r231009 - Improve robustness of dependency-generation-crash.c test.

[Daniel Jasper]

Are you intentionally using %t and $t?

On Mon, Mar 2, 2015 at 9:44 PM, Matthias Braun <matze at braunis.de> wrote:

> Author: matze
> Date: Mon Mar  2 14:44:09 2015
> New Revision: 231009
>
> URL: http://llvm.org/viewvc/llvm-project?rev=231009&view=rev
> Log:
> Improve robustness of dependency-generation-crash.c test.
>
> The test wants to provoke a failure when opening the output file.
> Using chmod 0 on the output file does not work reliably on all
> filesystems or when running the test as root.
> Change the test to use a nonexistant directory instead.
>
> Differential Revision: http://reviews.llvm.org/D7620
>
> Modified:
>     cfe/trunk/test/Frontend/dependency-generation-crash.c
>
> Modified: cfe/trunk/test/Frontend/dependency-generation-crash.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Frontend/dependency-generation-crash.c?rev=231009&r1=231008&r2=231009&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/Frontend/dependency-generation-crash.c (original)
> +++ cfe/trunk/test/Frontend/dependency-generation-crash.c Mon Mar  2
> 14:44:09 2015
> @@ -1,7 +1,4 @@
> -// RUN: touch %t
> -// RUN: chmod 0 %t
> -// RUN: not %clang_cc1 -E -dependency-file bla -MT %t -MP -o %t -x c
> /dev/null 2>&1 | FileCheck %s
> -// RUN: rm -f %t
> +// RUN: not %clang_cc1 -E -dependency-file bla -MT %t/doesnotexist/bla.o
> -MP -o $t/doesnotexist/bla.o -x c /dev/null 2>&1 | FileCheck %s
>
>  // CHECK: error: unable to open output file
>
>
>
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