const tests = [
  [-0x80000000n, 0n, 1n],
  [-0x7fffffffn, 0n, 1n],
  [-0x7ffffffen, 0n, 1n],
  [-9n, 0n, 1n],
  [-8n, 0n, 1n],
  [-7n, 0n, 1n],
  [-6n, 0n, 1n],
  [-5n, 0n, 1n],
  [-4n, 0n, 1n],
  [-3n, 0n, 1n],
  [-2n, 0n, 1n],
  [-1n, 0n, 1n],
  [0n, 0n, 1n],
  [1n, 0n, 1n],
  [2n, 0n, 1n],
  [3n, 0n, 1n],
  [4n, 0n, 1n],
  [5n, 0n, 1n],
  [6n, 0n, 1n],
  [7n, 0n, 1n],
  [8n, 0n, 1n],
  [9n, 0n, 1n],
  [0x7ffffffen, 0n, 1n],
  [0x7fffffffn, 0n, 1n],
  [-0x80000000n, 1n, -0x80000000n],
  [-0x7fffffffn, 1n, -0x7fffffffn],
  [-0x7ffffffen, 1n, -0x7ffffffen],
  [-9n, 1n, -9n],
  [-8n, 1n, -8n],
  [-7n, 1n, -7n],
  [-6n, 1n, -6n],
  [-5n, 1n, -5n],
  [-4n, 1n, -4n],
  [-3n, 1n, -3n],
  [-2n, 1n, -2n],
  [-1n, 1n, -1n],
  [0n, 1n, 0n],
  [1n, 1n, 1n],
  [2n, 1n, 2n],
  [3n, 1n, 3n],
  [4n, 1n, 4n],
  [5n, 1n, 5n],
  [6n, 1n, 6n],
  [7n, 1n, 7n],
  [8n, 1n, 8n],
  [9n, 1n, 9n],
  [0x7ffffffen, 1n, 0x7ffffffen],
  [0x7fffffffn, 1n, 0x7fffffffn],
  [-9n, 2n, 0x51n],
  [-8n, 2n, 0x40n],
  [-7n, 2n, 0x31n],
  [-6n, 2n, 0x24n],
  [-5n, 2n, 0x19n],
  [-4n, 2n, 0x10n],
  [-3n, 2n, 9n],
  [-2n, 2n, 4n],
  [-1n, 2n, 1n],
  [0n, 2n, 0n],
  [1n, 2n, 1n],
  [2n, 2n, 4n],
  [3n, 2n, 9n],
  [4n, 2n, 0x10n],
  [5n, 2n, 0x19n],
  [6n, 2n, 0x24n],
  [7n, 2n, 0x31n],
  [8n, 2n, 0x40n],
  [9n, 2n, 0x51n],
  [-9n, 3n, -0x2d9n],
  [-8n, 3n, -0x200n],
  [-7n, 3n, -0x157n],
  [-6n, 3n, -0xd8n],
  [-5n, 3n, -0x7dn],
  [-4n, 3n, -0x40n],
  [-3n, 3n, -0x1bn],
  [-2n, 3n, -8n],
  [-1n, 3n, -1n],
  [0n, 3n, 0n],
  [1n, 3n, 1n],
  [2n, 3n, 8n],
  [3n, 3n, 0x1bn],
  [4n, 3n, 0x40n],
  [5n, 3n, 0x7dn],
  [6n, 3n, 0xd8n],
  [7n, 3n, 0x157n],
  [8n, 3n, 0x200n],
  [9n, 3n, 0x2d9n],
  [-9n, 4n, 0x19a1n],
  [-8n, 4n, 0x1000n],
  [-7n, 4n, 0x961n],
  [-6n, 4n, 0x510n],
  [-5n, 4n, 0x271n],
  [-4n, 4n, 0x100n],
  [-3n, 4n, 0x51n],
  [-2n, 4n, 0x10n],
  [-1n, 4n, 1n],
  [0n, 4n, 0n],
  [1n, 4n, 1n],
  [2n, 4n, 0x10n],
  [3n, 4n, 0x51n],
  [4n, 4n, 0x100n],
  [5n, 4n, 0x271n],
  [6n, 4n, 0x510n],
  [7n, 4n, 0x961n],
  [8n, 4n, 0x1000n],
  [9n, 4n, 0x19a1n],
  [-2n, 0x1fn, -0x80000000n],
  [-1n, 0x1fn, -1n],
  [0n, 0x1fn, 0n],
  [1n, 0x1fn, 1n],
  [-1n, 0x20n, 1n],
  [0n, 0x20n, 0n],
  [1n, 0x20n, 1n],
  [-1n, 0x3fn, -1n],
  [0n, 0x3fn, 0n],
  [1n, 0x3fn, 1n],
  [-1n, 0x40n, 1n],
  [0n, 0x40n, 0n],
  [1n, 0x40n, 1n],
];

// Cases not covered above.
tests.push(
  // 0 ** (2**31)
  [0n, 0x7fffffffn, 0n],

  // 1 ** (2**31)
  [1n, 0x7fffffffn, 1n],

  // -1 ** (2**31)
  [-1n, 0x7fffffffn, -1n],
);

function f(tests) {
  for (let test of tests) {
    let lhs = test[0], rhs = test[1], expected = test[2];
    assertEq(BigInt.asIntN(32, lhs), lhs);
    assertEq(BigInt.asIntN(32, rhs), rhs);
    assertEq(BigInt.asIntN(32, expected), expected);

    let f = Function(`
      let lhs = ${lhs}n;
      let rhs = ${rhs}n;
      assertEq(lhs ** rhs, ${expected}n);
    `);

    for (let j = 0; j < 100; ++j) {
      f();
    }
  }
}

f(tests);