absvsi2_test.zig (1046B) - Raw
1 const testing = @import("std").testing; 2 3 const __absvsi2 = @import("absvsi2.zig").__absvsi2; 4 5 fn test__absvsi2(a: i32, expected: i32) !void { 6 const result = __absvsi2(a); 7 try testing.expectEqual(expected, result); 8 } 9 10 test "absvsi2" { 11 // -2^31 <= i32 <= 2^31-1 12 // 2^31 = 2147483648 13 // 2^31-1 = 2147483647 14 // TODO write panic handler for testing panics 15 //try test__absvsi2(-2147483648, -5); // tested with return -5; and panic 16 try test__absvsi2(-2147483647, 2147483647); 17 try test__absvsi2(-2147483646, 2147483646); 18 try test__absvsi2(-2147483645, 2147483645); 19 try test__absvsi2(-2147483644, 2147483644); 20 try test__absvsi2(-42, 42); 21 try test__absvsi2(-7, 7); 22 try test__absvsi2(-1, 1); 23 try test__absvsi2(0, 0); 24 try test__absvsi2(1, 1); 25 try test__absvsi2(7, 7); 26 try test__absvsi2(42, 42); 27 try test__absvsi2(2147483644, 2147483644); 28 try test__absvsi2(2147483645, 2147483645); 29 try test__absvsi2(2147483646, 2147483646); 30 try test__absvsi2(2147483647, 2147483647); 31 }