The Tor Browser / file comparison
comparison: js/src/jit-test/tests/basic/shell-principals.js
js/src/jit-test/tests/basic/shell-principals.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:cd4e44389dc4 |
|---|---|
| 1 // Test the JS shell's toy principals. | |
| 2 | |
| 3 var count = 0; | |
| 4 | |
| 5 // Given a string of letters |expected|, say "abc", assert that the stack | |
| 6 // contains calls to a series of functions named by the next letter from | |
| 7 // the string, say a, b, and then c. Younger frames appear earlier in | |
| 8 // |expected| than older frames. | |
| 9 function check(expected, stack) { | |
| 10 print("check(" + uneval(expected) + ") against:\n" + stack); | |
| 11 count++; | |
| 12 | |
| 13 // Extract only the function names from the stack trace. Omit the frames | |
| 14 // for the top-level evaluation, if it is present. | |
| 15 var split = stack.split(/(.)?@.*\n/).slice(0, -1); | |
| 16 if (split[split.length - 1] === undefined) | |
| 17 split = split.slice(0, -2); | |
| 18 | |
| 19 // Check the function names against the expected sequence. | |
| 20 assertEq(split.length, expected.length * 2); | |
| 21 for (var i = 0; i < expected.length; i++) | |
| 22 assertEq(split[i * 2 + 1], expected[i]); | |
| 23 } | |
| 24 | |
| 25 var low = newGlobal({ principal: 0 }); | |
| 26 var mid = newGlobal({ principal: 0xffff }); | |
| 27 var high = newGlobal({ principal: 0xfffff }); | |
| 28 | |
| 29 eval('function a() { check("a", Error().stack); b(); }'); | |
| 30 low .eval('function b() { check("b", Error().stack); c(); }'); | |
| 31 mid .eval('function c() { check("cba", Error().stack); d(); }'); | |
| 32 high.eval('function d() { check("dcba", Error().stack); e(); }'); | |
| 33 eval('function e() { check("edcba", Error().stack); f(); }'); // no principal, so checks skipped | |
| 34 low .eval('function f() { check("fb", Error().stack); g(); }'); | |
| 35 mid .eval('function g() { check("gfecba", Error().stack); h(); }'); | |
| 36 high.eval('function h() { check("hgfedcba", Error().stack); }'); | |
| 37 | |
| 38 // Make everyone's functions visible to each other, as needed. | |
| 39 b = low .b; | |
| 40 low .c = mid .c; | |
| 41 mid .d = high.d; | |
| 42 high.e = e; | |
| 43 f = low .f; | |
| 44 low .g = mid .g; | |
| 45 mid .h = high.h; | |
| 46 | |
| 47 low.check = mid.check = high.check = check; | |
| 48 | |
| 49 // Kick the whole process off. | |
| 50 a(); | |
| 51 | |
| 52 assertEq(count, 8); |
