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Re: [Qemu-devel] [PATCH v2 2/3] test-coroutine: test qemu_coroutine_ente


From: Fam Zheng
Subject: Re: [Qemu-devel] [PATCH v2 2/3] test-coroutine: test qemu_coroutine_entered()
Date: Wed, 28 Sep 2016 10:38:24 +0800
User-agent: Mutt/1.7.0 (2016-08-17)

On Tue, 09/27 16:18, Stefan Hajnoczi wrote:
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> ---
>  tests/test-coroutine.c | 42 ++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 42 insertions(+)
> 
> diff --git a/tests/test-coroutine.c b/tests/test-coroutine.c
> index 6431dd6..abd97c2 100644
> --- a/tests/test-coroutine.c
> +++ b/tests/test-coroutine.c
> @@ -53,6 +53,47 @@ static void test_self(void)
>  }
>  
>  /*
> + * Check that qemu_coroutine_entered() works
> + */

Not related to this patch:

It's a bit weird that in this file function header comments are followed by a
blank line, and in one case it even looks like as odd as this:


    static void test_order(void)
    {
        int i;
        const struct coroutine_position expected_pos[] = {
            {1, 1,}, {2, 1}, {1, 2}, {2, 2}, {1, 3}
        };
        do_order_test();
        g_assert_cmpint(record_pos, ==, 5);
        for (i = 0; i < record_pos; i++) {
            g_assert_cmpint(records[i].func , ==, expected_pos[i].func );
            g_assert_cmpint(records[i].state, ==, expected_pos[i].state);
        }
    }
    /*
     * Lifecycle benchmark
     */

    static void coroutine_fn empty_coroutine(void *opaque)
    {
        /* Do nothing */
    }

> +
> +static void coroutine_fn verify_entered_step_2(void *opaque)
> +{
> +    Coroutine *caller = (Coroutine *)opaque;
> +
> +    g_assert(qemu_coroutine_entered(caller));
> +    g_assert(qemu_coroutine_entered(qemu_coroutine_self()));
> +    qemu_coroutine_yield();
> +
> +    /* Once more to check it still works after yielding */
> +    g_assert(qemu_coroutine_entered(caller));
> +    g_assert(qemu_coroutine_entered(qemu_coroutine_self()));
> +    qemu_coroutine_yield();
> +}
> +
> +static void coroutine_fn verify_entered_step_1(void *opaque)
> +{
> +    Coroutine *self = qemu_coroutine_self();
> +    Coroutine *coroutine;
> +
> +    g_assert(qemu_coroutine_entered(self));
> +
> +    coroutine = qemu_coroutine_create(verify_entered_step_2, self);
> +    g_assert(!qemu_coroutine_entered(coroutine));
> +    qemu_coroutine_enter(coroutine);
> +    g_assert(!qemu_coroutine_entered(coroutine));
> +    qemu_coroutine_enter(coroutine);
> +}
> +
> +static void test_entered(void)
> +{
> +    Coroutine *coroutine;
> +
> +    coroutine = qemu_coroutine_create(verify_entered_step_1, NULL);
> +    g_assert(!qemu_coroutine_entered(coroutine));
> +    qemu_coroutine_enter(coroutine);
> +}
> +
> +/*
>   * Check that coroutines may nest multiple levels
>   */
>  
> @@ -389,6 +430,7 @@ int main(int argc, char **argv)
>      g_test_add_func("/basic/yield", test_yield);
>      g_test_add_func("/basic/nesting", test_nesting);
>      g_test_add_func("/basic/self", test_self);
> +    g_test_add_func("/basic/entered", test_entered);
>      g_test_add_func("/basic/in_coroutine", test_in_coroutine);
>      g_test_add_func("/basic/order", test_order);
>      if (g_test_perf()) {
> -- 
> 2.7.4
> 

Reviewed-by: Fam Zheng <address@hidden>



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