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comparison: js/src/jit-test/tests/arguments/defaults-scoping.js
js/src/jit-test/tests/arguments/defaults-scoping.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:3370c2780aff |
|---|---|
| 1 var x = 'global'; | |
| 2 function f(a=x) { // local variable x | |
| 3 var x = 'local'; | |
| 4 return a; | |
| 5 } | |
| 6 assertEq(f(), undefined); | |
| 7 | |
| 8 function g(f=function () { return ++x; }) { // closes on local variable x | |
| 9 var x = 0; | |
| 10 return f; | |
| 11 } | |
| 12 var gf = g(); | |
| 13 assertEq(gf(), 1); | |
| 14 assertEq(gf(), 2); | |
| 15 gf = g(); | |
| 16 assertEq(gf(), 1); | |
| 17 | |
| 18 function h(f=function (s) { return eval(s); }) { // closes on local scope | |
| 19 var x = 'hlocal'; | |
| 20 return f; | |
| 21 } | |
| 22 var hf = h(); | |
| 23 assertEq(hf('x'), 'hlocal'); | |
| 24 assertEq(hf('f'), hf); | |
| 25 assertEq(hf('var x = 3; x'), 3); | |
| 26 | |
| 27 function j(expr, v=eval(expr)) { | |
| 28 return v; | |
| 29 } | |
| 30 assertEq(j("expr"), "expr"); | |
| 31 assertEq(j("v"), undefined); | |
| 32 assertEq(j("Array"), Array); | |
| 33 assertEq(j("arguments").length, 1); |
