1 files changed, 107 insertions, 0 deletions
diff --git a/modules/libjar/zipwriter/test/unit/test_bug399727.js b/modules/libjar/zipwriter/test/unit/test_bug399727.js
new file mode 100644
index 0000000000..2967f69737
--- /dev/null
+++ b/modules/libjar/zipwriter/test/unit/test_bug399727.js
@@ -0,0 +1,107 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+function BinaryComparer(file, callback) {
+  var fstream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(
+    Ci.nsIFileInputStream
+  );
+  fstream.init(file, -1, 0, 0);
+  this.length = file.fileSize;
+  this.fileStream = Cc["@mozilla.org/binaryinputstream;1"].createInstance(
+    Ci.nsIBinaryInputStream
+  );
+  this.fileStream.setInputStream(fstream);
+  this.offset = 0;
+  this.callback = callback;
+}
+
+BinaryComparer.prototype = {
+  fileStream: null,
+  offset: null,
+  length: null,
+  callback: null,
+
+  onStartRequest(aRequest) {},
+
+  onStopRequest(aRequest, aStatusCode) {
+    this.fileStream.close();
+    Assert.equal(aStatusCode, Cr.NS_OK);
+    Assert.equal(this.offset, this.length);
+    this.callback();
+  },
+
+  onDataAvailable(aRequest, aInputStream, aOffset, aCount) {
+    var stream = Cc["@mozilla.org/binaryinputstream;1"].createInstance(
+      Ci.nsIBinaryInputStream
+    );
+    stream.setInputStream(aInputStream);
+    var source, actual;
+    for (var i = 0; i < aCount; i++) {
+      try {
+        source = this.fileStream.read8();
+      } catch (e) {
+        do_throw("Unable to read from file at offset " + this.offset + " " + e);
+      }
+      try {
+        actual = stream.read8();
+      } catch (e) {
+        do_throw(
+          "Unable to read from converted stream at offset " +
+            this.offset +
+            " " +
+            e
+        );
+      }
+      if (source != actual) {
+        do_throw(
+          "Invalid value " +
+            actual +
+            " at offset " +
+            this.offset +
+            ", should have been " +
+            source
+        );
+      }
+      this.offset++;
+    }
+  },
+};
+
+function comparer_callback() {
+  do_test_finished();
+}
+
+function run_test() {
+  var source = do_get_file(DATA_DIR + "test_bug399727.html");
+  var comparer = new BinaryComparer(
+    do_get_file(DATA_DIR + "test_bug399727.zlib"),
+    comparer_callback
+  );
+
+  // Prepare the stream converter
+  var scs = Cc["@mozilla.org/streamConverters;1"].getService(
+    Ci.nsIStreamConverterService
+  );
+  var converter = scs.asyncConvertData(
+    "uncompressed",
+    "deflate",
+    comparer,
+    null
+  );
+
+  // Open the expected output file
+  var fstream = Cc["@mozilla.org/network/file-input-stream;1"].createInstance(
+    Ci.nsIFileInputStream
+  );
+  fstream.init(source, -1, 0, 0);
+
+  // Set up a pump to push data from the file to the stream converter
+  var pump = Cc["@mozilla.org/network/input-stream-pump;1"].createInstance(
+    Ci.nsIInputStreamPump
+  );
+  pump.init(fstream, 0, 0, true);
+  pump.asyncRead(converter);
+  do_test_pending();
+}