diff --git a/test/unit/pure/dune b/test/unit/pure/dune
index 55efce21..aa035636 100644
--- a/test/unit/pure/dune
+++ b/test/unit/pure/dune
@@ -1,10 +1,12 @@
 (cram
  (deps
    version.exe
+   error.exe
  ))
 
 (executables
  (names
    version
+   error
  )
  (libraries luv))
diff --git a/test/unit/pure/error.ml b/test/unit/pure/error.ml
new file mode 100644
index 00000000..b73e972f
--- /dev/null
+++ b/test/unit/pure/error.ml
@@ -0,0 +1,87 @@
+let () =
+  List.iter (fun error ->
+    Printf.printf "%-20s %s\n"
+      (Luv.Error.err_name error) (Luv.Error.strerror error))
+  [
+    `E2BIG;
+    `EACCES;
+    `EADDRINUSE;
+    `EADDRNOTAVAIL;
+    `EAFNOSUPPORT;
+    `EAGAIN;
+    `EAI_ADDRFAMILY;
+    `EAI_AGAIN;
+    `EAI_BADFLAGS;
+    `EAI_BADHINTS;
+    `EAI_CANCELED;
+    `EAI_FAIL;
+    `EAI_FAMILY;
+    `EAI_MEMORY;
+    `EAI_NODATA;
+    `EAI_NONAME;
+    `EAI_OVERFLOW;
+    `EAI_PROTOCOL;
+    `EAI_SERVICE;
+    `EAI_SOCKTYPE;
+    `EALREADY;
+    `EBADF;
+    `EBUSY;
+    `ECANCELED;
+    `ECONNABORTED;
+    `ECONNREFUSED;
+    `ECONNRESET;
+    `EDESTADDRREQ;
+    `EEXIST;
+    `EFAULT;
+    `EFBIG;
+    `EFTYPE;
+    `EHOSTUNREACH;
+    `EILSEQ;
+    `EINTR;
+    `EINVAL;
+    `EIO;
+    `EISCONN;
+    `EISDIR;
+    `ELOOP;
+    `EMFILE;
+    `EMLINK;
+    `EMSGSIZE;
+    `ENAMETOOLONG;
+    `ENETDOWN;
+    `ENETUNREACH;
+    `ENFILE;
+    `ENOBUFS;
+    `ENODATA;
+    `ENODEV;
+    `ENOENT;
+    `ENOMEM;
+    `ENONET;
+    `ENOPROTOOPT;
+    `ENOSPC;
+    `ENOSYS;
+    `ENOTCONN;
+    `ENOTDIR;
+    `ENOTEMPTY;
+    `ENOTSOCK;
+    `ENOTSUP;
+    `ENOTTY;
+    `ENXIO;
+    `EOF;
+    `EOVERFLOW;
+    `EPERM;
+    `EPIPE;
+    `EPROTO;
+    `EPROTONOSUPPORT;
+    `EPROTOTYPE;
+    `ERANGE;
+    `EROFS;
+    `ESHUTDOWN;
+    `ESOCKTNOSUPPORT;
+    `ESPIPE;
+    `ESRCH;
+    `ETIMEDOUT;
+    `ETXTBSY;
+    `EUNATCH;
+    `EXDEV;
+    `UNKNOWN;
+  ]
diff --git a/test/unit/pure/pure.t b/test/unit/pure/pure.t
index e157d858..4a2eb5e4 100644
--- a/test/unit/pure/pure.t
+++ b/test/unit/pure/pure.t
@@ -5,3 +5,86 @@
   version (): 0x012F00
   is_release: true
   suffix:     ""
+
+  $ dune exec ./error.exe
+  E2BIG                argument list too long
+  EACCES               permission denied
+  EADDRINUSE           address already in use
+  EADDRNOTAVAIL        address not available
+  EAFNOSUPPORT         address family not supported
+  EAGAIN               resource temporarily unavailable
+  EAI_ADDRFAMILY       address family not supported
+  EAI_AGAIN            temporary failure
+  EAI_BADFLAGS         bad ai_flags value
+  EAI_BADHINTS         invalid value for hints
+  EAI_CANCELED         request canceled
+  EAI_FAIL             permanent failure
+  EAI_FAMILY           ai_family not supported
+  EAI_MEMORY           out of memory
+  EAI_NODATA           no address
+  EAI_NONAME           unknown node or service
+  EAI_OVERFLOW         argument buffer overflow
+  EAI_PROTOCOL         resolved protocol is unknown
+  EAI_SERVICE          service not available for socket type
+  EAI_SOCKTYPE         socket type not supported
+  EALREADY             connection already in progress
+  EBADF                bad file descriptor
+  EBUSY                resource busy or locked
+  ECANCELED            operation canceled
+  ECONNABORTED         software caused connection abort
+  ECONNREFUSED         connection refused
+  ECONNRESET           connection reset by peer
+  EDESTADDRREQ         destination address required
+  EEXIST               file already exists
+  EFAULT               bad address in system call argument
+  EFBIG                file too large
+  EFTYPE               inappropriate file type or format
+  EHOSTUNREACH         host is unreachable
+  EILSEQ               illegal byte sequence
+  EINTR                interrupted system call
+  EINVAL               invalid argument
+  EIO                  i/o error
+  EISCONN              socket is already connected
+  EISDIR               illegal operation on a directory
+  ELOOP                too many symbolic links encountered
+  EMFILE               too many open files
+  EMLINK               too many links
+  EMSGSIZE             message too long
+  ENAMETOOLONG         name too long
+  ENETDOWN             network is down
+  ENETUNREACH          network is unreachable
+  ENFILE               file table overflow
+  ENOBUFS              no buffer space available
+  ENODATA              no data available
+  ENODEV               no such device
+  ENOENT               no such file or directory
+  ENOMEM               not enough memory
+  ENONET               machine is not on the network
+  ENOPROTOOPT          protocol not available
+  ENOSPC               no space left on device
+  ENOSYS               function not implemented
+  ENOTCONN             socket is not connected
+  ENOTDIR              not a directory
+  ENOTEMPTY            directory not empty
+  ENOTSOCK             socket operation on non-socket
+  ENOTSUP              operation not supported on socket
+  ENOTTY               inappropriate ioctl for device
+  ENXIO                no such device or address
+  EOF                  end of file
+  EOVERFLOW            value too large for defined data type
+  EPERM                operation not permitted
+  EPIPE                broken pipe
+  EPROTO               protocol error
+  EPROTONOSUPPORT      protocol not supported
+  EPROTOTYPE           protocol wrong type for socket
+  ERANGE               result too large
+  EROFS                read-only file system
+  ESHUTDOWN            cannot send after transport endpoint shutdown
+  ESOCKTNOSUPPORT      socket type not supported
+  ESPIPE               invalid seek
+  ESRCH                no such process
+  ETIMEDOUT            connection timed out
+  ETXTBSY              text file is busy
+  EUNATCH              protocol driver not attached
+  EXDEV                cross-device link not permitted
+  UNKNOWN              unknown error