X-Git-Url: https://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-sprintf-posix.h;h=ded5042ab0080be1890c6b5503386ef8e0476119;hb=f6fe750d033c40b403688dc3eee9dbff468aa8f3;hp=7767c89bcf559921e65e117d7b5c38d38bc02ec7;hpb=48f8accaa33dfce46b63cc225a88d9421e4d2dc8;p=gnulib.git diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h index 7767c89bc..ded5042ab 100644 --- a/tests/test-sprintf-posix.h +++ b/tests/test-sprintf-posix.h @@ -1,5 +1,5 @@ /* Test of POSIX compatible vsprintf() and sprintf() functions. - Copyright (C) 2007-2008 Free Software Foundation, Inc. + Copyright (C) 2007-2009 Free Software Foundation, Inc. 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 @@ -28,12 +28,24 @@ have_minus_zero () } /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0. - So we use -zero instead. */ + So we use -zerod 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; +/* On HP-UX 10.20, negating 0.0L does not yield -0.0L. + So we use minus_zerol instead. + IRIX cc can't put -0.0L into .data, but can compute at runtime. + Note that the expression -LDBL_MIN * LDBL_MIN does not work on other + platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */ +#if defined __hpux || defined __sgi +static long double +compute_minus_zerol (void) +{ + return -LDBL_MIN * LDBL_MIN; +} +# define minus_zerol compute_minus_zerol () +#else +long double minus_zerol = -0.0L; +#endif /* Representation of an 80-bit 'long double' as an initializer for a sequence of 'unsigned int' words. */ @@ -430,7 +442,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%La %d", -zerol, 33, 44, 55); + my_sprintf (result, "%La %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0x0p+0 33") == 0); ASSERT (retval == strlen (result)); @@ -1132,7 +1144,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Lf %d", -zerol, 33, 44, 55); + my_sprintf (result, "%Lf %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1499,7 +1511,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%LF %d", -zerol, 33, 44, 55); + my_sprintf (result, "%LF %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); ASSERT (retval == strlen (result)); @@ -1679,7 +1691,6 @@ 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 @@ -1870,7 +1881,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) 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)); } @@ -1878,7 +1890,8 @@ 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)); } @@ -1966,7 +1979,15 @@ 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)); } } @@ -1975,7 +1996,8 @@ 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)); } @@ -1983,16 +2005,18 @@ 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", -zerol, 33, 44, 55); + my_sprintf (result, "%Le %d", minus_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)); } @@ -2115,7 +2139,8 @@ 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)); } @@ -2123,7 +2148,8 @@ 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)); } @@ -2131,7 +2157,8 @@ 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)); } @@ -2139,7 +2166,8 @@ 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)); } @@ -2147,7 +2175,8 @@ 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)); } @@ -2155,7 +2184,8 @@ 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)); } @@ -2163,7 +2193,8 @@ 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)); } @@ -2171,7 +2202,8 @@ 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)); } @@ -2198,7 +2230,8 @@ 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)); } @@ -2206,7 +2239,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[100]; int retval = my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55); - ASSERT (strcmp (result, "9.9995e+02 33") == 0); + ASSERT (strcmp (result, "9.9995e+02 33") == 0 + || strcmp (result, "9.9995e+002 33") == 0); ASSERT (retval == strlen (result)); } @@ -2214,7 +2248,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) char result[100]; int retval = my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55); - ASSERT (strcmp (result, "1.0000e+03 33") == 0); + ASSERT (strcmp (result, "1.0000e+03 33") == 0 + || strcmp (result, "1.0000e+003 33") == 0); ASSERT (retval == strlen (result)); } @@ -2509,7 +2544,8 @@ 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)); } @@ -2597,7 +2633,16 @@ 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)); } } @@ -2621,7 +2666,7 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) { /* Negative zero. */ char result[1000]; int retval = - my_sprintf (result, "%Lg %d", -zerol, 33, 44, 55); + my_sprintf (result, "%Lg %d", minus_zerol, 33, 44, 55); if (have_minus_zero ()) ASSERT (strcmp (result, "-0 33") == 0); ASSERT (retval == strlen (result)); @@ -2794,7 +2839,8 @@ 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)); } @@ -2829,7 +2875,8 @@ 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)); } @@ -2914,7 +2961,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.4000d %d", 1234567, 99); size_t i; - ASSERT (result != NULL); for (i = 0; i < 4000 - 7; i++) ASSERT (result[i] == '0'); ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); @@ -2926,7 +2972,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.*d %d", 4000, 1234567, 99); size_t i; - ASSERT (result != NULL); for (i = 0; i < 4000 - 7; i++) ASSERT (result[i] == '0'); ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); @@ -2938,7 +2983,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.4000d %d", -1234567, 99); size_t i; - ASSERT (result != NULL); ASSERT (result[0] == '-'); for (i = 0; i < 4000 - 7; i++) ASSERT (result[1 + i] == '0'); @@ -2951,7 +2995,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.4000u %d", 1234567, 99); size_t i; - ASSERT (result != NULL); for (i = 0; i < 4000 - 7; i++) ASSERT (result[i] == '0'); ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0); @@ -2963,7 +3006,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.4000o %d", 1234567, 99); size_t i; - ASSERT (result != NULL); for (i = 0; i < 4000 - 7; i++) ASSERT (result[i] == '0'); ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0); @@ -2975,7 +3017,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%.4000x %d", 1234567, 99); size_t i; - ASSERT (result != NULL); for (i = 0; i < 4000 - 6; i++) ASSERT (result[i] == '0'); ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0); @@ -2987,7 +3028,6 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) int retval = my_sprintf (result, "%#.4000x %d", 1234567, 99); size_t i; - ASSERT (result != NULL); ASSERT (result[0] == '0'); ASSERT (result[1] == 'x'); for (i = 0; i < 4000 - 6; i++) @@ -3006,9 +3046,54 @@ test_function (int (*my_sprintf) (char *, const char *, ...)) input[i] = 'a' + ((1000000 / (i + 1)) % 26); input[i] = '\0'; retval = my_sprintf (result, "%.4000s %d", input, 99); - ASSERT (result != NULL); ASSERT (memcmp (result, input, 4000) == 0); ASSERT (strcmp (result + 4000, " 99") == 0); ASSERT (retval == strlen (result)); } + + /* Test the support of the %s format directive. */ + + /* To verify that these tests succeed, it is necessary to run them under + a tool that checks against invalid memory accesses, such as ElectricFence + or "valgrind --tool=memcheck". */ + { + size_t i; + + for (i = 1; i <= 8; i++) + { + char *block; + char result[5000]; + int retval; + + block = (char *) malloc (i); + memcpy (block, "abcdefgh", i); + retval = my_sprintf (result, "%.*s", (int) i, block); + ASSERT (memcmp (result, block, i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (retval == strlen (result)); + free (block); + } + } +#if HAVE_WCHAR_T + { + size_t i; + + for (i = 1; i <= 8; i++) + { + wchar_t *block; + size_t j; + char result[5000]; + int retval; + + block = (wchar_t *) malloc (i * sizeof (wchar_t)); + for (j = 0; j < i; j++) + block[j] = "abcdefgh"[j]; + retval = my_sprintf (result, "%.*ls", (int) i, block); + ASSERT (memcmp (result, "abcdefgh", i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (retval == strlen (result)); + free (block); + } + } +#endif }