resources
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- interfaces: https://github.com/web-platform-tests/wpt/tree/8ada332aea/interfaces
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- html/webappapis/atob: https://github.com/web-platform-tests/wpt/tree/f267e1dca6/html/webappapis/atob
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- html/webappapis/microtask-queuing: https://github.com/web-platform-tests/wpt/tree/0c3bed38df/html/webappapis/microtask-queuing
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- html/webappapis/timers: https://github.com/web-platform-tests/wpt/tree/ddfe9c089b/html/webappapis/timers
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- hr-time: https://github.com/web-platform-tests/wpt/tree/a5d1774ecf/hr-time

‎test/fixtures/wpt/html/webappapis/atob/base64.any.js‎

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/**
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* btoa() as defined by the HTML5 spec, which mostly just references RFC4648.
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*/
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function mybtoa(s) {
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// String conversion as required by WebIDL.
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s = String(s);
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// "The btoa() method must throw an INVALID_CHARACTER_ERR exception if the
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// method's first argument contains any character whose code point is
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// greater than U+00FF."
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for (var i = 0; i < s.length; i++) {
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if (s.charCodeAt(i) > 255) {
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return "INVALID_CHARACTER_ERR";
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}
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}
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var out = "";
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for (var i = 0; i < s.length; i += 3) {
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var groupsOfSix = [undefined, undefined, undefined, undefined];
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groupsOfSix[0] = s.charCodeAt(i) >> 2;
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groupsOfSix[1] = (s.charCodeAt(i) & 0x03) << 4;
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if (s.length > i + 1) {
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groupsOfSix[1] |= s.charCodeAt(i + 1) >> 4;
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groupsOfSix[2] = (s.charCodeAt(i + 1) & 0x0f) << 2;
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}
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if (s.length > i + 2) {
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groupsOfSix[2] |= s.charCodeAt(i + 2) >> 6;
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groupsOfSix[3] = s.charCodeAt(i + 2) & 0x3f;
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}
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for (var j = 0; j < groupsOfSix.length; j++) {
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if (typeof groupsOfSix[j] == "undefined") {
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out += "=";
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} else {
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out += btoaLookup(groupsOfSix[j]);
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}
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}
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}
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return out;
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}
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/**
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* Lookup table for mybtoa(), which converts a six-bit number into the
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* corresponding ASCII character.
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*/
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function btoaLookup(idx) {
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if (idx < 26) {
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return String.fromCharCode(idx + 'A'.charCodeAt(0));
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}
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if (idx < 52) {
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return String.fromCharCode(idx - 26 + 'a'.charCodeAt(0));
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}
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if (idx < 62) {
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return String.fromCharCode(idx - 52 + '0'.charCodeAt(0));
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}
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if (idx == 62) {
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return '+';
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}
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if (idx == 63) {
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return '/';
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}
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// Throw INVALID_CHARACTER_ERR exception here -- won't be hit in the tests.
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}
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function btoaException(input) {
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input = String(input);
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for (var i = 0; i < input.length; i++) {
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if (input.charCodeAt(i) > 255) {
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return true;
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}
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}
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return false;
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}
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function testBtoa(input) {
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// "The btoa() method must throw an INVALID_CHARACTER_ERR exception if the
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// method's first argument contains any character whose code point is
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// greater than U+00FF."
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var normalizedInput = String(input);
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for (var i = 0; i < normalizedInput.length; i++) {
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if (normalizedInput.charCodeAt(i) > 255) {
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assert_throws_dom("InvalidCharacterError", function() { btoa(input); },
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"Code unit " + i + " has value " + normalizedInput.charCodeAt(i) + ", which is greater than 255");
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return;
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}
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}
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assert_equals(btoa(input), mybtoa(input));
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assert_equals(atob(btoa(input)), String(input), "atob(btoa(input)) must be the same as String(input)");
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}
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var tests = ["עברית", "", "ab", "abc", "abcd", "abcde",
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// This one is thrown in because IE9 seems to fail atob(btoa()) on it. Or
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// possibly to fail btoa(). I actually can't tell what's happening here,
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// but it doesn't hurt.
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"\xff\xff\xc0",
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// Is your DOM implementation binary-safe?
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"\0a", "a\0b",
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// WebIDL tests.
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undefined, null, 7, 12, 1.5, true, false, NaN, +Infinity, -Infinity, 0, -0,
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{toString: function() { return "foo" }},
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];
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for (var i = 0; i < 258; i++) {
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tests.push(String.fromCharCode(i));
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}
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tests.push(String.fromCharCode(10000));
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tests.push(String.fromCharCode(65534));
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tests.push(String.fromCharCode(65535));
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// This is supposed to be U+10000.
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tests.push(String.fromCharCode(0xd800, 0xdc00));
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tests = tests.map(
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function(elem) {
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var expected = mybtoa(elem);
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if (expected === "INVALID_CHARACTER_ERR") {
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return ["btoa(" + format_value(elem) + ") must raise INVALID_CHARACTER_ERR", elem];
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}
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return ["btoa(" + format_value(elem) + ") == " + format_value(mybtoa(elem)), elem];
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}
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);
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var everything = "";
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for (var i = 0; i < 256; i++) {
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everything += String.fromCharCode(i);
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}
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tests.push(["btoa(first 256 code points concatenated)", everything]);
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generate_tests(testBtoa, tests);
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promise_test(() => fetch("../../../fetch/data-urls/resources/base64.json").then(res => res.json()).then(runAtobTests), "atob() setup.");
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const idlTests = [
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[undefined, null],
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[null, [158, 233, 101]],
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[7, null],
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[12, [215]],
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[1.5, null],
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[true, [182, 187]],
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[false, null],
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[NaN, [53, 163]],
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[+Infinity, [34, 119, 226, 158, 43, 114]],
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[-Infinity, null],
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[0, null],
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[-0, null],
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[{toString: function() { return "foo" }}, [126, 138]],
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[{toString: function() { return "abcd" }}, [105, 183, 29]]
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];
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function runAtobTests(tests) {
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const allTests = tests.concat(idlTests);
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for(let i = 0; i < allTests.length; i++) {
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const input = allTests[i][0],
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output = allTests[i][1];
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test(() => {
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if(output === null) {
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assert_throws_dom("InvalidCharacterError", () => globalThis.atob(input));
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} else {
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const result = globalThis.atob(input);
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for(let ii = 0; ii < output.length; ii++) {
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assert_equals(result.charCodeAt(ii), output[ii]);
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}
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}
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}, "atob(" + format_value(input) + ")");
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}
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}

