Add tests for strfrom functions

1 files changed, 91 insertions, 0 deletions

diff --git a/stdlib/tst-strfrom.c b/stdlib/tst-strfrom.c
new file mode 100644
index 0000000000..3c990be60b
--- /dev/null
+++ b/stdlib/tst-strfrom.c
@@ -0,0 +1,91 @@
+/* Tests for strfromf, strfromd, strfroml functions.
+   Copyright (C) 2016 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
+   <http://www.gnu.org/licenses/>.  */
+
+#include "tst-strfrom.h"
+
+static const struct test tests[] = {
+  TEST ("12.345000", "%f", 50, 9, 12.345),
+  TEST ("9.999", "%.3f", 50, 5, 9.999),
+  TEST ("0.125000", "%f", 50, 8, .125),
+  TEST ("0.000000", "%f", 50, 8, .0),
+  TEST ("0", "%g", 50, 1, .0),
+  TEST ("9.900000", "%f", 50, 8, 9.9),
+  TEST ("9.1", "%.5f", 4, 7, 9.123456),
+  TEST ("9.91235", "%g", 50, 7, 9.91234567812345678),
+  TEST ("79.8765", "%G", 50, 7, 79.8765432111),
+  TEST ("79.9", "%.3g", 50, 4, 79.8765432111),
+  TEST ("1.000000e+38", "%e", 50, 12, 1e+38),
+  TEST ("1.000000e+38", "%e", 50, 12, 1e38),
+  TEST ("-1.000000e-37", "%e", 50, 13, -1e-37),
+  TEST ("1.000000e-37", "%e", 50, 12, 0.00000001e-29),
+  TEST ("1.000000e-37", "%e", 50, 12, 1.000000e-37),
+  TEST ("5.900000e-16", "%e", 50, 12, 5.9e-16),
+  TEST ("1.234500e+20", "%e", 50, 12, 12.345e19),
+  TEST ("1.000000e+05", "%e", 50, 12, 1e5),
+  TEST ("-NAN", "%G", 50, 4, -NAN_),
+  TEST ("-inf", "%g", 50, 4, -INF),
+  TEST ("inf", "%g", 50, 3, INF)
+};
+/* Tests with buffer size small.  */
+static const struct test stest[] = {
+  TEST ("1234", "%g", 5, 7, 12345.345),
+  TEST ("0.12", "%f", 5, 8, .125),
+  TEST ("9.99", "%.3f", 5, 5, 9.999),
+  TEST ("100", "%g", 5, 3, 1e2)
+};
+/* Hexadecimal tests.  */
+static const struct htests htest[] = {
+  HTEST ("%a", { "0x1.ffp+6", "0x3.fep+5", "0x7.fcp+4", "0xf.f8p+3" },
+	0x1.ffp+6),
+  HTEST ("%a", { "0x1.88p+4", "0x3.1p+3", "0x6.2p+2", "0xc.4p+1" },
+	0x1.88p+4),
+  HTEST ("%A", { "-0X1.88P+5", "-0X3.1P+4", "-0X6.2P+3", "-0XC.4P+2" },
+	-0x1.88p+5),
+  HTEST ("%a", { "0x1.44p+10", "0x2.88p+9", "0x5.1p+8", "0xa.2p+7" },
+	0x1.44p+10),
+  HTEST ("%a", { "0x1p-10", "0x2p-11", "0x4p-12", "0x8p-13" },
+	0x0.0040p+0),
+  HTEST ("%a", { "0x1.4p+3", "0x2.8p+2", "0x5p+1", "0xap+0" },
+	10.0)
+};
+
+GEN_TEST_STRTOD_FOREACH (TEST_STRFROM)
+
+static int
+test_locale (const char *locale)
+{
+  printf ("Testing in locale: %s\n", locale);
+  if (setlocale (LC_ALL, locale) == NULL)
+    {
+      printf ("Cannot set locale %s\n", locale);
+    }
+  return STRTOD_TEST_FOREACH (test_);
+}
+
+static int
+do_test (void)
+{
+  int result = 0;
+  result += test_locale ("C");
+  result += test_locale ("en_US.ISO-8859-1");
+  result += test_locale ("en_US.UTF-8");
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"