tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bigint-neg-64-fold.js (1139B)

      1 const tests = [
      2  [-0x7fffffffffffffffn, 0x7fffffffffffffffn],
      3  [-0x7ffffffffffffffen, 0x7ffffffffffffffen],
      4  [-0x100000001n, 0x100000001n],
      5  [-0x100000000n, 0x100000000n],
      6  [-0xffffffffn, 0xffffffffn],
      7  [-0xfffffffen, 0xfffffffen],
      8  [-0x80000001n, 0x80000001n],
      9  [-0x80000000n, 0x80000000n],
     10  [-0x7fffffffn, 0x7fffffffn],
     11  [-0x7ffffffen, 0x7ffffffen],
     12  [-2n, 2n],
     13  [-1n, 1n],
     14  [0n, 0n],
     15  [1n, -1n],
     16  [2n, -2n],
     17  [0x7ffffffen, -0x7ffffffen],
     18  [0x7fffffffn, -0x7fffffffn],
     19  [0x80000000n, -0x80000000n],
     20  [0x80000001n, -0x80000001n],
     21  [0xfffffffen, -0xfffffffen],
     22  [0xffffffffn, -0xffffffffn],
     23  [0x100000000n, -0x100000000n],
     24  [0x100000001n, -0x100000001n],
     25  [0x7ffffffffffffffen, -0x7ffffffffffffffen],
     26  [0x7fffffffffffffffn, -0x7fffffffffffffffn],
     27 ];
     28 
     29 function f(tests) {
     30  for (let test of tests) {
     31    let input = test[0], expected = test[1];
     32    assertEq(BigInt.asIntN(64, input), input);
     33    assertEq(BigInt.asIntN(64, expected), expected);
     34 
     35    let f = Function(`
     36      let input = ${input}n;
     37      assertEq(-input, ${expected}n);
     38    `);
     39 
     40    for (let j = 0; j < 100; ++j) {
     41      f();
     42    }
     43  }
     44 }
     45 
     46 f(tests);