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