81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
//
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// Test that data can be appended to a cache entry even when the data is
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// compressed by the cache compression feature - bug 648429.
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//
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function write_and_check(str, data, len)
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{
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var written = str.write(data, len);
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if (written != len) {
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do_throw("str.write has not written all data!\n" +
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" Expected: " + len + "\n" +
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" Actual: " + written + "\n");
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}
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}
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function TestAppend(compress, callback)
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{
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this._compress = compress;
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this._callback = callback;
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this.run();
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}
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TestAppend.prototype = {
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_compress: false,
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_callback: null,
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run: function() {
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evict_cache_entries();
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asyncOpenCacheEntry("http://data/",
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"disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
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this.writeData.bind(this));
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},
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writeData: function(status, entry) {
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do_check_eq(status, Cr.NS_OK);
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if (this._compress)
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entry.setMetaDataElement("uncompressed-len", "0");
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var os = entry.openOutputStream(0);
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write_and_check(os, "12345", 5);
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os.close();
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entry.close();
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asyncOpenCacheEntry("http://data/",
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"disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
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this.appendData.bind(this));
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},
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appendData: function(status, entry) {
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do_check_eq(status, Cr.NS_OK);
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var os = entry.openOutputStream(entry.storageDataSize);
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write_and_check(os, "abcde", 5);
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os.close();
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entry.close();
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asyncOpenCacheEntry("http://data/",
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"disk", Ci.nsICacheStorage.OPEN_READONLY, null,
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this.checkData.bind(this));
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},
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checkData: function(status, entry) {
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do_check_eq(status, Cr.NS_OK);
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var self = this;
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pumpReadStream(entry.openInputStream(0), function(str) {
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do_check_eq(str.length, 10);
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do_check_eq(str, "12345abcde");
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entry.close();
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do_execute_soon(self._callback);
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});
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}
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};
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function run_test() {
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do_get_profile();
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new TestAppend(false, run_test2);
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do_test_pending();
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}
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function run_test2() {
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new TestAppend(true, do_test_finished);
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}
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