zig/lib/compiler_rt/bswapti2_test.zig
2023-11-19 09:55:07 +00:00

22 lines
1.4 KiB
Zig

const bswap = @import("bswap.zig");
const testing = @import("std").testing;
fn test__bswapti2(a: u128, expected: u128) !void {
const result = bswap.__bswapti2(a);
try testing.expectEqual(expected, result);
}
test "bswapti2" {
try test__bswapti2(0x0123456789abcdef0123456789abcdef, 0xefcdab8967452301efcdab8967452301); // 0..f
try test__bswapti2(0xefcdab8967452301efcdab8967452301, 0x0123456789abcdef0123456789abcdef);
try test__bswapti2(0x89abcdef0123456789abcdef01234567, 0x67452301efcdab8967452301efcdab89); // 8..f0..7
try test__bswapti2(0x67452301efcdab8967452301efcdab89, 0x89abcdef0123456789abcdef01234567);
try test__bswapti2(0xdeadbeefdeadbeefdeadbeefdeadbeef, 0xefbeaddeefbeaddeefbeaddeefbeadde); // deadbeefdeadbeef
try test__bswapti2(0xefbeaddeefbeaddeefbeaddeefbeadde, 0xdeadbeefdeadbeefdeadbeefdeadbeef);
try test__bswapti2(0xdeadfacedeadfacedeadfacedeadface, 0xcefaaddecefaaddecefaaddecefaadde); // deadfacedeadface
try test__bswapti2(0xcefaaddecefaaddecefaaddecefaadde, 0xdeadfacedeadfacedeadfacedeadface);
try test__bswapti2(0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa); // uninitialized memory
try test__bswapti2(0x00000000000000000000000000000000, 0x00000000000000000000000000000000); // 0s
try test__bswapti2(0xffffffffffffffffffffffffffffffff, 0xffffffffffffffffffffffffffffffff); // fs
}