const tests = [ [-0x8000000000000000n, 0n, -0x8000000000000000n], [-0x7fffffffffffffffn, 0n, -0x7fffffffffffffffn], [-0x7ffffffffffffffen, 0n, -0x7ffffffffffffffen], [-0x100000001n, 0n, -0x100000001n], [-0x100000000n, 0n, -0x100000000n], [-0xffffffffn, 0n, -0xffffffffn], [-0xfffffffen, 0n, -0xfffffffen], [-0x80000001n, 0n, -0x80000001n], [-0x80000000n, 0n, -0x80000000n], [-0x7fffffffn, 0n, -0x7fffffffn], [-0x7ffffffen, 0n, -0x7ffffffen], [-9n, 0n, -9n], [-8n, 0n, -8n], [-7n, 0n, -7n], [-6n, 0n, -6n], [-5n, 0n, -5n], [-4n, 0n, -4n], [-3n, 0n, -3n], [-2n, 0n, -2n], [-1n, 0n, -1n], [0n, 0n, 0n], [1n, 0n, 1n], [2n, 0n, 2n], [3n, 0n, 3n], [4n, 0n, 4n], [5n, 0n, 5n], [6n, 0n, 6n], [7n, 0n, 7n], [8n, 0n, 8n], [9n, 0n, 9n], [0x7ffffffen, 0n, 0x7ffffffen], [0x7fffffffn, 0n, 0x7fffffffn], [0x80000000n, 0n, 0x80000000n], [0x80000001n, 0n, 0x80000001n], [0xfffffffen, 0n, 0xfffffffen], [0xffffffffn, 0n, 0xffffffffn], [0x100000000n, 0n, 0x100000000n], [0x100000001n, 0n, 0x100000001n], [0x7ffffffffffffffen, 0n, 0x7ffffffffffffffen], [0x7fffffffffffffffn, 0n, 0x7fffffffffffffffn], [-0x8000000000000000n, 1n, -0x4000000000000000n], [-0x7fffffffffffffffn, 1n, -0x4000000000000000n], [-0x7ffffffffffffffen, 1n, -0x3fffffffffffffffn], [-0x100000001n, 1n, -0x80000001n], [-0x100000000n, 1n, -0x80000000n], [-0xffffffffn, 1n, -0x80000000n], [-0xfffffffen, 1n, -0x7fffffffn], [-0x80000001n, 1n, -0x40000001n], [-0x80000000n, 1n, -0x40000000n], [-0x7fffffffn, 1n, -0x40000000n], [-0x7ffffffen, 1n, -0x3fffffffn], [-9n, 1n, -5n], [-8n, 1n, -4n], [-7n, 1n, -4n], [-6n, 1n, -3n], [-5n, 1n, -3n], [-4n, 1n, -2n], [-3n, 1n, -2n], [-2n, 1n, -1n], [-1n, 1n, -1n], [0n, 1n, 0n], [1n, 1n, 0n], [2n, 1n, 1n], [3n, 1n, 1n], [4n, 1n, 2n], [5n, 1n, 2n], [6n, 1n, 3n], [7n, 1n, 3n], [8n, 1n, 4n], [9n, 1n, 4n], [0x7ffffffen, 1n, 0x3fffffffn], [0x7fffffffn, 1n, 0x3fffffffn], [0x80000000n, 1n, 0x40000000n], [0x80000001n, 1n, 0x40000000n], [0xfffffffen, 1n, 0x7fffffffn], [0xffffffffn, 1n, 0x7fffffffn], [0x100000000n, 1n, 0x80000000n], [0x100000001n, 1n, 0x80000000n], [0x7ffffffffffffffen, 1n, 0x3fffffffffffffffn], [0x7fffffffffffffffn, 1n, 0x3fffffffffffffffn], [-0x8000000000000000n, 2n, -0x2000000000000000n], [-0x7fffffffffffffffn, 2n, -0x2000000000000000n], [-0x7ffffffffffffffen, 2n, -0x2000000000000000n], [-0x100000001n, 2n, -0x40000001n], [-0x100000000n, 2n, -0x40000000n], [-0xffffffffn, 2n, -0x40000000n], [-0xfffffffen, 2n, -0x40000000n], [-0x80000001n, 2n, -0x20000001n], [-0x80000000n, 2n, -0x20000000n], [-0x7fffffffn, 2n, -0x20000000n], [-0x7ffffffen, 