X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sprintf-posix.h;h=ce87a3a1a9e56e280169f50b957c6f0c45f2363c;hb=9c9af489440fbc63e4c5eeb21b21aa5aa4520394;hp=df0adccf73822578a73472bd84d5b2dbab028edc;hpb=ee6d9baacd6be1baf7c81422f2f716e3fe280c05;p=gnulib.git diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h index df0adccf7..ce87a3a1a 100644 --- a/tests/test-sprintf-posix.h +++ b/tests/test-sprintf-posix.h @@ -1,10 +1,10 @@ /* Test of POSIX compatible vsprintf() and sprintf() functions. - Copyright (C) 2007 Free Software Foundation, Inc. + Copyright (C) 2007-2008 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -12,32 +12,29 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software Foundation, - Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + along with this program. If not, see . */ /* Written by Bruno Haible , 2007. */ -/* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */ -#ifdef __DECC -static double -NaN () -{ - static double zero = 0.0; - return zero / zero; -} -#else -# define NaN() (0.0 / 0.0) -#endif +#include "nan.h" /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */ static int have_minus_zero () { static double plus_zero = 0.0; - static double minus_zero = -0.0; + double minus_zero = - plus_zero; return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0; } +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. + So we use -zero instead. */ +double zerod = 0.0; + +/* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0L. + So we use -zero instead. */ +long double zerol = 0.0L; + /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */ #ifdef WORDS_BIGENDIAN @@ -169,7 +166,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", -0.0, 33, 44, 55); + my_sprintf (result, "%a %d", -zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (retval == strlen (result)); @@ -194,7 +191,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%a %d", NaN (), 33, 44, 55); + my_sprintf (result, "%a %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -391,7 +388,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050a %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55); /* "0000000nan 33" is not a valid result; see */ ASSERT (strlen (result) == 50 + 3 @@ -433,7 +430,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%La %d", -zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (retval == strlen (result)); @@ -458,7 +455,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%La %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -743,7 +740,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050La %d", 0.0L / 0.0L, 33, 44, 55); + my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55); /* "0000000nan 33" is not a valid result; see */ ASSERT (strlen (result) == 50 + 3 @@ -878,7 +875,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", -0.0, 33, 44, 55); + my_sprintf (result, "%f %d", -zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -905,7 +902,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%f %d", NaN (), 33, 44, 55); + my_sprintf (result, "%f %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -980,7 +977,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050f %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -995,6 +992,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* A positive number. */ char result[1000]; int retval = @@ -1119,7 +1132,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Lf %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%Lf %d", -zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1144,10 +1157,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%Lf %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%Lf %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1307,10 +1319,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* FLAG_ZERO with NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%050Lf %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1325,6 +1336,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + /* Test the support of the %F format directive. */ { /* A positive number. */ @@ -1362,7 +1389,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", -0.0, 33, 44, 55); + my_sprintf (result, "%F %d", -zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1389,7 +1416,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%F %d", NaN (), 33, 44, 55); + my_sprintf (result, "%F %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 1) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1421,6 +1448,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* A positive number. */ char result[1000]; int retval = @@ -1456,7 +1499,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%LF %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%LF %d", -zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1481,10 +1524,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%LF %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 1) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1516,6 +1558,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1000.00 33") == 0); + ASSERT (retval == strlen (result)); + } + /* Test the support of the %e format directive. */ { /* A positive number. */ @@ -1621,7 +1679,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%e", data[k].value); const char *expected = data[k].string; - ASSERT (result != NULL); ASSERT (strcmp (result, expected) == 0 /* Some implementations produce exponents with 3 digits. */ || (strlen (result) == strlen (expected) + 1 @@ -1655,7 +1712,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", -0.0, 33, 44, 55); + my_sprintf (result, "%e %d", -zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000e+00 33") == 0 || strcmp (result, "-0.000000e+000 33") == 0); @@ -1683,7 +1740,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%e %d", NaN (), 33, 44, 55); + my_sprintf (result, "%e %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1774,7 +1831,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050e %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -1790,11 +1847,30 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* A positive number. */ char result[1000]; int retval = my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.275000e+01 33") == 0); + ASSERT (strcmp (result, "1.275000e+01 33") == 0 + || strcmp (result, "1.275000e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -1802,7 +1878,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55); - ASSERT (strcmp (result, "1.234567e+06 33") == 0); + ASSERT (strcmp (result, "1.234567e+06 33") == 0 + || strcmp (result, "1.234567e+006 33") == 0); ASSERT (retval == strlen (result)); } @@ -1890,7 +1967,15 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le", data[k].value); - ASSERT (strcmp (result, data[k].string) == 0); + const char *expected = data[k].string; + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); ASSERT (retval == strlen (result)); } } @@ -1899,7 +1984,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55); - ASSERT (strcmp (result, "-3.125000e-02 33") == 0); + ASSERT (strcmp (result, "-3.125000e-02 33") == 0 + || strcmp (result, "-3.125000e-002 33") == 0); ASSERT (retval == strlen (result)); } @@ -1907,16 +1993,18 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55); - ASSERT (strcmp (result, "0.000000e+00 33") == 0); + ASSERT (strcmp (result, "0.000000e+00 33") == 0 + || strcmp (result, "0.000000e+000 33") == 0); ASSERT (retval == strlen (result)); } { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Le %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%Le %d", -zerol, 33, 44, 55); if (have_minus_zero ()) - ASSERT (strcmp (result, "-0.000000e+00 33") == 0); + ASSERT (strcmp (result, "-0.000000e+00 33") == 0 + || strcmp (result, "-0.000000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -1939,10 +2027,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%Le %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2040,7 +2127,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, " 1.750000e+00 33") == 0); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2048,7 +2136,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.750000e+00 33") == 0); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2056,7 +2145,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "+1.750000e+00 33") == 0); + ASSERT (strcmp (result, "+1.750000e+00 33") == 0 + || strcmp (result, "+1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2064,7 +2154,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, " 1.750000e+00 33") == 0); + ASSERT (strcmp (result, " 1.750000e+00 33") == 0 + || strcmp (result, " 1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2072,7 +2163,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.750000e+00 33") == 0); + ASSERT (strcmp (result, "1.750000e+00 33") == 0 + || strcmp (result, "1.750000e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2080,7 +2172,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55); - ASSERT (strcmp (result, "2.e+00 33") == 0); + ASSERT (strcmp (result, "2.e+00 33") == 0 + || strcmp (result, "2.e+000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2088,7 +2181,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.e+01 33") == 0); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -2096,7 +2190,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55); - ASSERT (strcmp (result, "0001.234000e+03 33") == 0); + ASSERT (strcmp (result, "0001.234000e+03 33") == 0 + || strcmp (result, "001.234000e+003 33") == 0); ASSERT (retval == strlen (result)); } @@ -2110,10 +2205,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* FLAG_ZERO with NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%050Le %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2124,7 +2218,26 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55); - ASSERT (strcmp (result, "1e+03 33") == 0); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); ASSERT (retval == strlen (result)); } @@ -2264,7 +2377,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", -0.0, 33, 44, 55); + my_sprintf (result, "%g %d", -zerod, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0 33") == 0); ASSERT (retval == strlen (result)); @@ -2291,7 +2404,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* NaN. */ char result[1000]; int retval = - my_sprintf (result, "%g %d", NaN (), 33, 44, 55); + my_sprintf (result, "%g %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2375,7 +2488,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* FLAG_ZERO with NaN. */ char result[1000]; int retval = - my_sprintf (result, "%050g %d", NaN (), 33, 44, 55); + my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2391,6 +2504,22 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (retval == strlen (result)); } + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55); + ASSERT (strcmp (result, "1000 33") == 0); + ASSERT (retval == strlen (result)); + } + { /* A positive number. */ char result[1000]; int retval = @@ -2403,7 +2532,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55); - ASSERT (strcmp (result, "1.23457e+06 33") == 0); + ASSERT (strcmp (result, "1.23457e+06 33") == 0 + || strcmp (result, "1.23457e+006 33") == 0); ASSERT (retval == strlen (result)); } @@ -2491,7 +2621,16 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%Lg", data[k].value); - ASSERT (strcmp (result, data[k].string) == 0); + const char *expected = data[k].string; + ASSERT (strcmp (result, expected) == 0 + /* Some implementations produce exponents with 3 digits. */ + || (expected[strlen (expected) - 4] == 'e' + && strlen (result) == strlen (expected) + 1 + && memcmp (result, expected, strlen (expected) - 2) == 0 + && result[strlen (expected) - 2] == '0' + && strcmp (result + strlen (expected) - 1, + expected + strlen (expected) - 2) + == 0)); ASSERT (retval == strlen (result)); } } @@ -2515,7 +2654,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Lg %d", -0.0L, 33, 44, 55); + my_sprintf (result, "%Lg %d", -zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0 33") == 0); ASSERT (retval == strlen (result)); @@ -2540,10 +2679,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%Lg %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) >= 3 + 3 && strisnan (result, 0, strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2689,7 +2827,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55); - ASSERT (strcmp (result, "1.e+01 33") == 0); + ASSERT (strcmp (result, "1.e+01 33") == 0 + || strcmp (result, "1.e+001 33") == 0); ASSERT (retval == strlen (result)); } @@ -2711,10 +2850,9 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) } { /* FLAG_ZERO with NaN. */ - static long double zero = 0.0L; char result[1000]; int retval = - my_sprintf (result, "%050Lg %d", zero / zero, 33, 44, 55); + my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55); ASSERT (strlen (result) == 50 + 3 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0) && strcmp (result + strlen (result) - 3, " 33") == 0); @@ -2725,7 +2863,24 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[1000]; int retval = my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55); - ASSERT (strcmp (result, "1e+03 33") == 0); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with no rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55); + ASSERT (strcmp (result, "999.95 33") == 0); + ASSERT (retval == strlen (result)); + } + + { /* Precision with rounding. */ + char result[100]; + int retval = + my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55); + ASSERT (strcmp (result, "1000 33") == 0); ASSERT (retval == strlen (result)); } @@ -2760,4 +2915,127 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) ASSERT (result[strlen (result) - 1] == '9'); ASSERT (retval == strlen (result)); } + + /* Test the support of the left-adjust flag. */ + + { + char result[1000]; + int retval = + my_sprintf (result, "a%*sc", -3, "b"); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "a%-*sc", 3, "b"); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[1000]; + int retval = + my_sprintf (result, "a%-*sc", -3, "b"); + ASSERT (strcmp (result, "ab c") == 0); + ASSERT (retval == strlen (result)); + } + + /* Test the support of large precision. */ + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000d %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.*d %d", 4000, 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000d %d", -1234567, 99); + size_t i; + ASSERT (result[0] == '-'); + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[1 + i] == '0'); + ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000u %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000o %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 7; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%.4000x %d", 1234567, 99); + size_t i; + for (i = 0; i < 4000 - 6; i++) + ASSERT (result[i] == '0'); + ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char result[5000]; + int retval = + my_sprintf (result, "%#.4000x %d", 1234567, 99); + size_t i; + ASSERT (result[0] == '0'); + ASSERT (result[1] == 'x'); + for (i = 0; i < 4000 - 6; i++) + ASSERT (result[2 + i] == '0'); + ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0); + ASSERT (retval == strlen (result)); + } + + { + char input[5000]; + char result[5000]; + int retval; + size_t i; + + for (i = 0; i < sizeof (input) - 1; i++) + input[i] = 'a' + ((1000000 / (i + 1)) % 26); + input[i] = '\0'; + retval = my_sprintf (result, "%.4000s %d", input, 99); + ASSERT (memcmp (result, input, 4000) == 0); + ASSERT (strcmp (result + 4000, " 99") == 0); + ASSERT (retval == strlen (result)); + } }