1 files changed, 77 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_bug654926_doom_and_read.js b/netwerk/test/unit/test_bug654926_doom_and_read.js
new file mode 100644
index 000000000..74c9f66c0
--- /dev/null
+++ b/netwerk/test/unit/test_bug654926_doom_and_read.js
@@ -0,0 +1,77 @@
+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 make_input_stream_scriptable(input) {
+  var wrapper = Cc["@mozilla.org/scriptableinputstream;1"].
+                createInstance(Ci.nsIScriptableInputStream);
+  wrapper.init(input);
+  return wrapper;
+}
+
+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();
+
+  // open, doom, append, read
+  asyncOpenCacheEntry("http://data/",
+                      "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+                      test_read_after_doom);
+
+}
+
+function test_read_after_doom(status, entry)
+{
+  do_check_eq(status, Cr.NS_OK);
+  var os = entry.openOutputStream(entry.dataSize);
+  var data = gen_1MiB();
+
+  entry.asyncDoom(null);
+  write_and_check(os, data, data.length);
+
+  os.close();
+
+  var is = entry.openInputStream(0);
+  pumpReadStream(is, function(read) {
+    do_check_eq(read.length, 2*1024*1024);
+    is.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();
+}