js/src/jit-test/tests/basic/shell-principals.js@6474c204b198 (annotated)
js/src/jit-test/tests/basic/shell-principals.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Test the JS shell's toy principals. |
| michael@0 | 2 | |
| michael@0 | 3 | var count = 0; |
| michael@0 | 4 | |
| michael@0 | 5 | // Given a string of letters |expected|, say "abc", assert that the stack |
| michael@0 | 6 | // contains calls to a series of functions named by the next letter from |
| michael@0 | 7 | // the string, say a, b, and then c. Younger frames appear earlier in |
| michael@0 | 8 | // |expected| than older frames. |
| michael@0 | 9 | function check(expected, stack) { |
| michael@0 | 10 | print("check(" + uneval(expected) + ") against:\n" + stack); |
| michael@0 | 11 | count++; |
| michael@0 | 12 | |
| michael@0 | 13 | // Extract only the function names from the stack trace. Omit the frames |
| michael@0 | 14 | // for the top-level evaluation, if it is present. |
| michael@0 | 15 | var split = stack.split(/(.)?@.*\n/).slice(0, -1); |
| michael@0 | 16 | if (split[split.length - 1] === undefined) |
| michael@0 | 17 | split = split.slice(0, -2); |
| michael@0 | 18 | |
| michael@0 | 19 | // Check the function names against the expected sequence. |
| michael@0 | 20 | assertEq(split.length, expected.length * 2); |
| michael@0 | 21 | for (var i = 0; i < expected.length; i++) |
| michael@0 | 22 | assertEq(split[i * 2 + 1], expected[i]); |
| michael@0 | 23 | } |
| michael@0 | 24 | |
| michael@0 | 25 | var low = newGlobal({ principal: 0 }); |
| michael@0 | 26 | var mid = newGlobal({ principal: 0xffff }); |
| michael@0 | 27 | var high = newGlobal({ principal: 0xfffff }); |
| michael@0 | 28 | |
| michael@0 | 29 | eval('function a() { check("a", Error().stack); b(); }'); |
| michael@0 | 30 | low .eval('function b() { check("b", Error().stack); c(); }'); |
| michael@0 | 31 | mid .eval('function c() { check("cba", Error().stack); d(); }'); |
| michael@0 | 32 | high.eval('function d() { check("dcba", Error().stack); e(); }'); |
| michael@0 | 33 | eval('function e() { check("edcba", Error().stack); f(); }'); // no principal, so checks skipped |
| michael@0 | 34 | low .eval('function f() { check("fb", Error().stack); g(); }'); |
| michael@0 | 35 | mid .eval('function g() { check("gfecba", Error().stack); h(); }'); |
| michael@0 | 36 | high.eval('function h() { check("hgfedcba", Error().stack); }'); |
| michael@0 | 37 | |
| michael@0 | 38 | // Make everyone's functions visible to each other, as needed. |
| michael@0 | 39 | b = low .b; |
| michael@0 | 40 | low .c = mid .c; |
| michael@0 | 41 | mid .d = high.d; |
| michael@0 | 42 | high.e = e; |
| michael@0 | 43 | f = low .f; |
| michael@0 | 44 | low .g = mid .g; |
| michael@0 | 45 | mid .h = high.h; |
| michael@0 | 46 | |
| michael@0 | 47 | low.check = mid.check = high.check = check; |
| michael@0 | 48 | |
| michael@0 | 49 | // Kick the whole process off. |
| michael@0 | 50 | a(); |
| michael@0 | 51 | |
| michael@0 | 52 | assertEq(count, 8); |
