master
  1const cmp = @import("cmp.zig");
  2const testing = @import("std").testing;
  3
  4fn test__cmpti2(a: i128, b: i128, expected: i128) !void {
  5    const result = cmp.__cmpti2(a, b);
  6    try testing.expectEqual(expected, result);
  7}
  8
  9test "cmpti2" {
 10    // minInt == -170141183460469231731687303715884105728
 11    // maxInt == 170141183460469231731687303715884105727
 12    // minInt/2 == -85070591730234615865843651857942052864
 13    // maxInt/2 == 85070591730234615865843651857942052863
 14    // 1. equality minInt, minInt+1, minInt/2, 0, maxInt/2, maxInt-1, maxInt
 15    try test__cmpti2(-170141183460469231731687303715884105728, -170141183460469231731687303715884105728, 1);
 16    try test__cmpti2(-170141183460469231731687303715884105727, -170141183460469231731687303715884105727, 1);
 17    try test__cmpti2(-85070591730234615865843651857942052864, -85070591730234615865843651857942052864, 1);
 18    try test__cmpti2(-1, -1, 1);
 19    try test__cmpti2(0, 0, 1);
 20    try test__cmpti2(1, 1, 1);
 21    try test__cmpti2(85070591730234615865843651857942052863, 85070591730234615865843651857942052863, 1);
 22    try test__cmpti2(170141183460469231731687303715884105726, 170141183460469231731687303715884105726, 1);
 23    try test__cmpti2(170141183460469231731687303715884105727, 170141183460469231731687303715884105727, 1);
 24    // 2. cmp minInt,   {        minInt + 1, minInt/2, -1,0,1, maxInt/2, maxInt-1, maxInt}
 25    try test__cmpti2(-170141183460469231731687303715884105728, -170141183460469231731687303715884105727, 0);
 26    try test__cmpti2(-170141183460469231731687303715884105728, -85070591730234615865843651857942052864, 0);
 27    try test__cmpti2(-170141183460469231731687303715884105728, -1, 0);
 28    try test__cmpti2(-170141183460469231731687303715884105728, 0, 0);
 29    try test__cmpti2(-170141183460469231731687303715884105728, 1, 0);
 30    try test__cmpti2(-170141183460469231731687303715884105728, 85070591730234615865843651857942052863, 0);
 31    try test__cmpti2(-170141183460469231731687303715884105728, 170141183460469231731687303715884105726, 0);
 32    try test__cmpti2(-170141183460469231731687303715884105728, 170141183460469231731687303715884105727, 0);
 33    // 3. cmp minInt+1, {minInt,             minInt/2, -1,0,1, maxInt/2, maxInt-1, maxInt}
 34    try test__cmpti2(-170141183460469231731687303715884105727, -170141183460469231731687303715884105728, 2);
 35    try test__cmpti2(-170141183460469231731687303715884105727, -85070591730234615865843651857942052864, 0);
 36    try test__cmpti2(-170141183460469231731687303715884105727, -1, 0);
 37    try test__cmpti2(-170141183460469231731687303715884105727, 0, 0);
 38    try test__cmpti2(-170141183460469231731687303715884105727, 1, 0);
 39    try test__cmpti2(-170141183460469231731687303715884105727, 85070591730234615865843651857942052863, 0);
 40    try test__cmpti2(-170141183460469231731687303715884105727, 170141183460469231731687303715884105726, 0);
 41    try test__cmpti2(-170141183460469231731687303715884105727, 170141183460469231731687303715884105727, 0);
 42    // 4. cmp minInt/2, {minInt, minInt + 1,           -1,0,1, maxInt/2, maxInt-1, maxInt}
 43    try test__cmpti2(-85070591730234615865843651857942052864, -170141183460469231731687303715884105728, 2);
 44    try test__cmpti2(-85070591730234615865843651857942052864, -170141183460469231731687303715884105727, 2);
 45    try test__cmpti2(-85070591730234615865843651857942052864, -1, 0);
 46    try test__cmpti2(-85070591730234615865843651857942052864, 0, 0);
 47    try test__cmpti2(-85070591730234615865843651857942052864, 1, 0);
 48    try test__cmpti2(-85070591730234615865843651857942052864, 85070591730234615865843651857942052863, 0);
 49    try test__cmpti2(-85070591730234615865843651857942052864, 170141183460469231731687303715884105726, 0);
 50    try test__cmpti2(-85070591730234615865843651857942052864, 170141183460469231731687303715884105727, 0);
 51    // 5. cmp -1,       {minInt, minInt + 1, minInt/2,    0,1, maxInt/2, maxInt-1, maxInt}
 52    try test__cmpti2(-1, -170141183460469231731687303715884105728, 2);
 53    try test__cmpti2(-1, -170141183460469231731687303715884105727, 2);
