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Diffstat (limited to '')
| -rw-r--r-- | js/src/tests/non262/Math/tanh-exact.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/non262/Math/tanh-exact.js b/js/src/tests/non262/Math/tanh-exact.js new file mode 100644 index 0000000000..bfd9ac4def --- /dev/null +++ b/js/src/tests/non262/Math/tanh-exact.js @@ -0,0 +1,19 @@ +// Properties of Math.tanh that are guaranteed by the spec. + +// If x is NaN, the result is NaN. +assertEq(Math.tanh(NaN), NaN); + +// If x is +0, the result is +0. +assertEq(Math.tanh(+0), +0); + +// If x is −0, the result is −0. +assertEq(Math.tanh(-0), -0); + +// If x is +∞, the result is +1. +assertEq(Math.tanh(Number.POSITIVE_INFINITY), +1); + +// If x is −∞, the result is -1. +assertEq(Math.tanh(Number.NEGATIVE_INFINITY), -1); + + +reportCompare(0, 0, "ok"); |