strtoumax: fix typo in previous commit.

[gnulib.git] / tests / test-strtod.c

diff --git a/tests/test-strtod.c b/tests/test-strtod.c
index 6c63e13..f23bf6b 100644 (file)
--- a/tests/test-strtod.c
+++ b/tests/test-strtod.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Free Software Foundation
+ * Copyright (C) 2008-2013 Free Software Foundation, Inc.
  * Written by Eric Blake
  *
  * This program is free software: you can redistribute it and/or modify
@@ -19,28 +19,23 @@
 
 #include <stdlib.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (strtod, double, (char const *, char **));
+
 #include <errno.h>
 #include <float.h>
 #include <math.h>
-#include <stdio.h>
 #include <string.h>
 
-#include "isnand.h"
+#include "isnand-nolibm.h"
+#include "minus-zero.h"
+#include "macros.h"
 
-#define ASSERT(expr) \
-  do                                                                        \
-    {                                                                       \
-      if (!(expr))                                                          \
-       {                                                                    \
-         fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-         fflush (stderr);                                                   \
-         /* FIXME abort ();*/status = 1;                               \
-       }                                                                    \
-    }                                                                       \
-  while (0)
+/* Avoid requiring -lm just for fabs.  */
+#define FABS(d) ((d) < 0.0 ? -(d) : (d))
 
 int
-main ()
+main (void)
 {
   int status = 0;
   /* Subject sequence empty or invalid.  */
@@ -163,7 +158,7 @@ main ()
     /* FIXME - gnulib's version is rather inaccurate.  It would be
        nice to guarantee an exact result, but for now, we settle for a
        1-ulp error.  */
-    ASSERT (abs (result - 0.5) < DBL_EPSILON);
+    ASSERT (FABS (result - 0.5) < DBL_EPSILON);
     ASSERT (ptr == input + 2);
     ASSERT (errno == 0);
   }
@@ -246,7 +241,7 @@ main ()
     /* FIXME - gnulib's version is rather inaccurate.  It would be
        nice to guarantee an exact result, but for now, we settle for a
        1-ulp error.  */
-    ASSERT (abs (result - 0.5) < DBL_EPSILON);
+    ASSERT (FABS (result - 0.5) < DBL_EPSILON);
     ASSERT (ptr == input + 4);
     ASSERT (errno == 0);
   }
@@ -314,7 +309,7 @@ main ()
     errno = 0;
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
-    ASSERT (!!signbit (result) == !!signbit (-0.0)); /* IRIX 6.5, OSF/1 4.0 */
+    ASSERT (!!signbit (result) == !!signbit (minus_zerod)); /* IRIX 6.5, OSF/1 4.0 */
     ASSERT (ptr == input + 2);
     ASSERT (errno == 0);
   }
@@ -388,7 +383,7 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -409,8 +404,8 @@ main ()
     errno = 0;
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
-    ASSERT (!!signbit (result) == !!signbit (-0.0)); /* MacOS X 10.3, FreeBSD 6.2, IRIX 6.5, OSF/1 4.0 */
-    ASSERT (ptr == input + 2);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (!!signbit (result) == !!signbit (minus_zerod)); /* Mac OS X 10.3, FreeBSD 6.2, IRIX 6.5, OSF/1 4.0 */
+    ASSERT (ptr == input + 2);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -421,7 +416,7 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -432,7 +427,18 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
+    ASSERT (errno == 0);
+  }
+  {
+    const char input[] = "0XP";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
+    ASSERT (result == 0.0);
+    ASSERT (!signbit (result));
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -443,7 +449,7 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -454,7 +460,7 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -465,7 +471,7 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -476,7 +482,7 @@ main ()
     result = strtod (input, &ptr);
     ASSERT (result == 0.0);
     ASSERT (!signbit (result));
-    ASSERT (ptr == input + 1);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2 */
+    ASSERT (ptr == input + 1);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, AIX 7.1 */
     ASSERT (errno == 0);
   }
   {
@@ -489,6 +495,16 @@ main ()
     ASSERT (ptr == input + 1);
     ASSERT (errno == 0);
   }
+  {
+    const char input[] = "1P+1";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
+    ASSERT (result == 1.0);
+    ASSERT (ptr == input + 1);
+    ASSERT (errno == 0);
+  }
 
   /* Overflow/underflow.  */
   {
@@ -534,11 +550,31 @@ main ()
        0 on negative underflow, even though quality of implementation
        demands preserving the sign.  Disable this test until fixed
        glibc is more prevalent.  */
-    ASSERT (!!signbit (result) == !!signbit (-0.0)); /* glibc-2.3.6, mingw */
+    ASSERT (!!signbit (result) == !!signbit (minus_zerod)); /* glibc-2.3.6, mingw */
 #endif
     ASSERT (ptr == input + 10);
     ASSERT (errno == ERANGE);
   }
+  {
+    const char input[] = "1E 1000000";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
+    ASSERT (result == 1.0);             /* HP-UX 11.11, IRIX 6.5, OSF/1 4.0 */
+    ASSERT (ptr == input + 1);          /* HP-UX 11.11, IRIX 6.5 */
+    ASSERT (errno == 0);
+  }
+  {
+    const char input[] = "0x1P 1000000";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
+    ASSERT (result == 1.0);             /* NetBSD 3.0, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (ptr == input + 3);          /* NetBSD 3.0, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (errno == 0);
+  }
 
