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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Math/trunc.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/Math/trunc.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/js/src/tests/non262/Math/trunc.js b/js/src/tests/non262/Math/trunc.js new file mode 100644 index 0000000000..4cadfd9224 --- /dev/null +++ b/js/src/tests/non262/Math/trunc.js @@ -0,0 +1,50 @@ +// If x is NaN, the result is NaN. +assertEq(Math.trunc(NaN), NaN); + +// If x is −0, the result is −0. +assertEq(Math.trunc(-0), -0); + +// If x is +0, the result is +0. +assertEq(Math.trunc(+0), +0); + +// If x is +∞, the result is +∞. +assertEq(Math.trunc(Infinity), Infinity); + +// If x is −∞, the result is −∞. +assertEq(Math.trunc(-Infinity), -Infinity); + +// Other boundary cases. +var MAX_NONINTEGER_VALUE = 4503599627370495.5; +var TRUNC_MAX_NONINTEGER_VALUE = 4503599627370495; + +assertEq(Math.trunc(Number.MIN_VALUE), +0); +assertEq(Math.trunc(ONE_MINUS_EPSILON), +0); +assertEq(Math.trunc(ONE_PLUS_EPSILON), 1); +assertEq(Math.trunc(MAX_NONINTEGER_VALUE), TRUNC_MAX_NONINTEGER_VALUE); +assertEq(Math.trunc(Number.MAX_VALUE), Number.MAX_VALUE); + +assertEq(Math.trunc(-Number.MIN_VALUE), -0); +assertEq(Math.trunc(-ONE_MINUS_EPSILON), -0); +assertEq(Math.trunc(-ONE_PLUS_EPSILON), -1); +assertEq(Math.trunc(-MAX_NONINTEGER_VALUE), -TRUNC_MAX_NONINTEGER_VALUE); +assertEq(Math.trunc(-Number.MAX_VALUE), -Number.MAX_VALUE); + +// Other cases. +for (var i = 1, f = 1.1; i < 20; i++, f += 1.0) + assertEq(Math.trunc(f), i); + +for (var i = -1, f = -1.1; i > -20; i--, f -= 1.0) + assertEq(Math.trunc(f), i); + +assertEq(Math.trunc(1e40 + 0.5), 1e40); + +assertEq(Math.trunc(1e300), 1e300); +assertEq(Math.trunc(-1e300), -1e300); +assertEq(Math.trunc(1e-300), 0); +assertEq(Math.trunc(-1e-300), -0); + +assertEq(Math.trunc(+0.9999), +0); +assertEq(Math.trunc(-0.9999), -0); + + +reportCompare(0, 0, "ok"); |