/js/src/jit-test/tests/debug/Frame-arguments-07.js

http://github.com/zpao/v8monkey · JavaScript · 23 lines · 19 code · 3 blank · 1 comment · 1 complexity · a0cfcf6e3ec2db1d1ca9c5d3e0059fc3 MD5 · raw file

  1. // When argument[x] is assigned, where x > callee.length, frame.arguments reflects the change.
  2. var g = newGlobal('new-compartment');
  3. g.eval("function f(a, b) {\n" +
  4. " for (var i = 0; i < arguments.length; i++)\n" +
  5. " arguments[i] = i;\n" +
  6. " debugger;\n" +
  7. "}\n");
  8. var dbg = Debugger(g);
  9. var hits = 0;
  10. dbg.onDebuggerStatement = function (frame) {
  11. var argc = frame.eval("arguments.length").return;
  12. var args = frame.arguments;
  13. assertEq(args.length, argc);
  14. for (var i = 0; i < argc; i++)
  15. assertEq(args[i], i);
  16. hits++;
  17. }
  18. g.f(9);
  19. g.f(9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9);
  20. assertEq(hits, 2);