bigint-add-32.js (1536B)
1 const tests = [ 2 [-0x7ffffffen, -2n, -0x80000000n], 3 [-2n, -2n, -4n], 4 [-1n, -2n, -3n], 5 [0n, -2n, -2n], 6 [1n, -2n, -1n], 7 [2n, -2n, 0n], 8 [0x7ffffffen, -2n, 0x7ffffffcn], 9 [0x7fffffffn, -2n, 0x7ffffffdn], 10 [-0x7fffffffn, -1n, -0x80000000n], 11 [-0x7ffffffen, -1n, -0x7fffffffn], 12 [-1n, -1n, -2n], 13 [0n, -1n, -1n], 14 [1n, -1n, 0n], 15 [2n, -1n, 1n], 16 [0x7ffffffen, -1n, 0x7ffffffdn], 17 [0x7fffffffn, -1n, 0x7ffffffen], 18 [-0x80000000n, 0n, -0x80000000n], 19 [-0x7fffffffn, 0n, -0x7fffffffn], 20 [-0x7ffffffen, 0n, -0x7ffffffen], 21 [0n, 0n, 0n], 22 [1n, 0n, 1n], 23 [2n, 0n, 2n], 24 [0x7ffffffen, 0n, 0x7ffffffen], 25 [0x7fffffffn, 0n, 0x7fffffffn], 26 [-0x80000000n, 1n, -0x7fffffffn], 27 [-0x7fffffffn, 1n, -0x7ffffffen], 28 [-0x7ffffffen, 1n, -0x7ffffffdn], 29 [1n, 1n, 2n], 30 [2n, 1n, 3n], 31 [0x7ffffffen, 1n, 0x7fffffffn], 32 [-0x80000000n, 2n, -0x7ffffffen], 33 [-0x7fffffffn, 2n, -0x7ffffffdn], 34 [-0x7ffffffen, 2n, -0x7ffffffcn], 35 [2n, 2n, 4n], 36 [-0x80000000n, 0x7ffffffen, -2n], 37 [-0x7fffffffn, 0x7ffffffen, -1n], 38 [-0x7ffffffen, 0x7ffffffen, 0n], 39 [-0x80000000n, 0x7fffffffn, -1n], 40 [-0x7fffffffn, 0x7fffffffn, 0n], 41 [-0x7ffffffen, 0x7fffffffn, 1n], 42 ]; 43 44 function f(tests) { 45 for (let test of tests) { 46 let lhs = test[0], rhs = test[1], expected = test[2]; 47 assertEq(BigInt.asIntN(32, lhs), lhs); 48 assertEq(BigInt.asIntN(32, rhs), rhs); 49 assertEq(BigInt.asIntN(32, expected), expected); 50 51 assertEq(lhs + rhs, expected); 52 assertEq(rhs + lhs, expected); 53 } 54 } 55 56 for (let i = 0; i < 10; ++i) { 57 f(tests); 58 }