2n, -0x20000000n], [-9n, 2n, -3n], [-8n, 2n, -2n], [-7n, 2n, -2n], [-6n, 2n, -2n], [-5n, 2n, -2n], [-4n, 2n, -1n], [-3n, 2n, -1n], [-2n, 2n, -1n], [-1n, 2n, -1n], [0n, 2n, 0n], [1n, 2n, 0n], [2n, 2n, 0n], [3n, 2n, 0n], [4n, 2n, 1n], [5n, 2n, 1n], [6n, 2n, 1n], [7n, 2n, 1n], [8n, 2n, 2n], [9n, 2n, 2n], [0x7ffffffen, 2n, 0x1fffffffn], [0x7fffffffn, 2n, 0x1fffffffn], [0x80000000n, 2n, 0x20000000n], [0x80000001n, 2n, 0x20000000n], [0xfffffffen, 2n, 0x3fffffffn], [0xffffffffn, 2n, 0x3fffffffn], [0x100000000n, 2n, 0x40000000n], [0x100000001n, 2n, 0x40000000n], [0x7ffffffffffffffen, 2n, 0x1fffffffffffffffn], [0x7fffffffffffffffn, 2n, 0x1fffffffffffffffn], [-0x8000000000000000n, 3n, -0x1000000000000000n], [-0x7fffffffffffffffn, 3n, -0x1000000000000000n], [-0x7ffffffffffffffen, 3n, -0x1000000000000000n], [-0x100000001n, 3n, -0x20000001n], [-0x100000000n, 3n, -0x20000000n], [-0xffffffffn, 3n, -0x20000000n], [-0xfffffffen, 3n, -0x20000000n], [-0x80000001n, 3n, -0x10000001n], [-0x80000000n, 3n, -0x10000000n], [-0x7fffffffn, 3n, -0x10000000n], [-0x7ffffffen, 3n, -0x10000000n], [-9n, 3n, -2n], [-8n, 3n, -1n], [-7n, 3n, -1n], [-6n, 3n, -1n], [-5n, 3n, -1n], [-4n, 3n, -1n], [-3n, 3n, -1n], [-2n, 3n, -1n], [-1n, 3n, -1n], [0n, 3n, 0n], [1n, 3n, 0n], [2n, 3n, 0n], [3n, 3n, 0n], [4n, 3n, 0n], [5n, 3n, 0n], [6n, 3n, 0n], [7n, 3n, 0n], [8n, 3n, 1n], [9n, 3n, 1n], [0x7ffffffen, 3n, 0xfffffffn], [0x7fffffffn, 3n, 0xfffffffn], [0x80000000n, 3n, 0x10000000n], [0x80000001n, 3n, 0x10000000n], [0xfffffffen, 3n, 0x1fffffffn], [0xffffffffn, 3n, 0x1fffffffn], [0x100000000n, 3n, 0x20000000n], [0x100000001n, 3n, 0x20000000n], [0x7ffffffffffffffen, 3n, 0xfffffffffffffffn], [0x7fffffffffffffffn, 3n, 0xfffffffffffffffn], [-0x8000000000000000n, 4n, -0x800000000000000n], [-0x7fffffffffffffffn, 4n, -0x800000000000000n], [-0x7ffffffffffffffen, 4n, -0x800000000000000n], [-0x100000001n, 4n, -0x10000001n], [-0x100000000n, 4n, -0x10000000n], [-0xffffffffn, 4n, -0x10000000n], [-0xfffffffen, 4n, -0x10000000n], [-0x80000001n, 4n, -0x8000001n], [-0x80000000n, 4n, -0x8000000n], [-0x7fffffffn, 4n, -0x8000000n], [-0x7ffffffen, 4n, -0x8000000n], [-9n, 4n, -1n], [-8n, 4n, -1n], [-7n, 4n, -1n], [-6n, 4n, -1n], [-5n, 4n, -1n], [-4n, 4n, -1n], [-3n, 4n, -1n], [-2n, 4n, -1n], [-1n, 4n, -1n], [0n, 4n, 0n], [1n, 4n, 0n], [2n, 4n, 0n], [3n, 4n, 0n], [4n, 4n, 0n], [5n, 4n, 0n], [6n, 4n, 0n], [7n, 4n, 0n], [8n, 4n, 0n], [9n, 4n, 0n], [0x7ffffffen, 4n, 0x7ffffffn], [0x7fffffffn, 4n, 0x7ffffffn], [0x80000000n, 4n, 0x8000000n], [0x80000001n, 4n, 0x8000000n], [0xfffffffen, 4n, 