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-rw-r--r--js/src/jit-test/tests/basic/doMath.js60
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);