[glibc/azanella/clang] stdio-common: Add tst-printf-width-i18n to cover numeric field width

[Adhemerval Zanella <azanella@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ada82e1aabc8d945cf49e56456aafbe3d129ce75

commit ada82e1aabc8d945cf49e56456aafbe3d129ce75
Author: Florian Weimer <fweimer@redhat.com>
Date:   Thu Mar 17 20:28:33 2022 +0100

    stdio-common: Add tst-printf-width-i18n to cover numeric field width
    
    Related to bug 28943 and bug 28944.

Diff:
---
 stdio-common/tst-printf-width-i18n.c | 95 ++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)

diff --git a/stdio-common/tst-printf-width-i18n.c b/stdio-common/tst-printf-width-i18n.c
new file mode 100644
index 0000000000..2355f30d67
--- /dev/null
+++ b/stdio-common/tst-printf-width-i18n.c
@@ -0,0 +1,95 @@
+/* Test for width of non-ASCII digit sequences.
+   Copyright (C) 2022 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/>.  */
+
+/* Behavior is currently inconsistent between %d and %f (bug 28943,
+   bug 28944).  This test intends to capture the status quo.  */
+
+#include <monetary.h>
+#include <stdio.h>
+#include <support/support.h>
+#include <support/check.h>
+
+static int
+do_test (void)
+{
+  char buf[40];
+
+  xsetlocale (LC_ALL, "hi_IN.UTF-8");
+
+  /* Ungrouped, not translated.  */
+  TEST_COMPARE (sprintf (buf, "%7d", 12345), 7);
+  TEST_COMPARE_STRING (buf, "  12345");
+  TEST_COMPARE (sprintf (buf, "%10.2f", 12345.67), 10);
+  TEST_COMPARE_STRING (buf, "  12345.67");
+  TEST_COMPARE (strfmon (buf, sizeof (buf), "%^13i", 12345.67), 13);
+  TEST_COMPARE_STRING (buf, "  INR12345.67");
+
+  /* Grouped.  */
+  TEST_COMPARE (sprintf (buf, "%'8d", 12345), 8);
+  TEST_COMPARE_STRING (buf, "  12,345");
+  TEST_COMPARE (sprintf (buf, "%'11.2f", 12345.67), 11);
+  TEST_COMPARE_STRING (buf, "  12,345.67");
+  TEST_COMPARE (strfmon (buf, sizeof (buf), "%13i", 12345.67), 13);
+  TEST_COMPARE_STRING (buf, " INR12,345.67");
+
+  /* Translated.  */
+  TEST_COMPARE (sprintf (buf, "%I16d", 12345), 16);
+  TEST_COMPARE_STRING (buf, " १२३४५");
+  TEST_COMPARE (sprintf (buf, "%I12.2f", 12345.67), 26);
+  TEST_COMPARE_STRING (buf, "    १२३४५.६७");
+
+  /* Translated and grouped.  */
+  TEST_COMPARE (sprintf (buf, "%'I17d", 12345), 17);
+  TEST_COMPARE_STRING (buf, " १२,३४५");
+  TEST_COMPARE (sprintf (buf, "%'I12.2f", 12345.67), 26);
+  TEST_COMPARE_STRING (buf, "   १२,३४५.६७");
+
+  xsetlocale (LC_ALL, "ps_AF.UTF-8");
+
+  /* Ungrouped, not translated.  */
+  TEST_COMPARE (sprintf (buf, "%7d", 12345), 7);
+  TEST_COMPARE_STRING (buf, "  12345");
+  TEST_COMPARE (sprintf (buf, "%10.2f", 12345.67), 11);
+  TEST_COMPARE_STRING (buf, "  12345٫67");
+  TEST_COMPARE (strfmon (buf, sizeof (buf), "%^13i", 12345.67), 13);
+  TEST_COMPARE_STRING (buf, "    12346 AFN");
+
+  /* Grouped.  */
+  TEST_COMPARE (sprintf (buf, "%'8d", 12345), 8);
+  TEST_COMPARE_STRING (buf, " 12٬345");
+  TEST_COMPARE (sprintf (buf, "%'11.2f", 12345.67), 13);
+  TEST_COMPARE_STRING (buf, "  12٬345٫67"); /* Counts characters.  */
+  TEST_COMPARE (strfmon (buf, sizeof (buf), "%13i", 12345.67), 13);
+  TEST_COMPARE_STRING (buf, "  12٬346 AFN"); /* Counts bytes.   */
+
+  /* Translated.  */
+  TEST_COMPARE (sprintf (buf, "%I11d", 12345), 11);
+  TEST_COMPARE_STRING (buf, " ١٢٣۴٥");
+  TEST_COMPARE (sprintf (buf, "%I12.2f", 12345.67), 20);
+  TEST_COMPARE_STRING (buf, "    ١٢٣۴٥٫٦٧");
+
+  /* Translated and grouped.  */
+  TEST_COMPARE (sprintf (buf, "%'I13d", 12345), 13);
+  TEST_COMPARE_STRING (buf, " ١٢٬٣۴٥");
+  TEST_COMPARE (sprintf (buf, "%'I12.2f", 12345.67), 21);
+  TEST_COMPARE_STRING (buf, "   ١٢٬٣۴٥٫٦٧");
+
+  return 0;
+}
+
+#include <support/test-driver.c>