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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_cache2-29c-concurrent_read_half-interrupted.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js b/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js
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+++ b/netwerk/test/unit/test_cache2-29c-concurrent_read_half-interrupted.js
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+/*
+
+Checkes if the concurrent cache read/write works when the write is interrupted because of max-entry-size limits.
+This is enhancement of 29a test, this test checks that cocurrency is resumed when the first channel is interrupted
+in the middle of reading and the second channel already consumed some content from the cache entry.
+This test is using a resumable response.
+- with a profile, set max-entry-size to 1 (=1024 bytes)
+- first channel makes a request for a resumable response
+- second channel makes a request for the same resource, concurrent read happens
+- first channel sets predicted data size on the entry with every chunk, it's doomed on 1024
+- second channel now must engage interrupted concurrent write algorithm and read the rest of the content from the network
+- both channels must deliver full content w/o errors
+
+*/
+
+Cu.import("resource://testing-common/httpd.js");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/NetUtil.jsm");
+
+
+XPCOMUtils.defineLazyGetter(this, "URL", function() {
+ return "http://localhost:" + httpServer.identity.primaryPort;
+});
+
+var httpServer = null;
+
+function make_channel(url, callback, ctx) {
+ return NetUtil.newChannel({uri: url, loadUsingSystemPrincipal: true});
+}
+
+// need something bigger than 1024 bytes
+const responseBody =
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef" +
+ "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef";
+
+function contentHandler(metadata, response)
+{
+ response.setHeader("Content-Type", "text/plain");
+ response.setHeader("ETag", "Just testing");
+ response.setHeader("Cache-Control", "max-age=99999");
+ response.setHeader("Accept-Ranges", "bytes");
+ response.setHeader("Content-Length", "" + responseBody.length);
+ if (metadata.hasHeader("If-Range")) {
+ response.setStatusLine(metadata.httpVersion, 206, "Partial Content");
+
+ let len = responseBody.length;
+ response.setHeader("Content-Range", "0-" + (len - 1) + "/" + len);
+ }
+ response.bodyOutputStream.write(responseBody, responseBody.length);
+}
+
+function run_test()
+{
+ // Static check
+ do_check_true(responseBody.length > 1024);
+
+ do_get_profile();
+
+ Services.prefs.setIntPref("browser.cache.disk.max_entry_size", 1);
+
+ httpServer = new HttpServer();
+ httpServer.registerPathHandler("/content", contentHandler);
+ httpServer.start(-1);
+
+ var chan1 = make_channel(URL + "/content");
+ chan1.asyncOpen2(new ChannelListener(firstTimeThrough, null));
+ var chan2 = make_channel(URL + "/content");
+ chan2.asyncOpen2(new ChannelListener(secondTimeThrough, null));
+
+ do_test_pending();
+}
+
+function firstTimeThrough(request, buffer)
+{
+ do_check_eq(buffer, responseBody);
+}
+
+function secondTimeThrough(request, buffer)
+{
+ do_check_eq(buffer, responseBody);
+ httpServer.stop(do_test_finished);
+}