0xfffffffn], [0xffffffffn, 4n, 0xfffffffn], [0x100000000n, 4n, 0x10000000n], [0x100000001n, 4n, 0x10000000n], [0x7ffffffffffffffen, 4n, 0x7ffffffffffffffn], [0x7fffffffffffffffn, 4n, 0x7ffffffffffffffn], [-0x8000000000000000n, 0x1fn, -0x100000000n], [-0x7fffffffffffffffn, 0x1fn, -0x100000000n], [-0x7ffffffffffffffen, 0x1fn, -0x100000000n], [-0x100000001n, 0x1fn, -3n], [-0x100000000n, 0x1fn, -2n], [-0xffffffffn, 0x1fn, -2n], [-0xfffffffen, 0x1fn, -2n], [-0x80000001n, 0x1fn, -2n], [-0x80000000n, 0x1fn, -1n], [-0x7fffffffn, 0x1fn, -1n], [-0x7ffffffen, 0x1fn, -1n], [-9n, 0x1fn, -1n], [-8n, 0x1fn, -1n], [-7n, 0x1fn, -1n], [-6n, 0x1fn, -1n], [-5n, 0x1fn, -1n], [-4n, 0x1fn, -1n], [-3n, 0x1fn, -1n], [-2n, 0x1fn, -1n], [-1n, 0x1fn, -1n], [0n, 0x1fn, 0n], [1n, 0x1fn, 0n], [2n, 0x1fn, 0n], [3n, 0x1fn, 0n], [4n, 0x1fn, 0n], [5n, 0x1fn, 0n], [6n, 0x1fn, 0n], [7n, 0x1fn, 0n], [8n, 0x1fn, 0n], [9n, 0x1fn, 0n], [0x7ffffffen, 0x1fn, 0n], [0x7fffffffn, 0x1fn, 0n], [0x80000000n, 0x1fn, 1n], [0x80000001n, 0x1fn, 1n], [0xfffffffen, 0x1fn, 1n], [0xffffffffn, 0x1fn, 1n], [0x100000000n, 0x1fn, 2n], [0x100000001n, 0x1fn, 2n], [0x7ffffffffffffffen, 0x1fn, 0xffffffffn], [0x7fffffffffffffffn, 0x1fn, 0xffffffffn], [-0x8000000000000000n, 0x20n, -0x80000000n], [-0x7fffffffffffffffn, 0x20n, -0x80000000n], [-0x7ffffffffffffffen, 0x20n, -0x80000000n], [-0x100000001n, 0x20n, -2n], [-0x100000000n, 0x20n, -1n], [-0xffffffffn, 0x20n, -1n], [-0xfffffffen, 0x20n, -1n], [-0x80000001n, 0x20n, -1n], [-0x80000000n, 0x20n, -1n], [-0x7fffffffn, 0x20n, -1n], [-0x7ffffffen, 0x20n, -1n], [-9n, 0x20n, -1n], [-8n, 0x20n, -1n], [-7n, 0x20n, -1n], [-6n, 0x20n, -1n], [-5n, 0x20n, -1n], [-4n, 0x20n, -1n], [-3n, 0x20n, -1n], [-2n, 0x20n, -1n], [-1n, 0x20n, -1n], [0n, 0x20n, 0n], [1n, 0x20n, 0n], [2n, 0x20n, 0n], [3n, 0x20n, 0n], [4n, 0x20n, 0n], [5n, 0x20n, 0n], [6n, 0x20n, 0n], [7n, 0x20n, 0n], [8n, 0x20n, 0n], [9n, 0x20n, 0n], [0x7ffffffen, 0x20n, 0n], [0x7fffffffn, 0x20n, 0n], [0x80000000n, 0x20n, 0n], [0x80000001n, 0x20n, 0n], [0xfffffffen, 0x20n, 0n], [0xffffffffn, 0x20n, 0n], [0x100000000n, 0x20n, 1n], [0x100000001n, 0x20n, 1n], [0x7ffffffffffffffen, 0x20n, 0x7fffffffn], [0x7fffffffffffffffn, 0x20n, 0x7fffffffn], [-0x8000000000000000n, 0x3fn, -1n], [-0x7fffffffffffffffn, 0x3fn, -1n], [-0x7ffffffffffffffen, 0x3fn, -1n], [-0x100000001n, 0x3fn, -1n], [-0x100000000n, 0x3fn, -1n], [-0xffffffffn, 0x3fn, -1n], [-0xfffffffen, 0x3fn, -1n], [-0x80000001n, 0x3fn, -1n], [-0x80000000n, 0x3fn, -1n], [-0x7fffffffn, 0x3fn, -1n], [-0x7ffffffen, 0x3fn, -1n], [-9n, 0x3fn, -1n], [-8n, 