[glibc/azanella/sig_err-improvements] string: Add strsignal test

[glibc/azanella/sig_err-improvements] string: Add strsignal test

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=26f55e978cfc0831bda1001f2cea4e6af7fef14f

commit 26f55e978cfc0831bda1001f2cea4e6af7fef14f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Mon May 18 10:16:48 2020 -0300

    string: Add strsignal test
    
    Checked on x86-64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu,
    and s390x-linux-gnu.

Diff:
---
 string/Makefile        |  5 ++++-
 string/tst-strsignal.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/string/Makefile b/string/Makefile
index e1cca5516b..470ff77ded 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -65,6 +65,8 @@ tests		:= tester inl-tester noinl-tester testcopy test-ffs	\
 # This test allocates a lot of memory and can run for a long time.
 xtests = tst-strcoll-overflow
 
+tests-container += tst-strsignal
+
 # This test needs libdl.
 ifeq (yes,$(build-shared))
 tests += test-strerror-errno
@@ -105,7 +107,7 @@ $(objpfx)tst-svc-cmp.out: tst-svc.expect $(objpfx)tst-svc.out
 
 LOCALES := de_DE.UTF-8 en_US.ISO-8859-1 en_US.UTF-8 \
            tr_TR.ISO-8859-9 tr_TR.UTF-8 cs_CZ.UTF-8 \
-	   da_DK.ISO-8859-1 en_GB.UTF-8
+	   da_DK.ISO-8859-1 en_GB.UTF-8 pt_BR.UTF-8
 include ../gen-locales.mk
 
 $(objpfx)test-strcasecmp.out: $(gen-locales)
@@ -115,5 +117,6 @@ $(objpfx)tst-strxfrm2.out: $(gen-locales)
 # bug-strcoll2 needs cs_CZ.UTF-8 and da_DK.ISO-8859-1.
 $(objpfx)bug-strcoll2.out: $(gen-locales)
 $(objpfx)tst-strcoll-overflow.out: $(gen-locales)
+$(objpfx)tst-strsignal.out: $(gen-locales)
 
 endif
diff --git a/string/tst-strsignal.c b/string/tst-strsignal.c
new file mode 100644
index 0000000000..93a46dbc78
--- /dev/null
+++ b/string/tst-strsignal.c
@@ -0,0 +1,57 @@
+/* Test for strsignal.
+
+   Copyright (C) 2020 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#include <string.h>
+#include <stdio.h>
+#include <signal.h>
+#include <locale.h>
+#include <array_length.h>
+
+#include <support/support.h>
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+  xsetlocale (LC_ALL, "C");
+
+  TEST_COMPARE_STRING (strsignal (SIGINT),     "Interrupt");
+  TEST_COMPARE_STRING (strsignal (-1),         "Unknown signal -1");
+#ifdef SIGRTMIN
+  TEST_COMPARE_STRING (strsignal (SIGRTMIN),   "Real-time signal 0");
+#endif
+#ifdef SIGRTMAX
+  TEST_COMPARE_STRING (strsignal (SIGRTMAX+1), "Unknown signal 65");
+#endif
+
+  xsetlocale (LC_ALL, "pt_BR.UTF-8");
+
+  TEST_COMPARE_STRING (strsignal (SIGINT),    "Interrup\xc3\xa7\xc3\xa3\x6f");
+  TEST_COMPARE_STRING (strsignal (-1),        "Sinal desconhecido -1");
+#ifdef SIGRTMI
+  TEST_COMPARE_STRING (strsignal (SIGRTMIN),  "Sinal de tempo-real 0");
+#endif
+#ifdef SIGRTMAX
+  TEST_COMPARE_STRING (strsignal (SIGRTMAX+1), "Sinal desconhecido 65");
+#endif
+
+  return 0;
+}
+
+#include <support/test-driver.c>