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From: Alan Maguire <alan.maguire@oracle.com>
To: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org
Cc: kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
	john.fastabend@gmail.com, kpsingh@kernel.org, morbo@google.com,
	shuah@kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org,
	linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org,
	Alan Maguire <alan.maguire@oracle.com>
Subject: [PATCH v5 bpf-next 2/3] selftests/bpf: add ASSERT_STRNEQ() variant for test_progs
Date: Sat, 19 Jun 2021 09:56:07 +0100	[thread overview]
Message-ID: <1624092968-5598-3-git-send-email-alan.maguire@oracle.com> (raw)
In-Reply-To: <1624092968-5598-1-git-send-email-alan.maguire@oracle.com>

It will support strncmp()-style string comparisons.

Suggested-by: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
---
 tools/testing/selftests/bpf/test_progs.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
index 8ef7f33..d2944da 100644
--- a/tools/testing/selftests/bpf/test_progs.h
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -221,6 +221,18 @@ struct test_env {
 	___ok;								\
 })
 
+#define ASSERT_STRNEQ(actual, expected, len, name) ({			\
+	static int duration = 0;					\
+	const char *___act = actual;					\
+	const char *___exp = expected;					\
+	size_t ___len = len;						\
+	bool ___ok = strncmp(___act, ___exp, ___len) == 0;		\
+	CHECK(!___ok, (name),						\
+	      "unexpected %s: actual '%s' != expected '%s'\n",		\
+	      (name), ___act, ___exp);					\
+	___ok;								\
+})
+
 #define ASSERT_OK(res, name) ({						\
 	static int duration = 0;					\
 	long long ___res = (res);					\
-- 
1.8.3.1


  parent reply	other threads:[~2021-06-19  8:56 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-19  8:56 [PATCH v5 bpf-next 0/3] libbpf: BTF dumper support for typed data Alan Maguire
2021-06-19  8:56 ` [PATCH v5 bpf-next 1/3] " Alan Maguire
2021-07-07  1:58   ` Andrii Nakryiko
2021-06-19  8:56 ` Alan Maguire [this message]
2021-07-07  3:32   ` [PATCH v5 bpf-next 2/3] selftests/bpf: add ASSERT_STRNEQ() variant for test_progs Andrii Nakryiko
2021-06-19  8:56 ` [PATCH v5 bpf-next 3/3] selftests/bpf: add dump type data tests to btf dump tests Alan Maguire
2021-07-07  3:51   ` Andrii Nakryiko

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