zig/lib/compiler_rt/bswapdi2_test.zig
2023-11-19 09:55:07 +00:00

22 lines
1.0 KiB
Zig

const bswap = @import("bswap.zig");
const testing = @import("std").testing;
fn test__bswapdi2(a: u64, expected: u64) !void {
const result = bswap.__bswapdi2(a);
try testing.expectEqual(expected, result);
}
test "bswapdi2" {
try test__bswapdi2(0x0123456789abcdef, 0xefcdab8967452301); // 0..f
try test__bswapdi2(0xefcdab8967452301, 0x0123456789abcdef);
try test__bswapdi2(0x89abcdef01234567, 0x67452301efcdab89); // 8..f0..7
try test__bswapdi2(0x67452301efcdab89, 0x89abcdef01234567);
try test__bswapdi2(0xdeadbeefdeadbeef, 0xefbeaddeefbeadde); // deadbeefdeadbeef
try test__bswapdi2(0xefbeaddeefbeadde, 0xdeadbeefdeadbeef);
try test__bswapdi2(0xdeadfacedeadface, 0xcefaaddecefaadde); // deadfacedeadface
try test__bswapdi2(0xcefaaddecefaadde, 0xdeadfacedeadface);
try test__bswapdi2(0xaaaaaaaaaaaaaaaa, 0xaaaaaaaaaaaaaaaa); // uninitialized memory
try test__bswapdi2(0x0000000000000000, 0x0000000000000000); // 0s
try test__bswapdi2(0xffffffffffffffff, 0xffffffffffffffff); // fs
}