intl/uconv/tests/unit/test_bug321379.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35

// Tests that calling close on a converter in/output stream doesn't crash
// (bug 321379)

function run_test() {
  var StorageStream = Components.Constructor(
    "@mozilla.org/storagestream;1",
    "nsIStorageStream",
    "init"
  );
  var ConverterInputStream = Components.Constructor(
    "@mozilla.org/intl/converter-input-stream;1",
    "nsIConverterInputStream",
    "init"
  );
  var ConverterOutputStream = Components.Constructor(
    "@mozilla.org/intl/converter-output-stream;1",
    "nsIConverterOutputStream",
    "init"
  );

  var storage = new StorageStream(1024, -1, null);

  // Output
  var outStr = storage.getOutputStream(0);
  var out = new ConverterOutputStream(outStr, "UTF-8");
  out.writeString("Foo.");
  out.close();
  out.close(); // This line should not crash. It should just do nothing.

  // Input
  var inStr = storage.newInputStream(0);
  var inp = new ConverterInputStream(inStr, "UTF-8", 1024, 0xfffd);
  inp.close();
  inp.close(); // This line should not crash. It should just do nothing.
}