The Tor Browser / file comparison
comparison: js/src/jit-test/tests/basic/spread-call-length.js
js/src/jit-test/tests/basic/spread-call-length.js
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:493c04f7581d |
|---|---|
| 1 load(libdir + 'iteration.js'); | |
| 2 | |
| 3 let makeCall = farg => Function("f", "arg", "return f(" + farg + ");"); | |
| 4 let makeFunCall = farg => Function("f", "arg", "return f.call(null, " + farg + ");"); | |
| 5 let makeNew = farg => Function("f", "arg", "return new f(" + farg + ").length;"); | |
| 6 | |
| 7 function checkLength(f, makeFn) { | |
| 8 assertEq(makeFn("...[1, 2, 3]")(f), 3); | |
| 9 assertEq(makeFn("1, ...[2], 3")(f), 3); | |
| 10 assertEq(makeFn("1, ...[2], ...[3]")(f), 3); | |
| 11 assertEq(makeFn("1, ...[2, 3]")(f), 3); | |
| 12 assertEq(makeFn("1, ...[], 2, 3")(f), 3); | |
| 13 | |
| 14 assertEq(makeFn("...[1]")(f), 1); | |
| 15 assertEq(makeFn("...[1, 2]")(f), 2); | |
| 16 assertEq(makeFn("...[1, 2, 3, 4]")(f), 4); | |
| 17 assertEq(makeFn("1, ...[2, 3, 4], 5")(f), 5); | |
| 18 | |
| 19 assertEq(makeFn("...[undefined]")(f), 1); | |
| 20 | |
| 21 // other iterable objects | |
| 22 assertEq(makeFn("...arg")(f, new Int32Array([1, 2, 3])), 3); | |
| 23 assertEq(makeFn("...arg")(f, "abc"), 3); | |
| 24 assertEq(makeFn("...arg")(f, [1, 2, 3][std_iterator]()), 3); | |
| 25 assertEq(makeFn("...arg")(f, Set([1, 2, 3])), 3); | |
| 26 assertEq(makeFn("...arg")(f, Map([["a", "A"], ["b", "B"], ["c", "C"]])), 3); | |
| 27 let itr = {}; | |
| 28 itr[std_iterator] = function() { | |
| 29 return { | |
| 30 i: 1, | |
| 31 next: function() { | |
| 32 if (this.i < 4) | |
| 33 return { value: this.i++, done: false }; | |
| 34 else | |
| 35 return { value: undefined, done: true }; | |
| 36 } | |
| 37 }; | |
| 38 } | |
| 39 assertEq(makeFn("...arg")(f, itr), 3); | |
| 40 function* gen() { | |
| 41 for (let i = 1; i < 4; i ++) | |
| 42 yield i; | |
| 43 } | |
| 44 assertEq(makeFn("...arg")(f, gen()), 3); | |
| 45 } | |
| 46 | |
| 47 checkLength(function(x) arguments.length, makeCall); | |
| 48 checkLength(function(x) arguments.length, makeFunCall); | |
| 49 checkLength((x) => arguments.length, makeCall); | |
| 50 checkLength((x) => arguments.length, makeFunCall); | |
| 51 function lengthClass(x) { | |
| 52 this.length = arguments.length; | |
| 53 } | |
| 54 checkLength(lengthClass, makeNew); |
