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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/test/unit/test_bug654926_test_seek.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/test/unit/test_bug654926_test_seek.js')
-rw-r--r--netwerk/test/unit/test_bug654926_test_seek.js63
1 files changed, 63 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug654926_test_seek.js b/netwerk/test/unit/test_bug654926_test_seek.js
new file mode 100644
index 000000000..2916b0380
--- /dev/null
+++ b/netwerk/test/unit/test_bug654926_test_seek.js
@@ -0,0 +1,63 @@
+function gen_1MiB()
+{
+ var i;
+ var data="x";
+ for (i=0 ; i < 20 ; i++)
+ data+=data;
+ return data;
+}
+
+function write_and_check(str, data, len)
+{
+ var written = str.write(data, len);
+ if (written != len) {
+ do_throw("str.write has not written all data!\n" +
+ " Expected: " + len + "\n" +
+ " Actual: " + written + "\n");
+ }
+}
+
+function write_datafile(status, entry)
+{
+ do_check_eq(status, Cr.NS_OK);
+ var os = entry.openOutputStream(0);
+ var data = gen_1MiB();
+
+ write_and_check(os, data, data.length);
+
+ os.close();
+ entry.close();
+
+ // try to open the entry for appending
+ asyncOpenCacheEntry("http://data/",
+ "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+ open_for_readwrite);
+}
+
+function open_for_readwrite(status, entry)
+{
+ do_check_eq(status, Cr.NS_OK);
+ var os = entry.openOutputStream(entry.dataSize);
+
+ // Opening the entry for appending data calls nsDiskCacheStreamIO::Seek()
+ // which initializes mFD. If no data is written then mBufDirty is false and
+ // mFD won't be closed in nsDiskCacheStreamIO::Flush().
+
+ os.close();
+ entry.close();
+
+ do_test_finished();
+}
+
+function run_test() {
+ do_get_profile();
+
+ // clear the cache
+ evict_cache_entries();
+
+ asyncOpenCacheEntry("http://data/",
+ "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+ write_datafile);
+
+ do_test_pending();
+}