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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit-test/tests/cacheir/parseInt-double-truncate.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit-test/tests/cacheir/parseInt-double-truncate.js')
-rw-r--r-- | js/src/jit-test/tests/cacheir/parseInt-double-truncate.js | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/parseInt-double-truncate.js b/js/src/jit-test/tests/cacheir/parseInt-double-truncate.js new file mode 100644 index 0000000000..2b989f2624 --- /dev/null +++ b/js/src/jit-test/tests/cacheir/parseInt-double-truncate.js @@ -0,0 +1,41 @@ +// Test some double-truncation edge cases with parseInt(double). + +function testPos1() { + with({}) {} + var fun = d => parseInt(d); + for (var i = 0; i < 2000; i++) { + assertEq(fun(i + 0.5), i); + } + assertEq(fun(0xf_ffff_ffff) + 345, 68719477080); +} +testPos1(); + +function testPos2() { + with({}) {} + var fun = d => parseInt(d); + for (var i = 0; i < 2000; i++) { + assertEq(fun(i + 0.5), i); + } + assertEq(fun(0x8000_0000) + 345, 2147483993); +} +testPos2(); + +function testNeg1() { + with({}) {} + var fun = d => parseInt(d); + for (var i = 0; i < 2000; i++) { + assertEq(fun(i + 0.5), i); + } + assertEq(fun(-0xf_ffff_ffff) - 345, -68719477080); +} +testNeg1(); + +function testNeg2() { + with({}) {} + var fun = d => parseInt(d); + for (var i = 0; i < 2000; i++) { + assertEq(fun(i + 0.5), i); + } + assertEq(fun(-0x8000_0001) - 345, -2147483994); +} +testNeg2(); |