jimzah/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2024-12-04 02:48:50 +00:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

test for readIntBE/LE

Browse Source
This commit is contained in:
Josh Wolfe 2018-11-14 21:40:53 -05:00
parent 8008ae470e
commit 65cddc5a19
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
std/mem.zig
View File

@ -468,6 +468,26 @@ pub fn readIntLE(comptime T: type, bytes: []const u8) T {
return result;
}
test "readIntBE/LE" {
assert(readIntBE(u0, []u8{}) == 0x0);
assert(readIntLE(u0, []u8{}) == 0x0);
assert(readIntBE(u8, []u8{0x32}) == 0x32);
assert(readIntLE(u8, []u8{0x12}) == 0x12);
assert(readIntBE(u16, []u8{0x12, 0x34}) == 0x1234);
assert(readIntLE(u16, []u8{0x12, 0x34}) == 0x3412);
assert(readIntBE(u72, []u8{ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x24 }) == 0x123456789abcdef024);
assert(readIntLE(u72, []u8{ 0xec, 0x10, 0x32, 0x54, 0x76, 0x98, 0xba, 0xdc, 0xfe }) == 0xfedcba9876543210ec);
assert(readIntBE(i8, []u8{0xff}) == -1);
assert(readIntLE(i8, []u8{0xfe}) == -2);
assert(readIntBE(i16, []u8{0xff, 0xfd}) == -3);
assert(readIntLE(i16, []u8{0xfc, 0xff}) == -4);
}
/// Writes an integer to memory with size equal to bytes.len. Pads with zeroes
/// to fill the entire buffer provided.
/// value must be an integer.