   /* Infinity.  */
   {
@@ -667,8 +703,8 @@ main ()
        worrying about.  */
     ASSERT (!!signbit (result1) != !!signbit (result2)); /* glibc-2.3.6, IRIX 6.5, OSF/1 5.1, mingw */
 # endif
-    ASSERT (ptr1 == input + 6);         /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
-    ASSERT (ptr2 == input + 6);         /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
+    ASSERT (ptr1 == input + 6);         /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
+    ASSERT (ptr2 == input + 6);         /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
     ASSERT (errno == 0);
 #else
     ASSERT (result1 == 0.0);
@@ -688,7 +724,7 @@ main ()
     result = strtod (input, &ptr);
 #if 1 /* All known CPUs support NaNs.  */
     ASSERT (isnand (result));           /* OpenBSD 4.0, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
-    ASSERT (ptr == input + 6);          /* glibc-2.3.6, MacOS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
+    ASSERT (ptr == input + 6);          /* glibc-2.3.6, Mac OS X 10.3, FreeBSD 6.2, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
     ASSERT (errno == 0);
 #else
     ASSERT (result == 0.0);
@@ -717,8 +753,8 @@ main ()
        worrying about.  */
     ASSERT (!!signbit (result1) != !!signbit (result2)); /* glibc-2.3.6, IRIX 6.5, OSF/1 5.1, mingw */
 # endif
-    ASSERT (ptr1 == input + 7);         /* glibc-2.3.6, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
-    ASSERT (ptr2 == input + 7);         /* glibc-2.3.6, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
+    ASSERT (ptr1 == input + 7);         /* glibc-2.3.6, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
+    ASSERT (ptr2 == input + 7);         /* glibc-2.3.6, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, mingw */
     ASSERT (errno == 0);
 #else
     ASSERT (result1 == 0.0);
@@ -758,12 +794,22 @@ main ()
     double result;
     errno = 0;
     result = strtod (input, &ptr);
+    ASSERT (result == 1.0);             /* NetBSD 3.0, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (ptr == input + 3);          /* NetBSD 3.0, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (errno == 0);
+  }
+  {
+    const char input[] = "0x1p+";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
     ASSERT (result == 1.0);             /* NetBSD 3.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
     ASSERT (ptr == input + 3);          /* NetBSD 3.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
     ASSERT (errno == 0);
   }
   {
-    const char input[] = "0x1p+";
+    const char input[] = "0x1P+";
     char *ptr;
     double result;
     errno = 0;
@@ -783,6 +829,16 @@ main ()
     ASSERT (errno == 0);
   }
   {
+    const char input[] = "0X1P+1";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
+    ASSERT (result == 2.0);             /* NetBSD 3.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (ptr == input + 6);          /* NetBSD 3.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (errno == 0);
+  }
+  {
     const char input[] = "0x1p+1a";
     char *ptr;
     double result;
@@ -792,6 +848,16 @@ main ()
     ASSERT (ptr == input + 6);          /* NetBSD 3.0, OpenBSD 4.0, AIX 5.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
     ASSERT (errno == 0);
   }
+  {
+    const char input[] = "0x1p 2";
+    char *ptr;
+    double result;
+    errno = 0;
+    result = strtod (input, &ptr);
+    ASSERT (result == 1.0);             /* NetBSD 3.0, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (ptr == input + 3);          /* NetBSD 3.0, OpenBSD 4.0, AIX 7.1, HP-UX 11.11, IRIX 6.5, OSF/1 5.1, Solaris 10, mingw */
+    ASSERT (errno == 0);
+  }
 
