[PATCH v2 1/2] tests: add getcwd.test

[Dmitry V. Levin]

On Thu, Mar 17, 2016 at 05:32:11PM +0800, Fei Jie wrote:
> * tests/getcwd.c: New file.
> * tests/getcwd.test: New test.
> * tests/.gitignore: Add getcwd.
> * tests/Makefile.am (check_PROGRAMS): Likewise.
> (TESTS): Add getcwd.test.
> ---
>  tests/.gitignore  |  1 +
>  tests/Makefile.am |  2 ++
>  tests/getcwd.c    | 26 ++++++++++++++++++++++++++
>  tests/getcwd.test | 11 +++++++++++
>  4 files changed, 40 insertions(+)
>  create mode 100644 tests/getcwd.c
>  create mode 100755 tests/getcwd.test
> 
> diff --git a/tests/.gitignore b/tests/.gitignore
> index 93ffa0b..d5c4a2c 100644
> --- a/tests/.gitignore
> +++ b/tests/.gitignore
> @@ -42,6 +42,7 @@ fstat64
>  fstatat64
>  ftruncate
>  ftruncate64
> +getcwd
>  getdents
>  getdents64
>  getrandom
> diff --git a/tests/Makefile.am b/tests/Makefile.am
> index 6590f95..c6c293e 100644
> --- a/tests/Makefile.am
> +++ b/tests/Makefile.am
> @@ -92,6 +92,7 @@ check_PROGRAMS = \
>  	fstatat64 \
>  	ftruncate \
>  	ftruncate64 \
> +	getcwd \
>  	getdents \
>  	getdents64 \
>  	getrandom \
> @@ -267,6 +268,7 @@ TESTS = \
>  	fstatat64.test \
>  	ftruncate.test \
>  	ftruncate64.test \
> +	getcwd.test \
>  	getdents.test \
>  	getdents64.test \
>  	getrandom.test \
> diff --git a/tests/getcwd.c b/tests/getcwd.c
> new file mode 100644
> index 0000000..ae93307
> --- /dev/null
> +++ b/tests/getcwd.c
> @@ -0,0 +1,26 @@
> +#include "tests.h"
> +#include <sys/syscall.h>
> +
> +#ifdef __NR_getcwd
> +
> +# include <stdio.h>
> +# include <unistd.h>
> +
> +static char buf[8192];
> +
> +int
> +main(void)
> +{
> +	int rc = syscall(__NR_getcwd, buf, sizeof(buf));
> +	printf("getcwd(\"%s\", %u) = %d\n",
> +	       buf, (unsigned) sizeof(buf), rc);
> +
> +	puts("+++ exited with 0 +++");
> +	return 0;
> +}

That's OK, thanks.  May I ask you to add a case of failed getcwd in
addition to this one?  Any error code would do.  The simplest seems to be
syscall(__NR_getcwd, buf, 0);


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