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Message-ID: <CABVgOSkm349TgYProFFghSrRomU4ZLCAqKzPSufRewtsxUJMVg@mail.gmail.com>
Date: Fri, 21 Jan 2022 15:21:49 +0800
From: David Gow <davidgow@...gle.com>
To: Daniel Latypov <dlatypov@...gle.com>
Cc: Brendan Higgins <brendanhiggins@...gle.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
KUnit Development <kunit-dev@...glegroups.com>,
"open list:KERNEL SELFTEST FRAMEWORK"
<linux-kselftest@...r.kernel.org>,
Shuah Khan <skhan@...uxfoundation.org>
Subject: Re: [PATCH 3/5] kunit: reduce layering in string assertion macros
On Wed, Jan 19, 2022 at 6:35 AM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> The current macro chain looks like:
> KUNIT_EXPECT_STREQ => KUNIT_EXPECT_STREQ_MSG => KUNIT_BINARY_STR_EQ_MSG_ASSERTION => KUNIT_BINARY_STR_ASSERTION.
> KUNIT_ASSERT_STREQ => KUNIT_ASSERT_STREQ_MSG => KUNIT_BINARY_STR_EQ_MSG_ASSERTION => KUNIT_BINARY_STR_ASSERTION.
> <ditto for STR_NE>
>
> After this change:
> KUNIT_EXPECT_STREQ => KUNIT_EXPECT_STREQ_MSG => KUNIT_BINARY_STR_ASSERTION.
> KUNIT_ASSERT_STREQ => KUNIT_ASSERT_STREQ_MSG => KUNIT_BINARY_STR_ASSERTION.
> <ditto for STR_NE>
>
> All the intermediate macro did was pass in "==" or "!=", so it seems
> better to just drop them at the cost of a bit more copy-paste.
>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>
> ---
Agreed, I don't think the copy-paste here is significant enough to
have any real chance of causing problems. This is clearly an
improvement.
Reviewed-by: David Gow <davidgow@...gle.com>
-- David
> include/kunit/test.h | 68 +++++++++++++-------------------------------
> 1 file changed, 20 insertions(+), 48 deletions(-)
>
> diff --git a/include/kunit/test.h b/include/kunit/test.h
> index c021945a75e3..d5dc1ef68bfe 100644
> --- a/include/kunit/test.h
> +++ b/include/kunit/test.h
> @@ -1098,30 +1098,6 @@ do { \
> ##__VA_ARGS__); \
> } while (0)
>
> -#define KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
> - assert_type, \
> - left, \
> - right, \
> - fmt, \
> - ...) \
> - KUNIT_BINARY_STR_ASSERTION(test, \
> - assert_type, \
> - left, ==, right, \
> - fmt, \
> - ##__VA_ARGS__)
> -
> -#define KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
> - assert_type, \
> - left, \
> - right, \
> - fmt, \
> - ...) \
> - KUNIT_BINARY_STR_ASSERTION(test, \
> - assert_type, \
> - left, !=, right, \
> - fmt, \
> - ##__VA_ARGS__)
> -
> #define KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
> assert_type, \
> ptr, \
> @@ -1371,12 +1347,11 @@ do { \
> KUNIT_EXPECT_STREQ_MSG(test, left, right, NULL)
>
> #define KUNIT_EXPECT_STREQ_MSG(test, left, right, fmt, ...) \
> - KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
> - KUNIT_EXPECTATION, \
> - left, \
> - right, \
> - fmt, \
> - ##__VA_ARGS__)
> + KUNIT_BINARY_STR_ASSERTION(test, \
> + KUNIT_EXPECTATION, \
> + left, ==, right, \
> + fmt, \
> + ##__VA_ARGS__)
>
> /**
> * KUNIT_EXPECT_STRNEQ() - Expects that strings @left and @right are not equal.
> @@ -1393,12 +1368,11 @@ do { \
> KUNIT_EXPECT_STRNEQ_MSG(test, left, right, NULL)
>
> #define KUNIT_EXPECT_STRNEQ_MSG(test, left, right, fmt, ...) \
> - KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
> - KUNIT_EXPECTATION, \
> - left, \
> - right, \
> - fmt, \
> - ##__VA_ARGS__)
> + KUNIT_BINARY_STR_ASSERTION(test, \
> + KUNIT_EXPECTATION, \
> + left, !=, right, \
> + fmt, \
> + ##__VA_ARGS__)
>
> /**
> * KUNIT_EXPECT_NOT_ERR_OR_NULL() - Expects that @ptr is not null and not err.
> @@ -1648,12 +1622,11 @@ do { \
> KUNIT_ASSERT_STREQ_MSG(test, left, right, NULL)
>
> #define KUNIT_ASSERT_STREQ_MSG(test, left, right, fmt, ...) \
> - KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
> - KUNIT_ASSERTION, \
> - left, \
> - right, \
> - fmt, \
> - ##__VA_ARGS__)
> + KUNIT_BINARY_STR_ASSERTION(test, \
> + KUNIT_ASSERTION, \
> + left, ==, right, \
> + fmt, \
> + ##__VA_ARGS__)
>
> /**
> * KUNIT_ASSERT_STRNEQ() - Expects that strings @left and @right are not equal.
> @@ -1670,12 +1643,11 @@ do { \
> KUNIT_ASSERT_STRNEQ_MSG(test, left, right, NULL)
>
> #define KUNIT_ASSERT_STRNEQ_MSG(test, left, right, fmt, ...) \
> - KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
> - KUNIT_ASSERTION, \
> - left, \
> - right, \
> - fmt, \
> - ##__VA_ARGS__)
> + KUNIT_BINARY_STR_ASSERTION(test, \
> + KUNIT_ASSERTION, \
> + left, !=, right, \
> + fmt, \
> + ##__VA_ARGS__)
>
> /**
> * KUNIT_ASSERT_NOT_ERR_OR_NULL() - Assertion that @ptr is not null and not err.
> --
> 2.34.1.703.g22d0c6ccf7-goog
>
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