dom/bindings/test/test_throwing_method_noDCE.html@129ffea94266
dom/bindings/test/test_throwing_method_noDCE.html
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 <!DOCTYPE html>
2 <meta charset=utf-8>
3 <title>Test that we don't DCE functions that can throw</title>
4 <script src="/resources/testharness.js"></script>
5 <script src="/resources/testharnessreport.js"></script>
6 <div id="log"></div>
7 <script>
8 test(function() {
9 function test(root) {
10 var threw = false;
11 try {
12 root.querySelectorAll("");
13 } catch(e){ threw = true; };
14 // Hot loop to make sure the JIT heuristics ion-compile this function even
15 // though it's throwing exceptions (which would normally make us back off
16 // of ion compilation).
17 for (var i=0; i<1500; i++) {}
18 return threw;
19 }
21 var threw = false;
22 var el = document.createElement("div");
23 for (var i=0; i<200; i++)
24 threw = test(el);
25 assert_true(threw);
26 }, "Shouldn't optimize away throwing functions");
27 </script>
