js/src/jit-test/tests/debug/Environment-find-06.js@6474c204b198
js/src/jit-test/tests/debug/Environment-find-06.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.
1 // Environment.prototype.find finds bindings that are function arguments, 'let'
2 // bindings, or FunctionExpression names.
4 var g = newGlobal();
5 g.eval("function h() { debugger; }");
7 var dbg = new Debugger(g);
9 function test1(code) {
10 var hits = 0;
11 dbg.onDebuggerStatement = function (frame) {
12 var env = frame.older.environment.find('X');
13 assertEq(env.names().indexOf('X') !== -1, true);
14 assertEq(env.type, 'declarative');
15 assertEq(env.parent !== null, true);
16 hits++;
17 };
18 g.eval(code);
19 assertEq(hits, 1);
20 }
22 var manyNames = '';
23 for (var i = 0; i < 2048; i++)
24 manyNames += 'x' + i + ', ';
25 manyNames += 'X';
27 function test2(code) {
28 print(code + " : one");
29 test1(code.replace('@@', 'X'));
30 print(code + " : many");
31 test1(code.replace('@@', manyNames));
32 }
34 test2('function f(@@) { h(); } f(1);');
35 test2('function f(@@) { h(); } f();');
36 test2('function f(@@) { return function g() { h(X); }; } f(1)();');
37 test2('function f(@@) { return function g() { h(X); }; } f()();');
39 test2(' { let @@ = 0; h(); }');
40 test2('function f(a, b, c) { let @@ = 0; h(); } f(1, 2, 3);');
41 test2(' { let @@ = 0; { let y = 0; h(); } }');
42 test2('function f() { let @@ = 0; { let y = 0; h(); } } f();');
43 test2(' { for (let @@ = 0; X < 1; X++) h(); }');
44 test2('function f() { for (let @@ = 0; X < 1; X++) h(); } f();');
45 test2(' { (let (@@ = 0) let (y = 2, z = 3) h()); }');
46 test2('function f() { return (let (@@ = 0) let (y = 2, z = 3) h()); } f();');
48 test1('(function X() { h(); })();');
49 test1('(function X(a, b, c) { h(); })(1, 2, 3);');
