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| author | kristopher tate <kris.tate+github@gmail.com> | 2018-08-23 09:03:02 +0900 |
|---|---|---|
| committer | kristopher tate <kris.tate+github@gmail.com> | 2018-08-23 09:03:02 +0900 |
| commit | e95345b3dce204c4c463294b3dfdb09f9f6d9795 (patch) | |
| tree | 6bac6ca779a392c5fec4dcf29f18608763d6ddab | |
| parent | 4b68ef45af54abd7ba56878f93132ca608891cf1 (diff) | |
| download | zig-e95345b3dce204c4c463294b3dfdb09f9f6d9795.tar.gz zig-e95345b3dce204c4c463294b3dfdb09f9f6d9795.zip | |
std/mem.zig: test writing u64 integers;
| -rw-r--r-- | std/mem.zig | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/std/mem.zig b/std/mem.zig index 1ba5b3b73e..4390f8ad5b 100644 --- a/std/mem.zig +++ b/std/mem.zig @@ -679,10 +679,38 @@ test "testWriteInt" { comptime testWriteIntImpl(); } fn testWriteIntImpl() void { - var bytes: [4]u8 = undefined; + var bytes: [8]u8 = undefined; + + writeInt(bytes[0..], u64(0x12345678CAFEBABE), builtin.Endian.Big); + assert(eql(u8, bytes, []u8{ + 0x12, + 0x34, + 0x56, + 0x78, + 0xCA, + 0xFE, + 0xBA, + 0xBE, + })); + + writeInt(bytes[0..], u64(0xBEBAFECA78563412), builtin.Endian.Little); + assert(eql(u8, bytes, []u8{ + 0x12, + 0x34, + 0x56, + 0x78, + 0xCA, + 0xFE, + 0xBA, + 0xBE, + })); writeInt(bytes[0..], u32(0x12345678), builtin.Endian.Big); assert(eql(u8, bytes, []u8{ + 0x00, + 0x00, + 0x00, + 0x00, 0x12, 0x34, 0x56, @@ -695,12 +723,20 @@ fn testWriteIntImpl() void { 0x34, 0x56, 0x78, + 0x00, + 0x00, + 0x00, + 0x00, })); writeInt(bytes[0..], u16(0x1234), builtin.Endian.Big); assert(eql(u8, bytes, []u8{ 0x00, 0x00, + 0x00, + 0x00, + 0x00, + 0x00, 0x12, 0x34, })); @@ -711,6 +747,10 @@ fn testWriteIntImpl() void { 0x12, 0x00, 0x00, + 0x00, + 0x00, + 0x00, + 0x00, })); } |