X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-vasprintf-posix.c;h=ee3e7585968901ed1d9503bb424f61707eed4e3b;hb=2fbe772172eb8f078031d68030e3b85c5bd8d57b;hp=e75e15d386874f2a21e5b8c183fb5932c15bfebb;hpb=4eb59b32a2a687c113f3c0dfc166fc2573acb84f;p=gnulib.git diff --git a/tests/test-vasprintf-posix.c b/tests/test-vasprintf-posix.c index e75e15d38..ee3e75859 100644 --- a/tests/test-vasprintf-posix.c +++ b/tests/test-vasprintf-posix.c @@ -1,5 +1,5 @@ /* Test of POSIX compatible vasprintf() and asprintf() 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 @@ -23,7 +23,6 @@ #include #include #include -#include #include #include #include @@ -53,12 +52,24 @@ 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. */ @@ -520,7 +531,7 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) { /* Negative zero. */ char *result; int retval = - my_asprintf (&result, "%La %d", -zerol, 33, 44, 55); + my_asprintf (&result, "%La %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); if (have_minus_zero ()) ASSERT (strcmp (result, "-0x0p+0 33") == 0); @@ -1332,7 +1343,7 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) { /* Negative zero. */ char *result; int retval = - my_asprintf (&result, "%Lf %d", -zerol, 33, 44, 55); + my_asprintf (&result, "%Lf %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); @@ -1779,7 +1790,7 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) { /* Negative zero. */ char *result; int retval = - my_asprintf (&result, "%LF %d", -zerol, 33, 44, 55); + my_asprintf (&result, "%LF %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); if (have_minus_zero ()) ASSERT (strcmp (result, "-0.000000 33") == 0); @@ -2212,7 +2223,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2222,7 +2234,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2311,8 +2324,16 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) char *result; int retval = my_asprintf (&result, "%Le", data[k].value); + const char *expected = data[k].string; ASSERT (result != NULL); - ASSERT (strcmp (result, data[k].string) == 0); + 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)); free (result); } @@ -2323,7 +2344,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2333,7 +2355,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2341,10 +2364,11 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) { /* Negative zero. */ char *result; int retval = - my_asprintf (&result, "%Le %d", -zerol, 33, 44, 55); + my_asprintf (&result, "%Le %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); 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)); free (result); } @@ -2489,7 +2513,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2499,7 +2524,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2509,7 +2535,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2519,7 +2546,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2529,7 +2557,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2539,7 +2568,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2549,7 +2579,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2559,7 +2590,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2592,7 +2624,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "1e+03 33") == 0); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); ASSERT (retval == strlen (result)); free (result); } @@ -2602,7 +2635,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%.4Le %d", 999.951L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2612,7 +2646,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%.4Le %d", 999.996L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -2955,7 +2990,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -3044,8 +3080,17 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) char *result; int retval = my_asprintf (&result, "%Lg", data[k].value); + const char *expected = data[k].string; ASSERT (result != NULL); - ASSERT (strcmp (result, data[k].string) == 0); + 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)); free (result); } @@ -3074,7 +3119,7 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) { /* Negative zero. */ char *result; int retval = - my_asprintf (&result, "%Lg %d", -zerol, 33, 44, 55); + my_asprintf (&result, "%Lg %d", minus_zerol, 33, 44, 55); ASSERT (result != NULL); if (have_minus_zero ()) ASSERT (strcmp (result, "-0 33") == 0); @@ -3282,7 +3327,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55); ASSERT (result != NULL); - 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)); free (result); } @@ -3325,7 +3371,8 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) int retval = my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55); ASSERT (result != NULL); - ASSERT (strcmp (result, "1e+03 33") == 0); + ASSERT (strcmp (result, "1e+03 33") == 0 + || strcmp (result, "1e+003 33") == 0); ASSERT (retval == strlen (result)); free (result); } @@ -3438,6 +3485,19 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) { char *result; int retval = + my_asprintf (&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); + ASSERT (retval == strlen (result)); + free (result); + } + + { + char *result; + int retval = my_asprintf (&result, "%.4000d %d", -1234567, 99); size_t i; ASSERT (result != NULL); @@ -3519,6 +3579,56 @@ test_function (int (*my_asprintf) (char **, const char *, ...)) ASSERT (retval == strlen (result)); free (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; + int retval; + + block = (char *) malloc (i); + memcpy (block, "abcdefgh", i); + retval = my_asprintf (&result, "%.*s", (int) i, block); + ASSERT (result != NULL); + ASSERT (memcmp (result, block, i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (retval == strlen (result)); + free (result); + free (block); + } + } +#if HAVE_WCHAR_T + { + size_t i; + + for (i = 1; i <= 8; i++) + { + wchar_t *block; + size_t j; + char *result; + int retval; + + block = (wchar_t *) malloc (i * sizeof (wchar_t)); + for (j = 0; j < i; j++) + block[j] = "abcdefgh"[j]; + retval = my_asprintf (&result, "%.*ls", (int) i, block); + ASSERT (result != NULL); + ASSERT (memcmp (result, "abcdefgh", i) == 0); + ASSERT (result[i] == '\0'); + ASSERT (retval == strlen (result)); + free (result); + free (block); + } + } +#endif } static int