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Date: Tue, 11 Jan 2022 14:57:13 +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>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 6/6] kunit: drop unused assert_type from kunit_assert and
clean up macros
On Sat, Jan 8, 2022 at 9:23 AM Daniel Latypov <dlatypov@...gle.com> wrote:
>
> This field has been split out from kunit_assert to make the struct less
> heavy along with the filename and line number.
>
> This change drops the assert_type field and cleans up all the macros
> that were plumbing assert_type into kunit_assert.
>
> Signed-off-by: Daniel Latypov <dlatypov@...gle.com>
> ---
Looks good to me. Anything that simplifies these macros is a good
thing, in my opinion.
One minor formatting nitpick below.
Reviewed-by: David Gow <davidgow@...gle.com>
-- David
> include/kunit/assert.h | 46 +++++++++++++-----------------------------
> include/kunit/test.h | 14 +++++--------
> 2 files changed, 19 insertions(+), 41 deletions(-)
>
> diff --git a/include/kunit/assert.h b/include/kunit/assert.h
> index 4f91dbdb886a..21299232c120 100644
> --- a/include/kunit/assert.h
> +++ b/include/kunit/assert.h
> @@ -42,7 +42,6 @@ struct kunit_loc {
>
> /**
> * struct kunit_assert - Data for printing a failed assertion or expectation.
> - * @type: the type (either an expectation or an assertion) of this kunit_assert.
> * @message: an optional message to provide additional context.
> * @format: a function which formats the data in this kunit_assert to a string.
> *
> @@ -50,7 +49,6 @@ struct kunit_loc {
> * format a string to a user reporting the failure.
> */
> struct kunit_assert {
> - enum kunit_assert_type type; // TODO(dlatypov@...gle.com): delete this
> struct va_format message;
> void (*format)(const struct kunit_assert *assert,
> struct string_stream *stream);
> @@ -66,13 +64,11 @@ struct kunit_assert {
>
> /**
> * KUNIT_INIT_ASSERT_STRUCT() - Initializer for a &struct kunit_assert.
> - * @assert_type: The type (assertion or expectation) of this kunit_assert.
> * @fmt: The formatting function which builds a string out of this kunit_assert.
> *
> * The base initializer for a &struct kunit_assert.
> */
> -#define KUNIT_INIT_ASSERT_STRUCT(assert_type, fmt) { \
> - .type = assert_type, \
> +#define KUNIT_INIT_ASSERT_STRUCT(fmt) { \
> .message = KUNIT_INIT_VA_FMT_NULL, \
> .format = fmt \
> }
> @@ -98,15 +94,13 @@ void kunit_fail_assert_format(const struct kunit_assert *assert,
> struct string_stream *stream);
>
> /**
> - * KUNIT_INIT_FAIL_ASSERT_STRUCT() - Initializer for &struct kunit_fail_assert.
> - * @type: The type (assertion or expectation) of this kunit_assert.
> + * KUNIT_INIT_FAIL_ASSERT_STRUCT - Initializer for &struct kunit_fail_assert.
> *
> * Initializes a &struct kunit_fail_assert. Intended to be used in
> * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
> */
> -#define KUNIT_INIT_FAIL_ASSERT_STRUCT(type) { \
> - .assert = KUNIT_INIT_ASSERT_STRUCT(type, \
> - kunit_fail_assert_format) \
> +#define KUNIT_INIT_FAIL_ASSERT_STRUCT { \
> + .assert = KUNIT_INIT_ASSERT_STRUCT(kunit_fail_assert_format) \
> }
>
> /**
> @@ -130,16 +124,14 @@ void kunit_unary_assert_format(const struct kunit_assert *assert,
>
> /**
> * KUNIT_INIT_UNARY_ASSERT_STRUCT() - Initializes &struct kunit_unary_assert.
> - * @type: The type (assertion or expectation) of this kunit_assert.
> * @cond: A string representation of the expression asserted true or false.
> * @expect_true: True if of type KUNIT_{EXPECT|ASSERT}_TRUE, false otherwise.
> *
> * Initializes a &struct kunit_unary_assert. Intended to be used in
> * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
> */
> -#define KUNIT_INIT_UNARY_ASSERT_STRUCT(type, cond, expect_true) { \
> - .assert = KUNIT_INIT_ASSERT_STRUCT(type, \
> - kunit_unary_assert_format), \
> +#define KUNIT_INIT_UNARY_ASSERT_STRUCT(cond, expect_true) { \
> + .assert = KUNIT_INIT_ASSERT_STRUCT(kunit_unary_assert_format), \
> .condition = cond, \
> .expected_true = expect_true \
> }
> @@ -166,16 +158,14 @@ void kunit_ptr_not_err_assert_format(const struct kunit_assert *assert,
> /**
> * KUNIT_INIT_PTR_NOT_ERR_ASSERT_STRUCT() - Initializes a
> * &struct kunit_ptr_not_err_assert.
> - * @type: The type (assertion or expectation) of this kunit_assert.
> * @txt: A string representation of the expression passed to the expectation.
> * @val: The actual evaluated pointer value of the expression.
> *
> * Initializes a &struct kunit_ptr_not_err_assert. Intended to be used in
> * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
> */
> -#define KUNIT_INIT_PTR_NOT_ERR_STRUCT(type, txt, val) { \
> - .assert = KUNIT_INIT_ASSERT_STRUCT(type, \
> - kunit_ptr_not_err_assert_format), \
> +#define KUNIT_INIT_PTR_NOT_ERR_STRUCT(txt, val) { \
> + .assert = KUNIT_INIT_ASSERT_STRUCT(kunit_ptr_not_err_assert_format), \
> .text = txt, \
> .value = val \
> }
> @@ -209,7 +199,6 @@ void kunit_binary_assert_format(const struct kunit_assert *assert,
> /**
> * KUNIT_INIT_BINARY_ASSERT_STRUCT() - Initializes a
> * &struct kunit_binary_assert.
