1 files changed, 136 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_reopen.js b/netwerk/test/unit/test_reopen.js
new file mode 100644
index 0000000000..6bae0e71cf
--- /dev/null
+++ b/netwerk/test/unit/test_reopen.js
@@ -0,0 +1,136 @@
+// This testcase verifies that channels can't be reopened
+// See https://bugzilla.mozilla.org/show_bug.cgi?id=372486
+
+"use strict";
+
+const { HttpServer } = ChromeUtils.importESModule(
+  "resource://testing-common/httpd.sys.mjs"
+);
+
+const BinaryInputStream = Components.Constructor(
+  "@mozilla.org/binaryinputstream;1",
+  "nsIBinaryInputStream",
+  "setInputStream"
+);
+
+const NS_ERROR_IN_PROGRESS = 0x804b000f;
+const NS_ERROR_ALREADY_OPENED = 0x804b0049;
+
+var chan = null;
+var httpserv = null;
+
+[test_data_channel, test_http_channel, test_file_channel, end].forEach(f =>
+  add_test(f)
+);
+
+// Utility functions
+
+function makeChan(url) {
+  return (chan = NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  }).QueryInterface(Ci.nsIChannel));
+}
+
+function new_file_channel(file) {
+  return NetUtil.newChannel({
+    uri: Services.io.newFileURI(file),
+    loadUsingSystemPrincipal: true,
+  });
+}
+
+function check_throws(closure, error) {
+  var thrown = false;
+  try {
+    closure();
+  } catch (e) {
+    if (error instanceof Array) {
+      Assert.notEqual(error.indexOf(e.result), -1);
+    } else {
+      Assert.equal(e.result, error);
+    }
+    thrown = true;
+  }
+  Assert.ok(thrown);
+}
+
+function check_open_throws(error) {
+  check_throws(function () {
+    chan.open(listener);
+  }, error);
+}
+
+function check_async_open_throws(error) {
+  check_throws(function () {
+    chan.asyncOpen(listener);
+  }, error);
+}
+
+var listener = {
+  onStartRequest: function test_onStartR(request) {
+    check_async_open_throws(NS_ERROR_IN_PROGRESS);
+  },
+
+  onDataAvailable: function test_ODA(request, inputStream, offset, count) {
+    new BinaryInputStream(inputStream).readByteArray(count); // required by API
+    check_async_open_throws(NS_ERROR_IN_PROGRESS);
+  },
+
+  onStopRequest: function test_onStopR(request, status) {
+    // Once onStopRequest is reached, the channel is marked as having been
+    // opened
+    check_async_open_throws(NS_ERROR_ALREADY_OPENED);
+    do_timeout(0, after_channel_closed);
+  },
+};
+
+function after_channel_closed() {
+  check_async_open_throws(NS_ERROR_ALREADY_OPENED);
+
+  run_next_test();
+}
+
+function test_channel(createChanClosure) {
+  // First, synchronous reopening test
+  chan = createChanClosure();
+  chan.open();
+  check_open_throws(NS_ERROR_IN_PROGRESS);
+  check_async_open_throws([NS_ERROR_IN_PROGRESS, NS_ERROR_ALREADY_OPENED]);
+
+  // Then, asynchronous one
+  chan = createChanClosure();
+  chan.asyncOpen(listener);
+  check_open_throws(NS_ERROR_IN_PROGRESS);
+  check_async_open_throws(NS_ERROR_IN_PROGRESS);
+}
+
+function test_data_channel() {
+  test_channel(function () {
+    return makeChan("data:text/plain,foo");
+  });
+}
+
+function test_http_channel() {
+  test_channel(function () {
+    return makeChan("http://localhost:" + httpserv.identity.primaryPort + "/");
+  });
+}
+
+function test_file_channel() {
+  var file = do_get_file("data/test_readline1.txt");
+  test_channel(function () {
+    return new_file_channel(file);
+  });
+}
+
+function end() {
+  httpserv.stop(do_test_finished);
+}
+
+function run_test() {
+  // start server
+  httpserv = new HttpServer();
+  httpserv.start(-1);
+
+  run_next_test();
+}