Quoting Brendan Higgins (2019-08-12 11:24:14)
> Add support for assertions which are like expectations except the test
> terminates if the assertion is not satisfied.
> 
> The idea with assertions is that you use them to state all the
> preconditions for your test. Logically speaking, these are the premises
> of the test case, so if a premise isn't true, there is no point in
> continuing the test case because there are no conclusions that can be
> drawn without the premises. Whereas, the expectation is the thing you
> are trying to prove. It is not used universally in x-unit style test
> frameworks, but I really like it as a convention.  You could still
> express the idea of a premise using the above idiom, but I think
> KUNIT_ASSERT_* states the intended idea perfectly.
> 
> Signed-off-by: Brendan Higgins <brendanhigg...@google.com>
> Reviewed-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
> Reviewed-by: Logan Gunthorpe <log...@deltatee.com>

Reviewed-by: Stephen Boyd <sb...@kernel.org>

> + * Sets an expectation that the values that @left and @right evaluate to are
> + * not equal. This is semantically equivalent to
> + * KUNIT_ASSERT_TRUE(@test, strcmp((@left), (@right))). See 
> KUNIT_ASSERT_TRUE()
> + * for more information.
> + */
> +#define KUNIT_ASSERT_STRNEQ(test, left, right)                               
>  \
> +               KUNIT_BINARY_STR_NE_ASSERTION(test,                           
>  \
> +                                             KUNIT_ASSERTION,                
>  \
> +                                             left,                           
>  \
> +                                             right)
> +
> +#define KUNIT_ASSERT_STRNEQ_MSG(test, left, right, fmt, ...)                 
>  \
> +               KUNIT_BINARY_STR_NE_MSG_ASSERTION(test,                       
>  \
> +                                                 KUNIT_ASSERTION,            
>  \
> +                                                 left,                       
>  \
> +                                                 right,                      
>  \
> +                                                 fmt,                        
>  \

Same question about tabbing too.

> diff --git a/kunit/test-test.c b/kunit/test-test.c
> index 88f4cdf03db2a..058f3fb37458a 100644
> --- a/kunit/test-test.c
> +++ b/kunit/test-test.c
> @@ -78,11 +78,13 @@ static int kunit_try_catch_test_init(struct kunit *test)
>         struct kunit_try_catch_test_context *ctx;
>  
>         ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
> +       KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx);

Ah ok. Question still stands if kunit_kzalloc() should just have the
assertion on failure.

>         test->priv = ctx;
>  
>         ctx->try_catch = kunit_kmalloc(test,
>                                        sizeof(*ctx->try_catch),
>                                        GFP_KERNEL);
> +       KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ctx->try_catch);
>  
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