‎test/fixtures/wpt/versions.json‎

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"commit": "8ada332aeac03764f73ec7ff66f682c5c0b454b4",
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"path": "interfaces"
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},
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"html/webappapis/atob": {
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"commit": "f267e1dca6f57a9f4d69f32a6920adfdb3268656",
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"path": "html/webappapis/atob"
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},
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"html/webappapis/microtask-queuing": {
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"commit": "0c3bed38df6d9dcd1441873728fb5c1bb59c92df",
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"path": "html/webappapis/microtask-queuing"

‎test/wpt/status/html/webappapis/atob.json‎

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{
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"base64.any.js": {
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"fail": "promise_test: Unhandled rejection with value: object \"Error: ENOENT: no such file or directory, open '/root/node/node/fetch/data-urls/resources/base64.json'\""
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}
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}

‎test/wpt/test-atob.js‎

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'use strict';
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require('../common');
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const { WPTRunner } = require('../common/wpt');
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const runner = new WPTRunner('html/webappapis/atob');
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// Needed to access to DOMException.
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runner.setFlags(['--expose-internals']);
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// Set a script that will be executed in the worker before running the tests.
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runner.setInitScript(`
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const { internalBinding } = require('internal/test/binding');
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const { atob, btoa } = require('buffer');
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const { DOMException } = internalBinding('messaging');
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global.DOMException = DOMException;
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`);
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runner.runJsTests();

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