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kunit: string-stream: Add kunit_alloc_string_stream()

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Add function kunit_alloc_string_stream() to do a resource-managed
allocation of a string stream, and corresponding
kunit_free_string_stream() to free the resource-managed stream.

This is preparing for decoupling the string_stream
implementation from struct kunit, to reduce the amount of code
churn when that happens. Currently:
 - kunit_alloc_string_stream() only calls alloc_string_stream().
 - kunit_free_string_stream() takes a struct kunit* which
   isn't used yet.

Callers of the old alloc_string_stream() and
string_stream_destroy() are all requesting a managed allocation
so have been changed to use the new functions.

alloc_string_stream() has been temporarily made static because
its current behavior has been replaced with
kunit_alloc_string_stream().

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Richard Fitzgerald
2023-08-28 11:41:07 +01:00
committed by Shuah Khan
parent 7b4481cbe7
commit 20631e154c
4 changed files with 29 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/kunit/string-stream-test.c
+14 -14
View File
@@ -25,7 +25,7 @@ static void string_stream_init_test(struct kunit *test)
{
struct string_stream *stream;
stream = alloc_string_stream(test, GFP_KERNEL);
stream = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
KUNIT_EXPECT_EQ(test, stream->length, 0);
@@ -48,7 +48,7 @@ static void string_stream_line_add_test(struct kunit *test)
size_t len, total_len;
int num_lines, i;
stream = alloc_string_stream(test, GFP_KERNEL);
stream = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
/* Add series of sequence numbered lines */
@@ -104,7 +104,7 @@ static void string_stream_variable_length_line_test(struct kunit *test)
size_t offset, total_len;
int num_lines, i;
stream = alloc_string_stream(test, GFP_KERNEL);
stream = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
/*
@@ -164,10 +164,10 @@ static void string_stream_append_test(struct kunit *test)
size_t combined_length;
int i;
stream_1 = alloc_string_stream(test, GFP_KERNEL);
stream_1 = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_1);
stream_2 = alloc_string_stream(test, GFP_KERNEL);
stream_2 = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_2);
/* Append content of empty stream to empty stream */
@@ -207,9 +207,9 @@ static void string_stream_append_test(struct kunit *test)
KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1), combined_content);
/* Append content of non-empty stream to empty stream */
string_stream_destroy(stream_1);
kunit_free_string_stream(test, stream_1);
stream_1 = alloc_string_stream(test, GFP_KERNEL);
stream_1 = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_1);
string_stream_append(stream_1, stream_2);
@@ -222,13 +222,13 @@ static void string_stream_append_auto_newline_test(struct kunit *test)
struct string_stream *stream_1, *stream_2;
/* Stream 1 has newline appending enabled */
stream_1 = alloc_string_stream(test, GFP_KERNEL);
stream_1 = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_1);
string_stream_set_append_newlines(stream_1, true);
KUNIT_EXPECT_TRUE(test, stream_1->append_newlines);
/* Stream 2 does not append newlines */
stream_2 = alloc_string_stream(test, GFP_KERNEL);
stream_2 = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_2);
/* Appending a stream with a newline should not add another newline */
@@ -239,8 +239,8 @@ static void string_stream_append_auto_newline_test(struct kunit *test)
KUNIT_EXPECT_STREQ(test, get_concatenated_string(test, stream_1),
"Original string\nAppended content\nMore stuff\n");
string_stream_destroy(stream_2);
stream_2 = alloc_string_stream(test, GFP_KERNEL);
kunit_free_string_stream(test, stream_2);
stream_2 = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream_2);
/*
@@ -261,7 +261,7 @@ static void string_stream_append_empty_string_test(struct kunit *test)
struct string_stream *stream;
int original_frag_count;
stream = alloc_string_stream(test, GFP_KERNEL);
stream = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
/* Formatted empty string */
@@ -283,7 +283,7 @@ static void string_stream_no_auto_newline_test(struct kunit *test)
{
struct string_stream *stream;
stream = alloc_string_stream(test, GFP_KERNEL);
stream = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
/*
@@ -306,7 +306,7 @@ static void string_stream_auto_newline_test(struct kunit *test)
{
struct string_stream *stream;
stream = alloc_string_stream(test, GFP_KERNEL);
stream = kunit_alloc_string_stream(test, GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, stream);
string_stream_set_append_newlines(stream, true);