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-rw-r--r--modules/libjar/zipwriter/test/unit/test_zipcomment.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/modules/libjar/zipwriter/test/unit/test_zipcomment.js b/modules/libjar/zipwriter/test/unit/test_zipcomment.js
new file mode 100644
index 000000000..0bc111c6c
--- /dev/null
+++ b/modules/libjar/zipwriter/test/unit/test_zipcomment.js
@@ -0,0 +1,34 @@
+/* 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 = "ZIP WRITER TEST COMMENT";
+const DATA2 = "ANOTHER ONE";
+
+function run_test()
+{
+ zipW.open(tmpFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
+ zipW.comment = DATA;
+ zipW.close();
+
+ // Should have created a zip file
+ do_check_true(tmpFile.exists());
+
+ // Empty zip file should just be the end of central directory marker
+ // and comment
+ do_check_eq(tmpFile.fileSize, ZIP_EOCDR_HEADER_SIZE + DATA.length);
+
+ zipW.open(tmpFile, PR_RDWR);
+ // Should have the set comment
+ do_check_eq(zipW.comment, DATA);
+ zipW.comment = DATA2;
+ zipW.close();
+
+ // Certain platforms cache the file size so get a fresh file to check.
+ tmpFile = tmpFile.clone();
+
+ // Empty zip file should just be the end of central directory marker
+ // and comment. This should now be shorter
+ do_check_eq(tmpFile.fileSize, ZIP_EOCDR_HEADER_SIZE + DATA2.length);
+}