   /* Large buffers.  */
   {
@@ -799,16 +865,16 @@ main ()
     char *input = malloc (m + 1);
     if (input)
       {
-       char *ptr;
-       double result;
-       memset (input, '\t', m - 1);
-       input[m - 1] = '1';
-       input[m] = '\0';
-       errno = 0;
-       result = strtod (input, &ptr);
-       ASSERT (result == 1.0);
-       ASSERT (ptr == input + m);
-       ASSERT (errno == 0);
+        char *ptr;
+        double result;
+        memset (input, '\t', m - 1);
+        input[m - 1] = '1';
+        input[m] = '\0';
+        errno = 0;
+        result = strtod (input, &ptr);
+        ASSERT (result == 1.0);
+        ASSERT (ptr == input + m);
+        ASSERT (errno == 0);
       }
     free (input);
   }
@@ -817,16 +883,16 @@ main ()
     char *input = malloc (m + 1);
     if (input)
       {
-       char *ptr;
-       double result;
-       memset (input, '0', m - 1);
-       input[m - 1] = '1';
-       input[m] = '\0';
-       errno = 0;
-       result = strtod (input, &ptr);
-       ASSERT (result == 1.0);
-       ASSERT (ptr == input + m);
-       ASSERT (errno == 0);
+        char *ptr;
+        double result;
+        memset (input, '0', m - 1);
+        input[m - 1] = '1';
+        input[m] = '\0';
+        errno = 0;
+        result = strtod (input, &ptr);
+        ASSERT (result == 1.0);
+        ASSERT (ptr == input + m);
+        ASSERT (errno == 0);
       }
     free (input);
   }
@@ -838,25 +904,25 @@ main ()
     char *input = malloc (m + 1);
     if (input)
       {
-       char *ptr;
-       double result;
-       input[0] = '.';
-       memset (input + 1, '0', m - 10);
-       input[m - 9] = '1';
-       input[m - 8] = 'e';
-       input[m - 7] = '+';
-       input[m - 6] = '9';
-       input[m - 5] = '9';
-       input[m - 4] = '9';
-       input[m - 3] = '9';
-       input[m - 2] = '9';
-       input[m - 1] = '1';
-       input[m] = '\0';
-       errno = 0;
-       result = strtod (input, &ptr);
-       ASSERT (result == 1.0);         /* MacOS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
-       ASSERT (ptr == input + m);      /* OSF/1 5.1 */
-       ASSERT (errno == 0);            /* MacOS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
+        char *ptr;
+        double result;
+        input[0] = '.';
+        memset (input + 1, '0', m - 10);
+        input[m - 9] = '1';
+        input[m - 8] = 'e';
+        input[m - 7] = '+';
+        input[m - 6] = '9';
+        input[m - 5] = '9';
+        input[m - 4] = '9';
+        input[m - 3] = '9';
+        input[m - 2] = '9';
+        input[m - 1] = '1';
+        input[m] = '\0';
+        errno = 0;
+        result = strtod (input, &ptr);
+        ASSERT (result == 1.0);         /* Mac OS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
+        ASSERT (ptr == input + m);      /* OSF/1 5.1 */
+        ASSERT (errno == 0);            /* Mac OS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
       }
     free (input);
   }
@@ -865,24 +931,24 @@ main ()
     char *input = malloc (m + 1);
     if (input)
       {
-       char *ptr;
-       double result;
-       input[0] = '1';
-       memset (input + 1, '0', m - 9);
-       input[m - 8] = 'e';
-       input[m - 7] = '-';
-       input[m - 6] = '9';
-       input[m - 5] = '9';
-       input[m - 4] = '9';
-       input[m - 3] = '9';
-       input[m - 2] = '9';
-       input[m - 1] = '1';
-       input[m] = '\0';
-       errno = 0;
-       result = strtod (input, &ptr);
-       ASSERT (result == 1.0);         /* MacOS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
-       ASSERT (ptr == input + m);
-       ASSERT (errno == 0);            /* MacOS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
+        char *ptr;
+        double result;
+        input[0] = '1';
+        memset (input + 1, '0', m - 9);
+        input[m - 8] = 'e';
+        input[m - 7] = '-';
+        input[m - 6] = '9';
+        input[m - 5] = '9';
+        input[m - 4] = '9';
+        input[m - 3] = '9';
+        input[m - 2] = '9';
+        input[m - 1] = '1';
+        input[m] = '\0';
+        errno = 0;
+        result = strtod (input, &ptr);
+        ASSERT (result == 1.0);         /* Mac OS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
+        ASSERT (ptr == input + m);
+        ASSERT (errno == 0);            /* Mac OS X 10.3, FreeBSD 6.2, NetBSD 3.0, OpenBSD 4.0, IRIX 6.5, OSF/1 5.1, mingw */
       }
     free (input);
   }
@@ -892,20 +958,20 @@ main ()
     char *input = malloc (m + 1);
     if (input)
       {
-       char *ptr;
-       double result;
-       input[0] = '-';
-       input[1] = '0';
-       input[2] = 'e';
-       input[3] = '1';
-       memset (input + 4, '0', m - 3);
-       input[m] = '\0';
-       errno = 0;
-       result = strtod (input, &ptr);
-       ASSERT (result == 0.0);
-       ASSERT (!!signbit (result) == !!signbit (-0.0)); /* IRIX 6.5, OSF/1 4.0 */
-       ASSERT (ptr == input + m);
-       ASSERT (errno == 0);
+        char *ptr;
+        double result;
+        input[0] = '-';
+        input[1] = '0';
+        input[2] = 'e';
+        input[3] = '1';
+        memset (input + 4, '0', m - 3);
+        input[m] = '\0';
+        errno = 0;
+        result = strtod (input, &ptr);
+        ASSERT (result == 0.0);
+        ASSERT (!!signbit (result) == !!signbit (minus_zerod)); /* IRIX 6.5, OSF/1 4.0 */
+        ASSERT (ptr == input + m);
+        ASSERT (errno == 0);
       }
     free (input);
   }