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Documentation: kunit: Clean up some string casts in examples

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As the type checking is no longer excessively strict, get rid of the
unsightly (char*) casts -- and comment discussing them -- from the KUnit
usage page.

Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Daniel Latypov <dlatypov@google.com>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
David Gow 2021-05-13 12:31:57 -07:00 committed by Shuah Khan
parent 3747b5c0d8
commit 99a8e899fa
1 changed files with 3 additions and 4 deletions
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7
Documentation/dev-tools/kunit/usage.rst
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@ -465,10 +465,9 @@ fictitious example for ``sha1sum(1)``
.. code-block:: c
/* Note: the cast is to satisfy overly strict type-checking. */
#define TEST_SHA1(in, want) \
sha1sum(in, out); \
KUNIT_EXPECT_STREQ_MSG(test, (char *)out, want, "sha1sum(%s)", in);
KUNIT_EXPECT_STREQ_MSG(test, out, want, "sha1sum(%s)", in);
char out[40];
TEST_SHA1("hello world", "2aae6c35c94fcfb415dbe95f408b9ce91ee846ed");
@ -507,7 +506,7 @@ In some cases, it can be helpful to write a *table-driven test* instead, e.g.
};
for (i = 0; i < ARRAY_SIZE(cases); ++i) {
sha1sum(cases[i].str, out);
KUNIT_EXPECT_STREQ_MSG(test, (char *)out, cases[i].sha1,
KUNIT_EXPECT_STREQ_MSG(test, out, cases[i].sha1,
"sha1sum(%s)", cases[i].str);
}
@ -568,7 +567,7 @@ Reusing the same ``cases`` array from above, we can write the test as a
struct sha1_test_case *test_param = (struct sha1_test_case *)(test->param_value);
sha1sum(test_param->str, out);
KUNIT_EXPECT_STREQ_MSG(test, (char *)out, test_param->sha1,
KUNIT_EXPECT_STREQ_MSG(test, out, test_param->sha1,
"sha1sum(%s)", test_param->str);
}