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const tests = [
[-0x7fffffffffffffffn, 0x7fffffffffffffffn],
[-0x7ffffffffffffffen, 0x7ffffffffffffffen],
[-0x100000001n, 0x100000001n],
[-0x100000000n, 0x100000000n],
[-0xffffffffn, 0xffffffffn],
[-0xfffffffen, 0xfffffffen],
[-0x80000001n, 0x80000001n],
[-0x80000000n, 0x80000000n],
[-0x7fffffffn, 0x7fffffffn],
[-0x7ffffffen, 0x7ffffffen],
[-2n, 2n],
[-1n, 1n],
[0n, 0n],
[1n, -1n],
[2n, -2n],
[0x7ffffffen, -0x7ffffffen],
[0x7fffffffn, -0x7fffffffn],
[0x80000000n, -0x80000000n],
[0x80000001n, -0x80000001n],
[0xfffffffen, -0xfffffffen],
[0xffffffffn, -0xffffffffn],
[0x100000000n, -0x100000000n],
[0x100000001n, -0x100000001n],
[0x7ffffffffffffffen, -0x7ffffffffffffffen],
[0x7fffffffffffffffn, -0x7fffffffffffffffn],
];
function f(tests) {
for (let test of tests) {
let input = test[0], expected = test[1];
assertEq(BigInt.asIntN(64, input), input);
assertEq(BigInt.asIntN(64, expected), expected);
let f = Function(`
let input = ${input}n;
assertEq(-input, ${expected}n);
`);
for (let j = 0; j < 100; ++j) {
f();
}
}
}
f(tests);