 54    try test__cmpti2(-1, -85070591730234615865843651857942052864, 2);
 55    try test__cmpti2(-1, 0, 0);
 56    try test__cmpti2(-1, 1, 0);
 57    try test__cmpti2(-1, 85070591730234615865843651857942052863, 0);
 58    try test__cmpti2(-1, 170141183460469231731687303715884105726, 0);
 59    try test__cmpti2(-1, 170141183460469231731687303715884105727, 0);
 60    // 6. cmp 0,        {minInt, minInt + 1, minInt/2, -1,  1, maxInt/2, maxInt-1, maxInt}
 61    try test__cmpti2(0, -170141183460469231731687303715884105728, 2);
 62    try test__cmpti2(0, -170141183460469231731687303715884105727, 2);
 63    try test__cmpti2(0, -85070591730234615865843651857942052864, 2);
 64    try test__cmpti2(0, -1, 2);
 65    try test__cmpti2(0, 1, 0);
 66    try test__cmpti2(0, 85070591730234615865843651857942052863, 0);
 67    try test__cmpti2(0, 170141183460469231731687303715884105726, 0);
 68    try test__cmpti2(0, 170141183460469231731687303715884105727, 0);
 69    // 7. cmp 1,        {minInt, minInt + 1, minInt/2, -1,0,   maxInt/2, maxInt-1, maxInt}
 70    try test__cmpti2(1, -170141183460469231731687303715884105728, 2);
 71    try test__cmpti2(1, -170141183460469231731687303715884105727, 2);
 72    try test__cmpti2(1, -85070591730234615865843651857942052864, 2);
 73    try test__cmpti2(1, -1, 2);
 74    try test__cmpti2(1, 0, 2);
 75    try test__cmpti2(1, 85070591730234615865843651857942052863, 0);
 76    try test__cmpti2(1, 170141183460469231731687303715884105726, 0);
 77    try test__cmpti2(1, 170141183460469231731687303715884105727, 0);
 78    // 8. cmp maxInt/2, {minInt, minInt + 1, minInt/2, -1,0,1,           maxInt-1, maxInt}
 79    try test__cmpti2(85070591730234615865843651857942052863, -170141183460469231731687303715884105728, 2);
 80    try test__cmpti2(85070591730234615865843651857942052863, -170141183460469231731687303715884105727, 2);
 81    try test__cmpti2(85070591730234615865843651857942052863, -85070591730234615865843651857942052864, 2);
 82    try test__cmpti2(85070591730234615865843651857942052863, -1, 2);
 83    try test__cmpti2(85070591730234615865843651857942052863, 0, 2);
 84    try test__cmpti2(85070591730234615865843651857942052863, 1, 2);
 85    try test__cmpti2(85070591730234615865843651857942052863, 170141183460469231731687303715884105726, 0);
 86    try test__cmpti2(85070591730234615865843651857942052863, 170141183460469231731687303715884105727, 0);
 87    // 9. cmp maxInt-1, {minInt, minInt + 1, minInt/2, -1,0,1, maxInt/2,           maxInt}
 88    try test__cmpti2(170141183460469231731687303715884105726, -170141183460469231731687303715884105728, 2);
 89    try test__cmpti2(170141183460469231731687303715884105726, -170141183460469231731687303715884105727, 2);
 90    try test__cmpti2(170141183460469231731687303715884105726, -85070591730234615865843651857942052864, 2);
 91    try test__cmpti2(170141183460469231731687303715884105726, -1, 2);
 92    try test__cmpti2(170141183460469231731687303715884105726, 0, 2);
 93    try test__cmpti2(170141183460469231731687303715884105726, 1, 2);
 94    try test__cmpti2(170141183460469231731687303715884105726, 85070591730234615865843651857942052863, 2);
 95    try test__cmpti2(170141183460469231731687303715884105726, 170141183460469231731687303715884105727, 0);
 96    // 10.cmp maxInt,   {minInt, minInt + 1, minInt/2, -1,0,1, maxInt/2, maxInt-1,       }
 97    try test__cmpti2(170141183460469231731687303715884105727, -170141183460469231731687303715884105728, 2);
 98    try test__cmpti2(170141183460469231731687303715884105727, -170141183460469231731687303715884105727, 2);
 99    try test__cmpti2(170141183460469231731687303715884105727, -85070591730234615865843651857942052864, 2);
100    try test__cmpti2(170141183460469231731687303715884105727, -1, 2);
101    try test__cmpti2(170141183460469231731687303715884105727, 0, 2);
102    try test__cmpti2(170141183460469231731687303715884105727, 1, 2);
103    try test__cmpti2(170141183460469231731687303715884105727, 85070591730234615865843651857942052863, 2);
104    try test__cmpti2(170141183460469231731687303715884105727, 170141183460469231731687303715884105726, 2);
105}