michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: Components.utils.import("resource://gre/modules/osfile.jsm");
michael@0: 
michael@0: function run_test() {
michael@0:   do_test_pending();
michael@0:   run_next_test();
michael@0: }
michael@0: 
michael@0: add_task(function test_compress_lz4() {
michael@0:   let path = OS.Path.join(OS.Constants.Path.tmpDir, "compression.lz");
michael@0:   let array = new Uint8Array(1024);
michael@0:   for (let i = 0; i < array.byteLength; ++i) {
michael@0:     array[i] = i;
michael@0:   }
michael@0: 
michael@0:   do_print("Writing data with lz4 compression");
michael@0:   let bytes = yield OS.File.writeAtomic(path, array, { compression: "lz4" });
michael@0:   do_print("Compressed " + array.byteLength + " bytes into " + bytes);
michael@0: 
michael@0:   do_print("Reading back with lz4 decompression");
michael@0:   let decompressed = yield OS.File.read(path, { compression: "lz4" });
michael@0:   do_print("Decompressed into " + decompressed.byteLength + " bytes");
michael@0:   do_check_eq(Array.prototype.join.call(array), Array.prototype.join.call(decompressed));
michael@0: });
michael@0: 
michael@0: add_task(function test_uncompressed() {
michael@0:   do_print("Writing data without compression");
michael@0:   let path = OS.Path.join(OS.Constants.Path.tmpDir, "no_compression.tmp");
michael@0:   let array = new Uint8Array(1024);
michael@0:   for (let i = 0; i < array.byteLength; ++i) {
michael@0:     array[i] = i;
michael@0:   }
michael@0:   let bytes = yield OS.File.writeAtomic(path, array); // No compression
michael@0: 
michael@0:   let exn;
michael@0:   // Force decompression, reading should fail
michael@0:   try {
michael@0:     yield OS.File.read(path, { compression: "lz4" });
michael@0:   } catch (ex) {
michael@0:     exn = ex;
michael@0:   }
michael@0:   do_check_true(!!exn);
michael@0:   do_check_true(exn.message.indexOf("Invalid header") != -1);
michael@0: });
michael@0: 
michael@0: add_task(function() {
michael@0:   do_test_finished();
michael@0: });