Zig 0.17.0-dev (Split by item)

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moreReadIntTests

mem.moreReadIntTests

fn moreReadIntTests() !void

File

lib/std/mem.zig:3659

Code

fn moreReadIntTests() !void {
    {
        const bytes = [_]u8{
            0x12,
            0x34,
            0x56,
            0x78,
        };
        try testing.expect(readInt(u32, &bytes, .big) == 0x12345678);
        try testing.expect(readInt(u32, &bytes, .big) == 0x12345678);
        try testing.expect(readInt(i32, &bytes, .big) == 0x12345678);
        try testing.expect(readInt(u32, &bytes, .little) == 0x78563412);
        try testing.expect(readInt(u32, &bytes, .little) == 0x78563412);
        try testing.expect(readInt(i32, &bytes, .little) == 0x78563412);
    }
    {
        const buf = [_]u8{
            0x00,
            0x00,
            0x12,
            0x34,
        };
        const answer = readInt(u32, &buf, .big);
        try testing.expect(answer == 0x00001234);
    }
    {
        const buf = [_]u8{
            0x12,
            0x34,
            0x00,
            0x00,
        };
        const answer = readInt(u32, &buf, .little);
        try testing.expect(answer == 0x00003412);
    }
    {
        const bytes = [_]u8{
            0xff,
            0xfe,
        };
        try testing.expect(readInt(u16, &bytes, .big) == 0xfffe);
        try testing.expect(readInt(i16, &bytes, .big) == -0x0002);
        try testing.expect(readInt(u16, &bytes, .little) == 0xfeff);
        try testing.expect(readInt(i16, &bytes, .little) == -0x0101);
    }
}