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Diffstat (limited to '')
| -rw-r--r-- | js/src/tests/non262/Math/exp-exact.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/non262/Math/exp-exact.js b/js/src/tests/non262/Math/exp-exact.js new file mode 100644 index 0000000000..e004f74718 --- /dev/null +++ b/js/src/tests/non262/Math/exp-exact.js @@ -0,0 +1,29 @@ +// Properties of Math.exp that are guaranteed by the spec. + +// If x is NaN, the result is NaN. +assertEq(Math.exp(NaN), NaN); + +// If x is +0, the result is 1. +assertEq(Math.exp(+0), 1); + +// If x is −0, the result is 1. +assertEq(Math.exp(-0), 1); + +// If x is +∞, the result is +∞. +assertEq(Math.exp(Infinity), Infinity); + +// If x is −∞, the result is +0. +assertEq(Math.exp(-Infinity), +0); + + +// Not guaranteed by the specification, but generally assumed to hold. + +// If x is 1, the result is Math.E. +assertEq(Math.exp(1), Math.E); + +// If x is -1, the result is 1/Math.E. +assertEq(Math.exp(-1), 1 / Math.E); + + +if (typeof reportCompare === "function") + reportCompare(0, 0); |