netdev - [PATCH v2 net 5/6] selftest: tcp: Move expected_errno into each test case in bind

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Date: Mon, 11 Sep 2023 11:36:59 -0700
From: Kuniyuki Iwashima <kuniyu@...zon.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, David Ahern <dsahern@...nel.org>
CC: Joanne Koong <joannelkoong@...il.com>, Kuniyuki Iwashima
	<kuniyu@...zon.com>, Kuniyuki Iwashima <kuni1840@...il.com>,
	<netdev@...r.kernel.org>
Subject: [PATCH v2 net 5/6] selftest: tcp: Move expected_errno into each test case in bind_wildcard.c.

This is a preparation patch for the following patch.

Let's define expected_errno in each test case so that we can add other test
cases easily.

Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
 tools/testing/selftests/net/bind_wildcard.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/net/bind_wildcard.c b/tools/testing/selftests/net/bind_wildcard.c
index e7ebe72e879d..81f694536099 100644
--- a/tools/testing/selftests/net/bind_wildcard.c
+++ b/tools/testing/selftests/net/bind_wildcard.c
@@ -10,37 +10,41 @@ FIXTURE(bind_wildcard)
 {
 	struct sockaddr_in addr4;
 	struct sockaddr_in6 addr6;
-	int expected_errno;
 };
 
 FIXTURE_VARIANT(bind_wildcard)
 {
 	const __u32 addr4_const;
 	const struct in6_addr *addr6_const;
+	int expected_errno;
 };
 
 FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_any)
 {
 	.addr4_const = INADDR_ANY,
 	.addr6_const = &in6addr_any,
+	.expected_errno = EADDRINUSE,
 };
 
 FIXTURE_VARIANT_ADD(bind_wildcard, v4_any_v6_local)
 {
 	.addr4_const = INADDR_ANY,
 	.addr6_const = &in6addr_loopback,
+	.expected_errno = 0,
 };
 
 FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_any)
 {
 	.addr4_const = INADDR_LOOPBACK,
 	.addr6_const = &in6addr_any,
+	.expected_errno = EADDRINUSE,
 };
 
 FIXTURE_VARIANT_ADD(bind_wildcard, v4_local_v6_local)
 {
 	.addr4_const = INADDR_LOOPBACK,
 	.addr6_const = &in6addr_loopback,
+	.expected_errno = 0,
 };
 
 FIXTURE_SETUP(bind_wildcard)
@@ -52,11 +56,6 @@ FIXTURE_SETUP(bind_wildcard)
 	self->addr6.sin6_family = AF_INET6;
 	self->addr6.sin6_port = htons(0);
 	self->addr6.sin6_addr = *variant->addr6_const;
-
-	if (variant->addr6_const == &in6addr_any)
-		self->expected_errno = EADDRINUSE;
-	else
-		self->expected_errno = 0;
 }
 
 FIXTURE_TEARDOWN(bind_wildcard)
@@ -65,6 +64,7 @@ FIXTURE_TEARDOWN(bind_wildcard)
 
 void bind_sockets(struct __test_metadata *_metadata,
 		  FIXTURE_DATA(bind_wildcard) *self,
+		  int expected_errno,
 		  struct sockaddr *addr1, socklen_t addrlen1,
 		  struct sockaddr *addr2, socklen_t addrlen2)
 {
@@ -86,9 +86,9 @@ void bind_sockets(struct __test_metadata *_metadata,
 	ASSERT_GT(fd[1], 0);
 
 	ret = bind(fd[1], addr2, addrlen2);
-	if (self->expected_errno) {
+	if (expected_errno) {
 		ASSERT_EQ(ret, -1);
-		ASSERT_EQ(errno, self->expected_errno);
+		ASSERT_EQ(errno, expected_errno);
 	} else {
 		ASSERT_EQ(ret, 0);
 	}
@@ -99,14 +99,14 @@ void bind_sockets(struct __test_metadata *_metadata,
 
 TEST_F(bind_wildcard, v4_v6)
 {
-	bind_sockets(_metadata, self,
+	bind_sockets(_metadata, self, variant->expected_errno,
 		     (struct sockaddr *)&self->addr4, sizeof(self->addr4),
 		     (struct sockaddr *)&self->addr6, sizeof(self->addr6));
 }
 
 TEST_F(bind_wildcard, v6_v4)
 {
-	bind_sockets(_metadata, self,
+	bind_sockets(_metadata, self, variant->expected_errno,
 		     (struct sockaddr *)&self->addr6, sizeof(self->addr6),
 		     (struct sockaddr *)&self->addr4, sizeof(self->addr4));
 }
-- 
2.30.2