bigint-sub-32.js (2563B)
1 const tests = [ 2 [-0x80000000n, -2n, -0x7ffffffen], 3 [-0x7fffffffn, -2n, -0x7ffffffdn], 4 [-0x7ffffffen, -2n, -0x7ffffffcn], 5 [-2n, -2n, 0n], 6 [-1n, -2n, 1n], 7 [0n, -2n, 2n], 8 [1n, -2n, 3n], 9 [2n, -2n, 4n], 10 [-0x80000000n, -1n, -0x7fffffffn], 11 [-0x7fffffffn, -1n, -0x7ffffffen], 12 [-0x7ffffffen, -1n, -0x7ffffffdn], 13 [-2n, -1n, -1n], 14 [-1n, -1n, 0n], 15 [0n, -1n, 1n], 16 [1n, -1n, 2n], 17 [2n, -1n, 3n], 18 [0x7ffffffen, -1n, 0x7fffffffn], 19 [-0x80000000n, 0n, -0x80000000n], 20 [-0x7fffffffn, 0n, -0x7fffffffn], 21 [-0x7ffffffen, 0n, -0x7ffffffen], 22 [-2n, 0n, -2n], 23 [-1n, 0n, -1n], 24 [0n, 0n, 0n], 25 [1n, 0n, 1n], 26 [2n, 0n, 2n], 27 [0x7ffffffen, 0n, 0x7ffffffen], 28 [0x7fffffffn, 0n, 0x7fffffffn], 29 [-0x7fffffffn, 1n, -0x80000000n], 30 [-0x7ffffffen, 1n, -0x7fffffffn], 31 [-2n, 1n, -3n], 32 [-1n, 1n, -2n], 33 [0n, 1n, -1n], 34 [1n, 1n, 0n], 35 [2n, 1n, 1n], 36 [0x7ffffffen, 1n, 0x7ffffffdn], 37 [0x7fffffffn, 1n, 0x7ffffffen], 38 [-0x7ffffffen, 2n, -0x80000000n], 39 [-2n, 2n, -4n], 40 [-1n, 2n, -3n], 41 [0n, 2n, -2n], 42 [1n, 2n, -1n], 43 [2n, 2n, 0n], 44 [0x7ffffffen, 2n, 0x7ffffffcn], 45 [0x7fffffffn, 2n, 0x7ffffffdn], 46 [-2n, 0x7ffffffen, -0x80000000n], 47 [-1n, 0x7ffffffen, -0x7fffffffn], 48 [0n, 0x7ffffffen, -0x7ffffffen], 49 [1n, 0x7ffffffen, -0x7ffffffdn], 50 [2n, 0x7ffffffen, -0x7ffffffcn], 51 [0x7ffffffen, 0x7ffffffen, 0n], 52 [0x7fffffffn, 0x7ffffffen, 1n], 53 [-1n, 0x7fffffffn, -0x80000000n], 54 [0n, 0x7fffffffn, -0x7fffffffn], 55 [1n, 0x7fffffffn, -0x7ffffffen], 56 [2n, 0x7fffffffn, -0x7ffffffdn], 57 [0x7ffffffen, 0x7fffffffn, -1n], 58 [0x7fffffffn, 0x7fffffffn, 0n], 59 [-0x80000000n, -0x80000000n, 0n], 60 [-0x7fffffffn, -0x80000000n, 1n], 61 [-0x7ffffffen, -0x80000000n, 2n], 62 [-2n, -0x80000000n, 0x7ffffffen], 63 [-1n, -0x80000000n, 0x7fffffffn], 64 [-0x80000000n, -0x7fffffffn, -1n], 65 [-0x7fffffffn, -0x7fffffffn, 0n], 66 [-0x7ffffffen, -0x7fffffffn, 1n], 67 [-2n, -0x7fffffffn, 0x7ffffffdn], 68 [-1n, -0x7fffffffn, 0x7ffffffen], 69 [0n, -0x7fffffffn, 0x7fffffffn], 70 [-0x80000000n, -0x7ffffffen, -2n], 71 [-0x7fffffffn, -0x7ffffffen, -1n], 72 [-0x7ffffffen, -0x7ffffffen, 0n], 73 [-2n, -0x7ffffffen, 0x7ffffffcn], 74 [-1n, -0x7ffffffen, 0x7ffffffdn], 75 [0n, -0x7ffffffen, 0x7ffffffen], 76 [1n, -0x7ffffffen, 0x7fffffffn], 77 ]; 78 79 function f(tests) { 80 for (let test of tests) { 81 let lhs = test[0], rhs = test[1], expected = test[2]; 82 assertEq(BigInt.asIntN(32, lhs), lhs); 83 assertEq(BigInt.asIntN(32, rhs), rhs); 84 assertEq(BigInt.asIntN(32, expected), expected); 85 86 assertEq(lhs - rhs, expected); 87 } 88 } 89 90 for (let i = 0; i < 10; ++i) { 91 f(tests); 92 }