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-rw-r--r--netwerk/test/unit/test_resumable_truncate.js93
1 files changed, 93 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_resumable_truncate.js b/netwerk/test/unit/test_resumable_truncate.js
new file mode 100644
index 0000000000..72785a5b4b
--- /dev/null
+++ b/netwerk/test/unit/test_resumable_truncate.js
@@ -0,0 +1,93 @@
+"use strict";
+
+const { HttpServer } = ChromeUtils.import("resource://testing-common/httpd.js");
+
+var httpserver = null;
+
+function make_channel(url, callback, ctx) {
+ return NetUtil.newChannel({ uri: url, loadUsingSystemPrincipal: true });
+}
+
+const responseBody = "response body";
+
+function cachedHandler(metadata, response) {
+ var body = responseBody;
+ if (metadata.hasHeader("Range")) {
+ var matches = metadata
+ .getHeader("Range")
+ .match(/^\s*bytes=(\d+)?-(\d+)?\s*$/);
+ var from = matches[1] === undefined ? 0 : matches[1];
+ var to = matches[2] === undefined ? responseBody.length - 1 : matches[2];
+ if (from >= responseBody.length) {
+ response.setStatusLine(metadata.httpVersion, 416, "Start pos too high");
+ response.setHeader("Content-Range", "*/" + responseBody.length, false);
+ return;
+ }
+ body = responseBody.slice(from, to + 1);
+ // always respond to successful range requests with 206
+ response.setStatusLine(metadata.httpVersion, 206, "Partial Content");
+ response.setHeader(
+ "Content-Range",
+ from + "-" + to + "/" + responseBody.length,
+ false
+ );
+ }
+
+ response.setHeader("Content-Type", "text/plain", false);
+ response.setHeader("ETag", "Just testing");
+ response.setHeader("Accept-Ranges", "bytes");
+
+ response.bodyOutputStream.write(body, body.length);
+}
+
+function Canceler(continueFn) {
+ this.continueFn = continueFn;
+}
+
+Canceler.prototype = {
+ QueryInterface: ChromeUtils.generateQI([
+ "nsIStreamListener",
+ "nsIRequestObserver",
+ ]),
+
+ onStartRequest(request) {},
+
+ onDataAvailable(request, stream, offset, count) {
+ request.QueryInterface(Ci.nsIChannel).cancel(Cr.NS_BINDING_ABORTED);
+ },
+
+ onStopRequest(request, status) {
+ Assert.equal(status, Cr.NS_BINDING_ABORTED);
+ this.continueFn();
+ },
+};
+
+function finish_test() {
+ httpserver.stop(do_test_finished);
+}
+
+function start_cache_read() {
+ var chan = make_channel(
+ "http://localhost:" + httpserver.identity.primaryPort + "/cached/test.gz"
+ );
+ chan.asyncOpen(new ChannelListener(finish_test, null));
+}
+
+function start_canceler() {
+ var chan = make_channel(
+ "http://localhost:" + httpserver.identity.primaryPort + "/cached/test.gz"
+ );
+ chan.asyncOpen(new Canceler(start_cache_read));
+}
+
+function run_test() {
+ httpserver = new HttpServer();
+ httpserver.registerPathHandler("/cached/test.gz", cachedHandler);
+ httpserver.start(-1);
+
+ var chan = make_channel(
+ "http://localhost:" + httpserver.identity.primaryPort + "/cached/test.gz"
+ );
+ chan.asyncOpen(new ChannelListener(start_canceler, null));
+ do_test_pending();
+}