js/src/jit-test/tests/debug/Environment-01.js@6474c204b198 (annotated)
js/src/jit-test/tests/debug/Environment-01.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 | // A live Environment can observe the new variables introduced by ES5 non-strict direct eval. |
| michael@0 | 2 | |
| michael@0 | 3 | var g = newGlobal(); |
| michael@0 | 4 | g.eval("var x = 'global'; function f(s) { h(); eval(s); h(); }"); |
| michael@0 | 5 | g.eval("function h() { debugger; }"); |
| michael@0 | 6 | var dbg = Debugger(g); |
| michael@0 | 7 | var env = undefined; |
| michael@0 | 8 | var hits = 0; |
| michael@0 | 9 | dbg.onDebuggerStatement = function (hframe) { |
| michael@0 | 10 | if (env === undefined) { |
| michael@0 | 11 | // First debugger statement. |
| michael@0 | 12 | env = hframe.older.environment; |
| michael@0 | 13 | assertEq(env.find("x") !== env, true); |
| michael@0 | 14 | assertEq(env.names().indexOf("x"), -1); |
| michael@0 | 15 | } else { |
| michael@0 | 16 | // Second debugger statement, post-eval. |
| michael@0 | 17 | assertEq(env.find("x"), env); |
| michael@0 | 18 | assertEq(env.names().indexOf("x") >= 0, true); |
| michael@0 | 19 | } |
| michael@0 | 20 | hits++; |
| michael@0 | 21 | }; |
| michael@0 | 22 | g.f("var x = 'local';"); |
| michael@0 | 23 | assertEq(hits, 2); |