0x3fn, -1n], [-7n, 0x3fn, -1n], [-6n, 0x3fn, -1n], [-5n, 0x3fn, -1n], [-4n, 0x3fn, -1n], [-3n, 0x3fn, -1n], [-2n, 0x3fn, -1n], [-1n, 0x3fn, -1n], [0n, 0x3fn, 0n], [1n, 0x3fn, 0n], [2n, 0x3fn, 0n], [3n, 0x3fn, 0n], [4n, 0x3fn, 0n], [5n, 0x3fn, 0n], [6n, 0x3fn, 0n], [7n, 0x3fn, 0n], [8n, 0x3fn, 0n], [9n, 0x3fn, 0n], [0x7ffffffen, 0x3fn, 0n], [0x7fffffffn, 0x3fn, 0n], [0x80000000n, 0x3fn, 0n], [0x80000001n, 0x3fn, 0n], [0xfffffffen, 0x3fn, 0n], [0xffffffffn, 0x3fn, 0n], [0x100000000n, 0x3fn, 0n], [0x100000001n, 0x3fn, 0n], [0x7ffffffffffffffen, 0x3fn, 0n], [0x7fffffffffffffffn, 0x3fn, 0n], [-0x8000000000000000n, 0x40n, -1n], [-0x7fffffffffffffffn, 0x40n, -1n], [-0x7ffffffffffffffen, 0x40n, -1n], [-0x100000001n, 0x40n, -1n], [-0x100000000n, 0x40n, -1n], [-0xffffffffn, 0x40n, -1n], [-0xfffffffen, 0x40n, -1n], [-0x80000001n, 0x40n, -1n], [-0x80000000n, 0x40n, -1n], [-0x7fffffffn, 0x40n, -1n], [-0x7ffffffen, 0x40n, -1n], [-9n, 0x40n, -1n], [-8n, 0x40n, -1n], [-7n, 0x40n, -1n], [-6n, 0x40n, -1n], [-5n, 0x40n, -1n], [-4n, 0x40n, -1n], [-3n, 0x40n, -1n], [-2n, 0x40n, -1n], [-1n, 0x40n, -1n], [0n, 0x40n, 0n], [1n, 0x40n, 0n], [2n, 0x40n, 0n], [3n, 0x40n, 0n], [4n, 0x40n, 0n], [5n, 0x40n, 0n], [6n, 0x40n, 0n], [7n, 0x40n, 0n], [8n, 0x40n, 0n], [9n, 0x40n, 0n], [0x7ffffffen, 0x40n, 0n], [0x7fffffffn, 0x40n, 0n], [0x80000000n, 0x40n, 0n], [0x80000001n, 0x40n, 0n], [0xfffffffen, 0x40n, 0n], [0xffffffffn, 0x40n, 0n], [0x100000000n, 0x40n, 0n], [0x100000001n, 0x40n, 0n], [0x7ffffffffffffffen, 0x40n, 0n], [0x7fffffffffffffffn, 0x40n, 0n], [-0x100000001n, -1n, -0x200000002n], [-0x100000000n, -1n, -0x200000000n], [-0xffffffffn, -1n, -0x1fffffffen], [-0xfffffffen, -1n, -0x1fffffffcn], [-0x80000001n, -1n, -0x100000002n], [-0x80000000n, -1n, -0x100000000n], [-0x7fffffffn, -1n, -0xfffffffen], [-0x7ffffffen, -1n, -0xfffffffcn], [-9n, -1n, -0x12n], [-8n, -1n, -0x10n], [-7n, -1n, -0xen], [-6n, -1n, -0xcn], [-5n, -1n, -0xan], [-4n, -1n, -8n], [-3n, -1n, -6n], [-2n, -1n, -4n], [-1n, -1n, -2n], [0n, -1n, 0n], [1n, -1n, 2n], [2n, -1n, 4n], [3n, -1n, 6n], [4n, -1n, 8n], [5n, -1n, 0xan], [6n, -1n, 0xcn], [7n, -1n, 0xen], [8n, -1n, 0x10n], [9n, -1n, 0x12n], [0x7ffffffen, -1n, 0xfffffffcn], [0x7fffffffn, -1n, 0xfffffffen], [0x80000000n, -1n, 0x100000000n], [0x80000001n, -1n, 0x100000002n], [0xfffffffen, -1n, 0x1fffffffcn], [0xffffffffn, -1n, 0x1fffffffen], [0x100000000n, -1n, 0x200000000n], [0x100000001n, -1n, 