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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /js/src/tests/ecma_6/Math/log2-exact.js | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/tests/ecma_6/Math/log2-exact.js')
| -rw-r--r-- | js/src/tests/ecma_6/Math/log2-exact.js | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Math/log2-exact.js b/js/src/tests/ecma_6/Math/log2-exact.js new file mode 100644 index 000000000..160034ddb --- /dev/null +++ b/js/src/tests/ecma_6/Math/log2-exact.js @@ -0,0 +1,30 @@ +// Properties of Math.log2 that are guaranteed by the spec. + +// If x is NaN, the result is NaN. +assertEq(Math.log2(NaN), NaN); + +// If x is less than 0, the result is NaN. +assertEq(Math.log2(-1e-10), NaN); +assertEq(Math.log2(-1e-5), NaN); +assertEq(Math.log2(-1e-1), NaN); +assertEq(Math.log2(-Number.MIN_VALUE), NaN); +assertEq(Math.log2(-Number.MAX_VALUE), NaN); +assertEq(Math.log2(-Infinity), NaN); + +for (var i = -1; i > -10; i--) + assertEq(Math.log2(i), NaN); + +// If x is +0, the result is −∞. +assertEq(Math.log2(+0), -Infinity); + +// If x is −0, the result is −∞. +assertEq(Math.log2(-0), -Infinity); + +// If x is 1, the result is +0. +assertEq(Math.log2(1), +0); + +// If x is +∞, the result is +∞. +assertEq(Math.log2(Infinity), Infinity); + + +reportCompare(0, 0, 'ok'); |