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negvti2_test.zig (1596B) - Raw

      1 const negv = @import("negv.zig");
      2 const testing = @import("std").testing;
      3 
      4 fn test__negvti2(a: i128, expected: i128) !void {
      5     const result = negv.__negvti2(a);
      6     try testing.expectEqual(expected, result);
      7 }
      8 
      9 test "negvti2" {
     10     // -2^127 <= i128 <= 2^127-1
     11     // 2^127 = 170141183460469231731687303715884105728
     12     // 2^127+1 = 170141183460469231731687303715884105727
     13     // TODO write panic handler for testing panics
     14     //try test__negvti2(-170141183460469231731687303715884105728, -5); // tested with return -5; and panic
     15     try test__negvti2(-170141183460469231731687303715884105727, 170141183460469231731687303715884105727);
     16     try test__negvti2(-170141183460469231731687303715884105726, 170141183460469231731687303715884105726);
     17     try test__negvti2(-170141183460469231731687303715884105725, 170141183460469231731687303715884105725);
     18     try test__negvti2(-170141183460469231731687303715884105724, 170141183460469231731687303715884105724);
     19     try test__negvti2(-42, 42);
     20     try test__negvti2(-7, 7);
     21     try test__negvti2(-1, 1);
     22     try test__negvti2(0, 0);
     23     try test__negvti2(1, -1);
     24     try test__negvti2(7, -7);
     25     try test__negvti2(42, -42);
     26     try test__negvti2(170141183460469231731687303715884105724, -170141183460469231731687303715884105724);
     27     try test__negvti2(170141183460469231731687303715884105725, -170141183460469231731687303715884105725);
     28     try test__negvti2(170141183460469231731687303715884105726, -170141183460469231731687303715884105726);
     29     try test__negvti2(170141183460469231731687303715884105727, -170141183460469231731687303715884105727);
     30 }