diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/Makefile | 2 | ||||
| -rw-r--r-- | misc/tst-ldbl-error.c | 130 |
2 files changed, 131 insertions, 1 deletions
diff --git a/misc/Makefile b/misc/Makefile index 201de124f4..c2c9994d17 100644 --- a/misc/Makefile +++ b/misc/Makefile @@ -85,7 +85,7 @@ tests := tst-dirname tst-tsearch tst-fdset tst-efgcvt tst-mntent tst-hsearch \ tst-mntent-blank-corrupt tst-mntent-blank-passno bug18240 \ tst-preadvwritev tst-preadvwritev64 tst-makedev tst-empty \ tst-preadvwritev2 tst-preadvwritev64v2 tst-warn-wide \ - tst-ldbl-warn + tst-ldbl-warn tst-ldbl-error # Tests which need libdl. ifeq (yes,$(build-shared)) diff --git a/misc/tst-ldbl-error.c b/misc/tst-ldbl-error.c new file mode 100644 index 0000000000..a02cb2772a --- /dev/null +++ b/misc/tst-ldbl-error.c @@ -0,0 +1,130 @@ +/* Test for the long double conversions in *err* functions. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <err.h> +#include <errno.h> +#include <error.h> +#include <stdarg.h> +#include <string.h> + +#include <support/capture_subprocess.h> +#include <support/check.h> + +struct tests +{ + void *callback; + const char *expected; +}; + +va_list args; + +static void +callback_err (void *closure) +{ + errno = 0; + err (0, "%Lf", (long double) -1); +} + +static void +callback_errx (void *closure) +{ + errno = 0; + errx (0, "%Lf", (long double) -1); +} + +static void +callback_verr (void *closure) +{ + errno = 0; + verr (0, "%Lf", args); +} + +static void +callback_verrx (void *closure) +{ + errno = 0; + verrx (0, "%Lf", args); +} + +static void +callback_error (void *closure) +{ + errno = 0; + error (0, 0, "%Lf", (long double) -1); +} + +static void +callback_error_at_line (void *closure) +{ + errno = 0; + error_at_line (0, 0, "", 0, "%Lf", (long double) -1); +} + +static void +do_one_test (void *callback, const char *expected, ...) +{ + struct support_capture_subprocess result; + + va_start (args, expected); + + /* Call 'callback', which fills in the output and error buffers. */ + result = support_capture_subprocess (callback, NULL); + + /* The functions err, errx, verr, and verrx print just the program + name followed by a colon, whereas error and error_at_line print the + whole path to the program. Since the whole path depends on the + working directory used to build and test glibc, remove it from the + comparison against the expected result. */ + const char *needle = "tst-ldbl-error:"; + char *message; + message = strstr (result.err.buffer, needle); + + /* Verify that the output message is as expected. */ + if (strcmp (message, expected) != 0) + { + support_record_failure (); + printf ("error:\n" + " expected: '%s'\n" + " actual: '%s'\n", + expected, message); + } + + va_end (args); +} + +static int +do_test (void) +{ + struct tests tests[] = { + { &callback_err, "tst-ldbl-error: -1.000000: Success\n" }, + { &callback_errx, "tst-ldbl-error: -1.000000\n" }, + { &callback_verr, "tst-ldbl-error: -1.000000: Success\n" }, + { &callback_verrx, "tst-ldbl-error: -1.000000\n" }, + { &callback_error, "tst-ldbl-error: -1.000000\n" }, + { &callback_error_at_line, "tst-ldbl-error::0: -1.000000\n" } + }; + + for (int i = 0; i < sizeof (tests) / sizeof (tests[0]); i++) + { + do_one_test (tests[i].callback, tests[i].expected, (long double) -1); + } + + return 0; +} + +#include <support/test-driver.c> |