encode-form-common.js

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// These are defined by the test:

// errors (boolean)

// encoder (function)

// ranges (array)

// separator (string)

// expect (function)

var tests = [];

var cplist = [];

var numTests = null;

var numFrames = 2;

var chunkSize = 400;

var numChunks = null;

var frames = null;

var frames = null;

var forms = null;

var encodedSeparator = encodeURIComponent(separator);

var currentChunkIndex = 0;

var pageCharset = document.querySelector("meta[charset]").getAttribute("charset");

setup(function() {

    // create a simple list of just those code points for which there is an encoding possible

    codepoints = [];

    for (var range of ranges) {

        for (var i = range[0]; i < range[1]; i++) {

            result = encoder(String.fromCodePoint(i));

            var success = !!result;

            if (errors) {

              success = !success;

            if (success) {

                var item = {};

                codepoints.push(item);

                item.cp = i;

                item.expected = expect(result, i);

                item.desc = range[2];

    // convert the information into a simple array of objects that can be easily traversed

    var currentChunk = [];

    var currentTests = [];

    cplist = [currentChunk];

    tests = [currentTests];

    for (i = 0; i < codepoints.length; i++) {

        if (currentChunk.length == chunkSize) {

            currentChunk = [];

            cplist.push(currentChunk);

            currentTests = [];

            tests.push(currentTests);

        var item = {};

        currentChunk.push(item);

        item.cp = codepoints[i].cp;

        item.expected = codepoints[i].expected;

        item.desc = codepoints[i].desc;

        currentTests.push(subsetTest(async_test,

                                     (item.desc ? item.desc + " " : "") +

                                     "U+" +

                                     item.cp.toString(16).toUpperCase() +

                                     " " +

                                     String.fromCodePoint(item.cp) +

                                     " " +

                                     item.expected

));

    numChunks = cplist.length;

    for (var i = 0; i < numFrames; i++) {

        var frame = document.createElement("iframe");

        frame.id = frame.name = "frame-" + i;

        document.body.appendChild(frame);

        var form = document.createElement("form");

        form.id = "form-" + i;

        form.method = "GET";

        form.action = "/common/blank.html";

        form.acceptCharset = pageCharset;

        form.target = frame.id;

        var input = document.createElement("input");

        input.id = input.name = "input-" + i;

        form.appendChild(input);

        document.body.appendChild(form);

    addEventListener("load", function() {

        frames = Array.prototype.slice.call(

            document.getElementsByTagName("iframe")

);

        forms = Array.prototype.slice.call(

            document.getElementsByTagName("form")

);

        inputs = Array.prototype.slice.call(

            document.getElementsByTagName("input")

);

        for (var i = 0; i < Math.min(numFrames, numChunks); i++) {

            runNext(i);

});

});

function runNext(id) {

    var i = currentChunkIndex;

    currentChunkIndex += 1;

    var iframe = frames[id];

    var form = forms[id];

    var input = inputs[id];

    input.value = cplist[i]

        .map(function(x) {

            return String.fromCodePoint(x.cp);

})

        .join(separator);

    form.submit();

    iframe.onload = function() {

        var url = iframe.contentWindow.location;

        var query = url.search;

        var result_string = query.substr(query.indexOf("=") + 1);

        var results = result_string.split(encodedSeparator);

        for (var j = 0; j < cplist[i].length; j++) {

            var t = tests[i][j];

            if (t) {

                t.step(function() {

                    assert_equals(

                        normalizeStr(results[j]),

                        normalizeStr(cplist[i][j].expected)

);

});

                t.done();

        if (currentChunkIndex < numChunks) {

            runNext(id);

};