> - * @type: The type (assertion or expectation) of this kunit_assert.
> * @op_str: A string representation of the comparison operator (e.g. "==").
> * @left_str: A string representation of the expression in the left slot.
> * @left_val: The actual evaluated value of the expression in the left slot.
> @@ -219,14 +208,12 @@ void kunit_binary_assert_format(const struct kunit_assert *assert,
> * Initializes a &struct kunit_binary_assert. Intended to be used in
> * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
> */
> -#define KUNIT_INIT_BINARY_ASSERT_STRUCT(type, \
> - op_str, \
> +#define KUNIT_INIT_BINARY_ASSERT_STRUCT(op_str, \
> left_str, \
> left_val, \
> right_str, \
> right_val) { \
> - .assert = KUNIT_INIT_ASSERT_STRUCT(type, \
> - kunit_binary_assert_format), \
> + .assert = KUNIT_INIT_ASSERT_STRUCT(kunit_binary_assert_format), \
> .operation = op_str, \
> .left_text = left_str, \
> .left_value = left_val, \
> @@ -273,14 +260,12 @@ void kunit_binary_ptr_assert_format(const struct kunit_assert *assert,
> * Initializes a &struct kunit_binary_ptr_assert. Intended to be used in
> * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
> */
> -#define KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT(type, \
> - op_str, \
> +#define KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT(op_str, \
> left_str, \
> left_val, \
> right_str, \
> right_val) { \
> - .assert = KUNIT_INIT_ASSERT_STRUCT(type, \
> - kunit_binary_ptr_assert_format), \
> + .assert = KUNIT_INIT_ASSERT_STRUCT(kunit_binary_ptr_assert_format), \
> .operation = op_str, \
> .left_text = left_str, \
> .left_value = left_val, \
> @@ -317,7 +302,6 @@ void kunit_binary_str_assert_format(const struct kunit_assert *assert,
> /**
> * KUNIT_INIT_BINARY_STR_ASSERT_STRUCT() - Initializes a
> * &struct kunit_binary_str_assert.
> - * @type: The type (assertion or expectation) of this kunit_assert.
> * @op_str: A string representation of the comparison operator (e.g. "==").
> * @left_str: A string representation of the expression in the left slot.
> * @left_val: The actual evaluated value of the expression in the left slot.
> @@ -327,14 +311,12 @@ void kunit_binary_str_assert_format(const struct kunit_assert *assert,
> * Initializes a &struct kunit_binary_str_assert. Intended to be used in
> * KUNIT_EXPECT_* and KUNIT_ASSERT_* macros.
> */
> -#define KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(type, \
> - op_str, \
> +#define KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(op_str, \
> left_str, \
> left_val, \
> right_str, \
> right_val) { \
> - .assert = KUNIT_INIT_ASSERT_STRUCT(type, \
> - kunit_binary_str_assert_format), \
> + .assert = KUNIT_INIT_ASSERT_STRUCT(kunit_binary_str_assert_format), \
> .operation = op_str, \
> .left_text = left_str, \
> .left_value = left_val, \
> diff --git a/include/kunit/test.h b/include/kunit/test.h
> index 6e201b45ada6..6f9074ec1995 100644
> --- a/include/kunit/test.h
> +++ b/include/kunit/test.h
> @@ -795,7 +795,7 @@ void kunit_failed_assertion(struct kunit *test,
> assert_type, \
> false, \
> kunit_fail_assert, \
> - KUNIT_INIT_FAIL_ASSERT_STRUCT(assert_type), \
> + KUNIT_INIT_FAIL_ASSERT_STRUCT, \
The '\' at the end of this line is misaligned. (The others seem fine,
but it's possible I missed one.)
> fmt, \
> ##__VA_ARGS__)
>
> @@ -826,8 +826,7 @@ void kunit_failed_assertion(struct kunit *test,
> assert_type, \
> !!(condition) == !!expected_true, \
> kunit_unary_assert, \
> - KUNIT_INIT_UNARY_ASSERT_STRUCT(assert_type, \
> - #condition, \
> + KUNIT_INIT_UNARY_ASSERT_STRUCT(#condition, \
> expected_true), \
> fmt, \
> ##__VA_ARGS__)
> @@ -885,8 +884,7 @@ do { \
> assert_type, \
> __left op __right, \
> assert_class, \
> - ASSERT_CLASS_INIT(assert_type, \
> - #op, \
> + ASSERT_CLASS_INIT(#op, \
> #left, \
> __left, \
> #right, \
> @@ -1240,8 +1238,7 @@ do { \
> assert_type, \
> strcmp(__left, __right) op 0, \
> kunit_binary_str_assert, \
> - KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(assert_type, \
> - #op, \
> + KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(#op, \
> #left, \
> __left, \
> #right, \
> @@ -1300,8 +1297,7 @@ do { \
> assert_type, \
> !IS_ERR_OR_NULL(__ptr), \
> kunit_ptr_not_err_assert, \
> - KUNIT_INIT_PTR_NOT_ERR_STRUCT(assert_type, \
> - #ptr, \
> + KUNIT_INIT_PTR_NOT_ERR_STRUCT(#ptr, \
> __ptr), \
> fmt, \
> ##__VA_ARGS__); \
> --
> 2.34.1.575.g55b058a8bb-goog
>
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