Work around an incorrect implementation of the 0 flag on most platforms.

[gnulib.git] / tests / test-sprintf-posix.h

diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h
index f6d70e6..2de6d0f 100644 (file)
--- a/tests/test-sprintf-posix.h
+++ b/tests/test-sprintf-posix.h
@@ -669,7 +669,55 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     ASSERT (retval == strlen (result));
   }
 
-  { /* FLAG_ZERO.  */
+  { /* Width.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
+    ASSERT (strcmp (result, "  1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_LEFT.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
+    ASSERT (strcmp (result, "1.750000   33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_SHOWSIGN.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
+    ASSERT (strcmp (result, "+1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_SPACE.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
+    ASSERT (strcmp (result, " 1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_ALT.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
+    ASSERT (strcmp (result, "1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_ALT.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
+    ASSERT (strcmp (result, "2. 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_ZERO with finite number.  */
     char result[1000];
     int retval =
       my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
@@ -686,6 +734,14 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     ASSERT (retval == strlen (result));
   }
 
+  { /* FLAG_ZERO with NaN.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%015f %d", NaN (), 33, 44, 55);
+    ASSERT (strcmp (result, "            nan 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
   { /* Precision.  */
     char result[1000];
     int retval =
@@ -761,7 +817,55 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     ASSERT (retval == strlen (result));
   }
 
-  { /* FLAG_ZERO.  */
+  { /* Width.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
+    ASSERT (strcmp (result, "  1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_LEFT.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
+    ASSERT (strcmp (result, "1.750000   33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_SHOWSIGN.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
+    ASSERT (strcmp (result, "+1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_SPACE.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
+    ASSERT (strcmp (result, " 1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_ALT.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
+    ASSERT (strcmp (result, "1.750000 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_ALT.  */
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
+    ASSERT (strcmp (result, "2. 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
+  { /* FLAG_ZERO with finite number.  */
     char result[1000];
     int retval =
       my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
@@ -778,6 +882,15 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     ASSERT (retval == strlen (result));
   }
 
+  { /* FLAG_ZERO with NaN.  */
+    static long double zero = 0.0L;
+    char result[1000];
+    int retval =
+      my_sprintf (result, "%015Lf %d", zero / zero, 33, 44, 55);
+    ASSERT (strcmp (result, "            nan 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
   { /* Precision.  */
     char result[1000];
     int retval =