diff options
Diffstat (limited to 'js/src/jit-test/tests/basic/doMath.js')
-rw-r--r-- | js/src/jit-test/tests/basic/doMath.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/doMath.js b/js/src/jit-test/tests/basic/doMath.js new file mode 100644 index 000000000..8129a466e --- /dev/null +++ b/js/src/jit-test/tests/basic/doMath.js @@ -0,0 +1,60 @@ +function map_test(t, cases) +{ + for (var i = 0; i < cases.length; i++) { + function c() { return t(cases[i].input); } + var expected = cases[i].expected; + assertEq(c(), expected); + } +} + +function lsh_inner(n) +{ + var r; + for (var i = 0; i < 35; i++) + r = 0x1 << n; + return r; +} +map_test (lsh_inner, + [{input: 15, expected: 32768}, + {input: 55, expected: 8388608}, + {input: 1, expected: 2}, + {input: 0, expected: 1}]); + +function rsh_inner(n) +{ + var r; + for (var i = 0; i < 35; i++) + r = 0x11010101 >> n; + return r; +} +map_test (rsh_inner, + [{input: 8, expected: 1114369}, + {input: 5, expected: 8914952}, + {input: 35, expected: 35659808}, + {input: -1, expected: 0}]); + +function ursh_inner(n) +{ + var r; + for (var i = 0; i < 35; i++) + r = -55 >>> n; + return r; +} +map_test (ursh_inner, + [{input: 8, expected: 16777215}, + {input: 33, expected: 2147483620}, + {input: 0, expected: 4294967241}, + {input: 1, expected: 2147483620}]); + +function doMath_inner(cos) +{ + var s = 0; + var sin = Math.sin; + for (var i = 0; i < 200; i++) + s = -Math.pow(sin(i) + cos(i * 0.75), 4); + return s; +} +function doMath() { + return doMath_inner(Math.cos); +} +assertEq(doMath(), -0.5405549555611059); |