From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../test/unit/test_cache2-25-chunk-memory-limit.js | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 netwerk/test/unit/test_cache2-25-chunk-memory-limit.js (limited to 'netwerk/test/unit/test_cache2-25-chunk-memory-limit.js') diff --git a/netwerk/test/unit/test_cache2-25-chunk-memory-limit.js b/netwerk/test/unit/test_cache2-25-chunk-memory-limit.js new file mode 100644 index 000000000..0999dc8d2 --- /dev/null +++ b/netwerk/test/unit/test_cache2-25-chunk-memory-limit.js @@ -0,0 +1,51 @@ +Components.utils.import('resource://gre/modules/LoadContextInfo.jsm'); + +function gen_200k() +{ + var i; + var data="0123456789ABCDEFGHIJLKMNO"; + for (i=0; i<13; i++) + data+=data; + return data; +} + +// Keep the output stream of the first entry in a global variable, so the +// CacheFile and its buffer isn't released before we write the data to the +// second entry. +var oStr; + +function run_test() +{ + do_get_profile(); + + if (!newCacheBackEndUsed()) { + do_check_true(true, "This test doesn't run when the old cache back end is used since the behavior is different"); + return; + } + + var prefBranch = Cc["@mozilla.org/preferences-service;1"]. + getService(Ci.nsIPrefBranch); + + // set max chunks memory so that only one full chunk fits within the limit + prefBranch.setIntPref("browser.cache.disk.max_chunks_memory_usage", 300); + + asyncOpenCacheEntry("http://a/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null, + function(status, entry) { + do_check_eq(status, Cr.NS_OK); + oStr = entry.openOutputStream(0); + var data = gen_200k(); + do_check_eq(data.length, oStr.write(data, data.length)); + + asyncOpenCacheEntry("http://b/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null, + function(status, entry) { + do_check_eq(status, Cr.NS_OK); + var oStr2 = entry.openOutputStream(0); + do_check_throws_nsIException(() => oStr2.write(data, data.length), 'NS_ERROR_OUT_OF_MEMORY'); + finish_cache2_test(); + } + ); + } + ); + + do_test_pending(); +} -- cgit v1.2.3