diff tests/test-vasprintf-posix.c @ 9938:9f8c455639fc

Fix rounding when a precision is given.
author Bruno Haible <bruno@clisp.org>
date Sat, 19 Apr 2008 17:26:36 +0200
parents 0be6f1ab456d
children 06a4179ed804
line wrap: on
line diff
--- a/tests/test-vasprintf-posix.c
+++ b/tests/test-vasprintf-posix.c
@@ -1170,6 +1170,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2f %d", 999.951, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "999.95 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2f %d", 999.996, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1000.00 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   { /* A positive number.  */
     char *result;
     int retval =
@@ -1550,6 +1570,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2Lf %d", 999.951L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "999.95 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2Lf %d", 999.996L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1000.00 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   /* Test the support of the %F format directive.  */
 
   { /* A positive number.  */
@@ -1668,6 +1708,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2F %d", 999.951, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "999.95 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2F %d", 999.996, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1000.00 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   { /* A positive number.  */
     char *result;
     int retval =
@@ -1784,6 +1844,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2LF %d", 999.951L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "999.95 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.2LF %d", 999.996L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1000.00 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   /* Test the support of the %e format directive.  */
 
   { /* A positive number.  */
@@ -2097,6 +2177,28 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.4e %d", 999.951, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "9.9995e+02 33") == 0
+	    || strcmp (result, "9.9995e+002 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.4e %d", 999.996, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1.0000e+03 33") == 0
+	    || strcmp (result, "1.0000e+003 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   { /* A positive number.  */
     char *result;
     int retval =
@@ -2487,6 +2589,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.4Le %d", 999.951L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "9.9995e+02 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.4Le %d", 999.996L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1.0000e+03 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   /* Test the support of the %g format directive.  */
 
   { /* A positive number.  */
@@ -2790,6 +2912,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.5g %d", 999.951, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "999.95 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.5g %d", 999.996, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1000 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   { /* A positive number.  */
     char *result;
     int retval =
@@ -3180,6 +3322,26 @@
     free (result);
   }
 
+  { /* Precision with no rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.5Lg %d", 999.951L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "999.95 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
+  { /* Precision with rounding.  */
+    char *result;
+    int retval =
+      my_asprintf (&result, "%.5Lg %d", 999.996L, 33, 44, 55);
+    ASSERT (result != NULL);
+    ASSERT (strcmp (result, "1000 33") == 0);
+    ASSERT (retval == strlen (result));
+    free (result);
+  }
+
   /* Test the support of the %n format directive.  */
 
   {