diff options
Diffstat (limited to 'js/src/jit-test/tests/bigint/bug1531269.js')
| -rw-r--r-- | js/src/jit-test/tests/bigint/bug1531269.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/bigint/bug1531269.js b/js/src/jit-test/tests/bigint/bug1531269.js new file mode 100644 index 0000000000..cf550a5f90 --- /dev/null +++ b/js/src/jit-test/tests/bigint/bug1531269.js @@ -0,0 +1,13 @@ +var x = 0b1111n << 126n; +// octets: g f e d c b a 9 8 7 6 5 4 3 2 1 0 +assertEq(x, 0x03c0000000000000000000000000000000n); + +function tr(bits, x) { return BigInt.asUintN(bits, x); } + +// octets: g f e d c b a 9 8 7 6 5 4 3 2 1 0 +assertEq(tr(131, x), 0x03c0000000000000000000000000000000n); +assertEq(tr(130, x), 0x03c0000000000000000000000000000000n); +assertEq(tr(129, x), 0x01c0000000000000000000000000000000n); +assertEq(tr(128, x), 0x00c0000000000000000000000000000000n); +assertEq(tr(127, x), 0x0040000000000000000000000000000000n); +assertEq(tr(126, x), 0n); |