0x200000002n], [-0x100000001n, -2n, -0x400000004n], [-0x100000000n, -2n, -0x400000000n], [-0xffffffffn, -2n, -0x3fffffffcn], [-0xfffffffen, -2n, -0x3fffffff8n], [-0x80000001n, -2n, -0x200000004n], [-0x80000000n, -2n, -0x200000000n], [-0x7fffffffn, -2n, -0x1fffffffcn], [-0x7ffffffen, -2n, -0x1fffffff8n], [-9n, -2n, -0x24n], [-8n, -2n, -0x20n], [-7n, -2n, -0x1cn], [-6n, -2n, -0x18n], [-5n, -2n, -0x14n], [-4n, -2n, -0x10n], [-3n, -2n, -0xcn], [-2n, -2n, -8n], [-1n, -2n, -4n], [0n, -2n, 0n], [1n, -2n, 4n], [2n, -2n, 8n], [3n, -2n, 0xcn], [4n, -2n, 0x10n], [5n, -2n, 0x14n], [6n, -2n, 0x18n], [7n, -2n, 0x1cn], [8n, -2n, 0x20n], [9n, -2n, 0x24n], [0x7ffffffen, -2n, 0x1fffffff8n], [0x7fffffffn, -2n, 0x1fffffffcn], [0x80000000n, -2n, 0x200000000n], [0x80000001n, -2n, 0x200000004n], [0xfffffffen, -2n, 0x3fffffff8n], [0xffffffffn, -2n, 0x3fffffffcn], [0x100000000n, -2n, 0x400000000n], [0x100000001n, -2n, 0x400000004n], [-0x100000001n, -3n, -0x800000008n], [-0x100000000n, -3n, -0x800000000n], [-0xffffffffn, -3n, -0x7fffffff8n], [-0xfffffffen, -3n, -0x7fffffff0n], [-0x80000001n, -3n, -0x400000008n], [-0x80000000n, -3n, -0x400000000n], [-0x7fffffffn, -3n, -0x3fffffff8n], [-0x7ffffffen, -3n, -0x3fffffff0n], [-9n, -3n, -0x48n], [-8n, -3n, -0x40n], [-7n, -3n, -0x38n], [-6n, -3n, -0x30n], [-5n, -3n, -0x28n], [-4n, -3n, -0x20n], [-3n, -3n, -0x18n], [-2n, -3n, -0x10n], [-1n, -3n, -8n], [0n, -3n, 0n], [1n, -3n, 8n], [2n, -3n, 0x10n], [3n, -3n, 0x18n], [4n, -3n, 0x20n], [5n, -3n, 0x28n], [6n, -3n, 0x30n], [7n, -3n, 0x38n], [8n, -3n, 0x40n], [9n, -3n, 0x48n], [0x7ffffffen, -3n, 0x3fffffff0n], [0x7fffffffn, -3n, 0x3fffffff8n], [0x80000000n, -3n, 0x400000000n], [0x80000001n, -3n, 0x400000008n], [0xfffffffen, -3n, 0x7fffffff0n], [0xffffffffn, -3n, 0x7fffffff8n], [0x100000000n, -3n, 0x800000000n], [0x100000001n, -3n, 0x800000008n], [-0x100000001n, -4n, -0x1000000010n], [-0x100000000n, -4n, -0x1000000000n], [-0xffffffffn, -4n, -0xffffffff0n], [-0xfffffffen, -4n, -0xfffffffe0n], [-0x80000001n, -4n, -0x800000010n], [-0x80000000n, -4n, -0x800000000n], [-0x7fffffffn, -4n, -0x7fffffff0n], [-0x7ffffffen, -4n, -0x7ffffffe0n], [-9n, -4n, -0x90n], [-8n, -4n, -0x80n], [-7n, -4n, -0x70n], [-6n, -4n, -0x60n], [-5n, -4n, -0x50n], [-4n, -4n, -0x40n], [-3n, -4n, -0x30n], [-2n, -4n, -0x20n], [-1n, -4n, -0x10n], [0n, -4n, 0n], [1n, -4n, 0x10n], [2n, -4n, 0x20n], [3n, -4n, 0x30n], [4n, -4n, 0x40n], [5n, -4n, 0x50n], [6n, -4n, 0x60n], [7n, -4n, 0x70n], [8n, -4n, 0x80n], [9n, -4n, 0x90n], [0x7ffffffen, -4n, 0x7ffffffe0n], [0x7fffffffn, -4n, 0x7fffffff0n], [0x80000000n, -4n, 0x800000000n], [0x80000001n, -4n, 0x800000010n], [0xfffffffen, -4n, 0xfffffffe0n], [0xffffffffn, -4n, 