js/src/jit-test/tests/ion/array-splice.js@6474c204b198 (annotated)
js/src/jit-test/tests/ion/array-splice.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 | function test1() { |
| michael@0 | 2 | // splice GetElement calls are observable and should be executed even if |
| michael@0 | 3 | // the return value of splice is unused. |
| michael@0 | 4 | Object.defineProperty(Object.prototype, "0", {get: function() { |
| michael@0 | 5 | c++; |
| michael@0 | 6 | }, set: function() {}}); |
| michael@0 | 7 | var arr = [,,,]; |
| michael@0 | 8 | var c = 0; |
| michael@0 | 9 | for (var i=0; i<100; i++) { |
| michael@0 | 10 | arr.splice(0, 1); |
| michael@0 | 11 | arr.length = 1; |
| michael@0 | 12 | } |
| michael@0 | 13 | |
| michael@0 | 14 | assertEq(c, 100); |
| michael@0 | 15 | } |
| michael@0 | 16 | test1(); |
| michael@0 | 17 | |
| michael@0 | 18 | function test2() { |
| michael@0 | 19 | var arr = []; |
| michael@0 | 20 | for (var i=0; i<100; i++) |
| michael@0 | 21 | arr.push(i); |
| michael@0 | 22 | for (var i=0; i<40; i++) |
| michael@0 | 23 | arr.splice(0, 2); |
| michael@0 | 24 | assertEq(arr.length, 20); |
| michael@0 | 25 | assertEq(arr[0], 80); |
| michael@0 | 26 | } |
| michael@0 | 27 | test2(); |
| michael@0 | 28 | |
| michael@0 | 29 | function testNonArray() { |
| michael@0 | 30 | for (var i=0; i<10; i++) { |
| michael@0 | 31 | var o = {splice:[].splice, 0:"a", 1:"b", 2:"c", length:3}; |
| michael@0 | 32 | o.splice(0, 2); |
| michael@0 | 33 | assertEq(o.length, 1); |
| michael@0 | 34 | assertEq(o[0], "c"); |
| michael@0 | 35 | } |
| michael@0 | 36 | } |
| michael@0 | 37 | testNonArray(); |
