gecko-dev/netwerk/test/unit/test_bug1218029.js

83 строки
2.9 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
var tests = [
{data: '', chunks: [], status: Cr.NS_OK, consume: [],
dataChunks: ['']},
{data: 'TWO-PARTS', chunks: [4, 5], status: Cr.NS_OK, consume: [4, 5],
dataChunks: ['TWO-', 'PARTS', '']},
{data: 'TWO-PARTS', chunks: [4, 5], status: Cr.NS_OK, consume: [0, 0],
dataChunks: ['TWO-', 'TWO-PARTS', 'TWO-PARTS']},
{data: '3-PARTS', chunks: [1, 1, 5], status: Cr.NS_OK, consume: [0, 2, 5],
dataChunks: ['3', '3-', 'PARTS', '']},
{data: 'ALL-AT-ONCE', chunks: [11], status: Cr.NS_OK, consume: [0],
dataChunks: ['ALL-AT-ONCE', 'ALL-AT-ONCE']},
{data: 'ALL-AT-ONCE', chunks: [11], status: Cr.NS_OK, consume: [11],
dataChunks: ['ALL-AT-ONCE', '']},
{data: 'ERROR', chunks: [1], status: Cr.NS_ERROR_OUT_OF_MEMORY, consume: [0],
dataChunks: ['E', 'E']}
];
/**
* @typedef TestData
* @property {string} data - data for the test.
* @property {Array} chunks - lengths of the chunks that are incrementally sent
* to the loader.
* @property {number} status - final status sent on onStopRequest.
* @property {Array} consume - lengths of consumed data that is reported at
* the onIncrementalData callback.
* @property {Array} dataChunks - data chunks that are reported at the
* onIncrementalData and onStreamComplete callbacks.
*/
function execute_test(test) {
let stream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
stream.data = test.data;
let channel = {
contentLength: -1,
QueryInterface: XPCOMUtils.generateQI([Ci.nsIChannel])
};
let chunkIndex = 0;
let observer = {
onStreamComplete: function(loader, context, status, length, data) {
equal(chunkIndex, test.dataChunks.length - 1);
var expectedChunk = test.dataChunks[chunkIndex];
equal(length, expectedChunk.length);
equal(String.fromCharCode.apply(null, data), expectedChunk);
equal(status, test.status);
},
onIncrementalData: function (loader, context, length, data, consumed) {
ok(chunkIndex < test.dataChunks.length - 1);
var expectedChunk = test.dataChunks[chunkIndex];
equal(length, expectedChunk.length);
equal(String.fromCharCode.apply(null, data), expectedChunk);
consumed.value = test.consume[chunkIndex];
chunkIndex++;
},
QueryInterface:
XPCOMUtils.generateQI([Ci.nsIIncrementalStreamLoaderObserver])
};
let listener = Cc["@mozilla.org/network/incremental-stream-loader;1"]
.createInstance(Ci.nsIIncrementalStreamLoader);
listener.init(observer);
listener.onStartRequest(channel, null);
var offset = 0;
test.chunks.forEach(function (chunkLength) {
listener.onDataAvailable(channel, null, stream, offset, chunkLength);
offset += chunkLength;
});
listener.onStopRequest(channel, null, test.status);
}
function run_test() {
tests.forEach(execute_test);
}