0xffffffff0n], [0x100000000n, -4n, 0x1000000000n], [0x100000001n, -4n, 0x1000000010n], [-0x100000000n, -0x1fn, -0x8000000000000000n], [-0xffffffffn, -0x1fn, -0x7fffffff80000000n], [-0xfffffffen, -0x1fn, -0x7fffffff00000000n], [-0x80000001n, -0x1fn, -0x4000000080000000n], [-0x80000000n, -0x1fn, -0x4000000000000000n], [-0x7fffffffn, -0x1fn, -0x3fffffff80000000n], [-0x7ffffffen, -0x1fn, -0x3fffffff00000000n], [-9n, -0x1fn, -0x480000000n], [-8n, -0x1fn, -0x400000000n], [-7n, -0x1fn, -0x380000000n], [-6n, -0x1fn, -0x300000000n], [-5n, -0x1fn, -0x280000000n], [-4n, -0x1fn, -0x200000000n], [-3n, -0x1fn, -0x180000000n], [-2n, -0x1fn, -0x100000000n], [-1n, -0x1fn, -0x80000000n], [0n, -0x1fn, 0n], [1n, -0x1fn, 0x80000000n], [2n, -0x1fn, 0x100000000n], [3n, -0x1fn, 0x180000000n], [4n, -0x1fn, 0x200000000n], [5n, -0x1fn, 0x280000000n], [6n, -0x1fn, 0x300000000n], [7n, -0x1fn, 0x380000000n], [8n, -0x1fn, 0x400000000n], [9n, -0x1fn, 0x480000000n], [0x7ffffffen, -0x1fn, 0x3fffffff00000000n], [0x7fffffffn, -0x1fn, 0x3fffffff80000000n], [0x80000000n, -0x1fn, 0x4000000000000000n], [0x80000001n, -0x1fn, 0x4000000080000000n], [0xfffffffen, -0x1fn, 0x7fffffff00000000n], [0xffffffffn, -0x1fn, 0x7fffffff80000000n], [-0x80000000n, -0x20n, -0x8000000000000000n], [-0x7fffffffn, -0x20n, -0x7fffffff00000000n], [-0x7ffffffen, -0x20n, -0x7ffffffe00000000n], [-9n, -0x20n, -0x900000000n], [-8n, -0x20n, -0x800000000n], [-7n, -0x20n, -0x700000000n], [-6n, -0x20n, -0x600000000n], [-5n, -0x20n, -0x500000000n], [-4n, -0x20n, -0x400000000n], [-3n, -0x20n, -0x300000000n], [-2n, -0x20n, -0x200000000n], [-1n, -0x20n, -0x100000000n], [0n, -0x20n, 0n], [1n, -0x20n, 0x100000000n], [2n, -0x20n, 0x200000000n], [3n, -0x20n, 0x300000000n], [4n, -0x20n, 0x400000000n], [5n, -0x20n, 0x500000000n], [6n, -0x20n, 0x600000000n], [7n, -0x20n, 0x700000000n], [8n, -0x20n, 0x800000000n], [9n, -0x20n, 0x900000000n], [0x7ffffffen, -0x20n, 0x7ffffffe00000000n], [0x7fffffffn, -0x20n, 0x7fffffff00000000n], [-1n, -0x3fn, -0x8000000000000000n], [0n, -0x3fn, 0n], [0n, -0x40n, 0n], ]; // Cases not covered above. tests.push( // Positive shift with sign-bit set when interpreted as pointer-sized value (32-bit). [-1n, 0xf000_0000n, -1n], [0n, 0xf000_0000n, 0n], [1n, 0xf000_0000n, 0n], ); function f(tests) { for (let test of tests) { let lhs = test[0], rhs = test[1], expected = test[2]; assertEq(BigInt.asIntN(64, lhs), lhs); assertEq(BigInt.asIntN(64, rhs), rhs); assertEq(BigInt.asIntN(64, expected), expected); assertEq(lhs >> rhs, expected); } } for (let i = 0; i < 10; ++i) { f(tests); }