Add tests for strfrom functions

4 files changed, 305 insertions, 1 deletions

diff --git a/stdlib/Makefile b/stdlib/Makefile
index 3cacb8b3f6..3cce9d98d4 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -79,7 +79,7 @@ tests		:= tst-strtol tst-strtod testmb testrand testsort testdiv   \
 		   tst-setcontext3 tst-tls-atexit-nodelete		    \
 		   tst-strtol-locale tst-strtod-nan-locale tst-strfmon_l    \
 		   tst-quick_exit tst-thread-quick_exit tst-width	    \
-		   tst-width-stdint
+		   tst-width-stdint tst-strfrom tst-strfrom-locale
 tests-static	:= tst-secure-getenv
 ifeq ($(have-cxx-thread_local),yes)
 CFLAGS-tst-quick_exit.o = -std=c++11
@@ -158,6 +158,8 @@ $(objpfx)tst-strtod5.out: $(gen-locales)
 $(objpfx)tst-strtol-locale.out: $(gen-locales)
 $(objpfx)tst-strtod-nan-locale.out: $(gen-locales)
 $(objpfx)tst-strfmon_l.out: $(gen-locales)
+$(objpfx)tst-strfrom.out: $(gen-locales)
+$(objpfx)tst-strfrom-locale.out: $(gen-locales)
 endif
 
 # Testdir has to be named stdlib and needs to be writable
diff --git a/stdlib/tst-strfrom-locale.c b/stdlib/tst-strfrom-locale.c
new file mode 100644
index 0000000000..08d374f7fd
--- /dev/null
+++ b/stdlib/tst-strfrom-locale.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 ("de_DE.UTF-8");
+  result += test_locale ("tr_TR.ISO-8859-9");
+  result += test_locale ("tr_TR.UTF-8");
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
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"
diff --git a/stdlib/tst-strfrom.h b/stdlib/tst-strfrom.h
new file mode 100644
index 0000000000..31a6492936
--- /dev/null
+++ b/stdlib/tst-strfrom.h
@@ -0,0 +1,120 @@
+/* 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <float.h>
+#include <math.h>
+#include <locale.h>
+
+#include "tst-strtod.h"
+
+#define _CONCAT(a, b) a ## b
+#define CONCAT(a, b) _CONCAT (a, b)
+
+/* Generator to create an FTYPE member variabled named FSUF
+ *    used to populate struct member variables.  */
+#define FTYPE_MEMBER(FSUF, FTYPE, FTOSTR, LSUF, CSUF)  \
+       FTYPE FSUF;
+
+#define STRUCT_FOREACH_FLOAT_FTYPE GEN_TEST_STRTOD_FOREACH (FTYPE_MEMBER)
+
+#define ENTRY(FSUF, FTYPE, FTOSTR, LSUF, CSUF, ...)  \
+   CONCAT (__VA_ARGS__, CSUF),
+/* This is hacky way around the seemingly unavoidable macro
+ * expansion of the INFINITY or HUGE_VAL like macros in the
+ * above.  It is assumed the compiler will implicitly convert
+ * the infinity correctly.  */
+#define INF INFINITY + 0.0
+#define NAN_ NAN + 0.0
+
+struct test_input
+{
+  STRUCT_FOREACH_FLOAT_FTYPE
+};
+struct test {
+  const char *s;
+  const char *fmt;
+  int size;
+  int rc;
+  struct test_input t;
+};
+#define TEST(s, fmt, size, rc, val)				\
+  {								\
+    s, fmt, size, rc, { GEN_TEST_STRTOD_FOREACH (ENTRY, val) }	\
+  }
+/* Hexadecimal tests.  */
+struct htests
+{
+  const char *fmt;
+  const char *exp[4];
+  struct test_input t;
+};
+#define HTEST(fmt, exp1, exp2, exp3, exp4, val)				  \
+  {									  \
+    fmt, exp1, exp2, exp3, exp4, { GEN_TEST_STRTOD_FOREACH (ENTRY, val) } \
+  }
+
+#define TEST_STRFROM(FSUF, FTYPE, FTOSTR, LSUF, CSUF)			\
+static int								\
+test_ ## FSUF (void)							\
+{									\
+  char buf[50], sbuf[5];						\
+  int status = 0;							\
+  int i, rc = 0, rc1 = 0;						\
+  for (i = 0; i < sizeof (stest) / sizeof (stest[0]); i++)		\
+    {									\
+      rc = FTOSTR (sbuf, stest[i].size, stest[i].fmt, stest[i].t.FSUF);	\
+      rc1 = (strcmp (sbuf, stest[i].s) != 0) || (rc != stest[i].rc);	\
+      if (rc1)								\
+	{								\
+	  printf (#FTOSTR ": got %s (%d), expected %s (%d)\n",		\
+		  sbuf, rc, stest[i].s, stest[i].rc);			\
+	  status++;							\
+	}								\
+    }									\
+  for (i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)		\
+    {									\
+      rc = FTOSTR (buf, tests[i].size, tests[i].fmt, tests[i].t.FSUF);	\
+      rc1 = (strcmp (buf, tests[i].s) != 0) || (rc != tests[i].rc);	\
+      if (rc1)								\
+	{								\
+	  printf (#FTOSTR ": got %s (%d), expected %s (%d)\n",		\
+		  buf, rc, tests[i].s, tests[i].rc);			\
+	  status++;							\
+	}								\
+    }									\
+  for (i = 0; i < sizeof (htest) / sizeof (htest[0]); i++)		\
+    {									\
+      rc = FTOSTR (buf, 50, htest[i].fmt, htest[i].t.FSUF);		\
+      if (strcmp (buf, htest[i].exp[0]) == 0 ||				\
+	  strcmp (buf, htest[i].exp[1]) == 0 ||				\
+	  strcmp (buf, htest[i].exp[2]) == 0 ||				\
+	  strcmp (buf, htest[i].exp[3]) == 0)				\
+	continue;							\
+      else								\
+	{								\
+	  printf (#FTOSTR ": got %s (%d), expected %s or %s or %s "	\
+		  "or %s\n", buf, rc, htest[i].exp[0], htest[i].exp[1],	\
+		  htest[i].exp[2], htest[i].exp[3]);			\
+	  status++;							\
+	}								\
+    }									\
+  return status;							\
+}