From 03b4d4ac98d148a44b73aa88baa31aac3237cf75 Mon Sep 17 00:00:00 2001
From: Marcin Kolny <mkolny@amazon.com>
Date: Mon, 20 Nov 2023 11:55:37 +0000
Subject: [PATCH] Add tests for sock_shutdown() API

According to the specification [1] the API should behave similarly to the POSIX one, therefore expecting specific errno codes

https://github.com/WebAssembly/WASI/blob/2980bb39e1d2a4a2adae4748908cb4325cd41a26/legacy/preview1/docs.md#sock_shutdown
---
 tests/c/testsuite/sock_shutdown-invalid_fd.c | 13 +++++++++++++
 tests/c/testsuite/sock_shutdown-not_sock.c   | 12 ++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 tests/c/testsuite/sock_shutdown-invalid_fd.c
 create mode 100644 tests/c/testsuite/sock_shutdown-not_sock.c

diff --git a/tests/c/testsuite/sock_shutdown-invalid_fd.c b/tests/c/testsuite/sock_shutdown-invalid_fd.c
new file mode 100644
index 00000000..8680f86f
--- /dev/null
+++ b/tests/c/testsuite/sock_shutdown-invalid_fd.c
@@ -0,0 +1,13 @@
+#include <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+
+int main() {
+  int fd = 3;
+  assert(shutdown(fd, SHUT_RD) != 0);
+  assert(errno == EBADF);
+
+  return EXIT_SUCCESS;
+}
diff --git a/tests/c/testsuite/sock_shutdown-not_sock.c b/tests/c/testsuite/sock_shutdown-not_sock.c
new file mode 100644
index 00000000..e3a3e873
--- /dev/null
+++ b/tests/c/testsuite/sock_shutdown-not_sock.c
@@ -0,0 +1,12 @@
+#include <assert.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+int main() {
+  assert(shutdown(STDOUT_FILENO, SHUT_RD) != 0);
+  assert(errno == ENOTSOCK);
+
+  return EXIT_SUCCESS;
+}