1 files changed, 62 insertions, 0 deletions
diff --git a/modules/libjar/zipwriter/test/unit/test_bug419769_2.js b/modules/libjar/zipwriter/test/unit/test_bug419769_2.js
new file mode 100644
index 0000000000..9841f52d2e
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+++ b/modules/libjar/zipwriter/test/unit/test_bug419769_2.js
@@ -0,0 +1,62 @@
+/* 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/.
+ */
+
+const DATA = "";
+const FILENAME = "test.txt";
+const CRC = 0x00000000;
+
+function testpass(source) {
+  // Should exist.
+  Assert.ok(source.hasEntry(FILENAME));
+
+  var entry = source.getEntry(FILENAME);
+  Assert.notEqual(entry, null);
+
+  Assert.ok(!entry.isDirectory);
+
+  // Should be stored
+  Assert.equal(entry.compression, ZIP_METHOD_DEFLATE);
+
+  // File size should match our data size.
+  Assert.equal(entry.realSize, DATA.length);
+
+  // Check that the CRC is accurate
+  Assert.equal(entry.CRC32, CRC);
+}
+
+function run_test() {
+  zipW.open(tmpFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
+
+  // Shouldn't be there to start with.
+  Assert.ok(!zipW.hasEntry(FILENAME));
+
+  Assert.ok(!zipW.inQueue);
+
+  var file = do_get_file(DATA_DIR + "emptyfile.txt");
+  zipW.addEntryFile(FILENAME, Ci.nsIZipWriter.COMPRESSION_BEST, file, false);
+
+  // Check that zip state is right at this stage.
+  testpass(zipW);
+  zipW.close();
+
+  // Check to see if we get the same results loading afresh.
+  zipW.open(tmpFile, PR_RDWR);
+  testpass(zipW);
+  zipW.close();
+
+  // Test the stored data with the zipreader
+  var zipR = new ZipReader(tmpFile);
+  testpass(zipR);
+  zipR.test(FILENAME);
+  var stream = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(
+    Ci.nsIScriptableInputStream
+  );
+  stream.init(zipR.getInputStream(FILENAME));
+  var result = stream.read(DATA.length);
+  stream.close();
+  zipR.close();
+
+  Assert.equal(result, DATA);
+}