js/src/jit-test/tests/basic/doMath.js@6474c204b198 (annotated)
js/src/jit-test/tests/basic/doMath.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 map_test(t, cases) |
| michael@0 | 2 | { |
| michael@0 | 3 | for (var i = 0; i < cases.length; i++) { |
| michael@0 | 4 | function c() { return t(cases[i].input); } |
| michael@0 | 5 | var expected = cases[i].expected; |
| michael@0 | 6 | assertEq(c(), expected); |
| michael@0 | 7 | } |
| michael@0 | 8 | } |
| michael@0 | 9 | |
| michael@0 | 10 | function lsh_inner(n) |
| michael@0 | 11 | { |
| michael@0 | 12 | var r; |
| michael@0 | 13 | for (var i = 0; i < 35; i++) |
| michael@0 | 14 | r = 0x1 << n; |
| michael@0 | 15 | return r; |
| michael@0 | 16 | } |
| michael@0 | 17 | map_test (lsh_inner, |
| michael@0 | 18 | [{input: 15, expected: 32768}, |
| michael@0 | 19 | {input: 55, expected: 8388608}, |
| michael@0 | 20 | {input: 1, expected: 2}, |
| michael@0 | 21 | {input: 0, expected: 1}]); |
| michael@0 | 22 | |
| michael@0 | 23 | function rsh_inner(n) |
| michael@0 | 24 | { |
| michael@0 | 25 | var r; |
| michael@0 | 26 | for (var i = 0; i < 35; i++) |
| michael@0 | 27 | r = 0x11010101 >> n; |
| michael@0 | 28 | return r; |
| michael@0 | 29 | } |
| michael@0 | 30 | map_test (rsh_inner, |
| michael@0 | 31 | [{input: 8, expected: 1114369}, |
| michael@0 | 32 | {input: 5, expected: 8914952}, |
| michael@0 | 33 | {input: 35, expected: 35659808}, |
| michael@0 | 34 | {input: -1, expected: 0}]); |
| michael@0 | 35 | |
| michael@0 | 36 | function ursh_inner(n) |
| michael@0 | 37 | { |
| michael@0 | 38 | var r; |
| michael@0 | 39 | for (var i = 0; i < 35; i++) |
| michael@0 | 40 | r = -55 >>> n; |
| michael@0 | 41 | return r; |
| michael@0 | 42 | } |
| michael@0 | 43 | map_test (ursh_inner, |
| michael@0 | 44 | [{input: 8, expected: 16777215}, |
| michael@0 | 45 | {input: 33, expected: 2147483620}, |
| michael@0 | 46 | {input: 0, expected: 4294967241}, |
| michael@0 | 47 | {input: 1, expected: 2147483620}]); |
| michael@0 | 48 | |
| michael@0 | 49 | function doMath_inner(cos) |
| michael@0 | 50 | { |
| michael@0 | 51 | var s = 0; |
| michael@0 | 52 | var sin = Math.sin; |
| michael@0 | 53 | for (var i = 0; i < 200; i++) |
| michael@0 | 54 | s = -Math.pow(sin(i) + cos(i * 0.75), 4); |
| michael@0 | 55 | return s; |
| michael@0 | 56 | } |
| michael@0 | 57 | function doMath() { |
| michael@0 | 58 | return doMath_inner(Math.cos); |
| michael@0 | 59 | } |
| michael@0 | 60 | assertEq(doMath(), -0.5405549555611059); |
