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-rw-r--r--modules/libjar/zipwriter/test/unit/test_bug425768.js31
1 files changed, 31 insertions, 0 deletions
diff --git a/modules/libjar/zipwriter/test/unit/test_bug425768.js b/modules/libjar/zipwriter/test/unit/test_bug425768.js
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+++ b/modules/libjar/zipwriter/test/unit/test_bug425768.js
@@ -0,0 +1,31 @@
+/* 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 DIRNAME = "test/";
+const time = Date.now();
+
+function run_test()
+{
+ // Copy in the test file.
+ var source = do_get_file("data/test.zip");
+ source.copyTo(tmpFile.parent, tmpFile.leafName);
+
+ // Open it and add something so the CDS is rewritten.
+ zipW.open(tmpFile, PR_RDWR | PR_APPEND);
+ zipW.addEntryDirectory(DIRNAME, time * PR_USEC_PER_MSEC, false);
+ do_check_true(zipW.hasEntry(DIRNAME));
+ zipW.close();
+
+ var zipR = new ZipReader(tmpFile);
+ do_check_true(zipR.hasEntry(DIRNAME));
+ zipR.close();
+
+ // Adding the directory would have added a fixed amount to the file size.
+ // Any difference suggests the CDS was written out incorrectly.
+ var extra = ZIP_FILE_HEADER_SIZE + ZIP_CDS_HEADER_SIZE +
+ (DIRNAME.length * 2) + (ZIP_EXTENDED_TIMESTAMP_SIZE * 2);
+
+ do_check_eq(source.fileSize + extra, tmpFile.fileSize);
+}