diff options
Diffstat (limited to 'tests/tap')
| -rw-r--r-- | tests/tap/basic.c | 605 | ||||
| -rw-r--r-- | tests/tap/basic.h | 132 | ||||
| -rw-r--r-- | tests/tap/files.c | 66 | ||||
| -rw-r--r-- | tests/tap/files.h | 44 | ||||
| -rw-r--r-- | tests/tap/float.c | 67 | ||||
| -rw-r--r-- | tests/tap/float.h | 39 | ||||
| -rw-r--r-- | tests/tap/libtap.sh | 246 | ||||
| -rw-r--r-- | tests/tap/macros.h | 85 | ||||
| -rw-r--r-- | tests/tap/runtests.c | 1393 |
9 files changed, 2677 insertions, 0 deletions
diff --git a/tests/tap/basic.c b/tests/tap/basic.c new file mode 100644 index 0000000..23b595c --- /dev/null +++ b/tests/tap/basic.c @@ -0,0 +1,605 @@ +/* + * Some utility routines for writing tests. + * + * Here are a variety of utility routines for writing tests compatible with + * the TAP protocol. All routines of the form ok() or is*() take a test + * number and some number of appropriate arguments, check to be sure the + * results match the expected output using the arguments, and print out + * something appropriate for that test number. Other utility routines help in + * constructing more complex tests, skipping tests, reporting errors, setting + * up the TAP output format, or finding things in the test environment. + * + * This file is part of C TAP Harness. The current version plus supporting + * documentation is at <http://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Copyright 2009, 2010, 2011, 2012 Russ Allbery <rra@stanford.edu> + * Copyright 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2011, 2012, 2013 + * The Board of Trustees of the Leland Stanford Junior University + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <errno.h> +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifdef _WIN32 +# include <direct.h> +#else +# include <sys/stat.h> +#endif +#include <sys/types.h> +#include <unistd.h> + +#include "basic.h" + +/* Windows provides mkdir and rmdir under different names. */ +#ifdef _WIN32 +# define mkdir(p, m) _mkdir(p) +# define rmdir(p) _rmdir(p) +#endif + +/* + * The test count. Always contains the number that will be used for the next + * test status. + */ +unsigned long testnum = 1; + +/* + * Status information stored so that we can give a test summary at the end of + * the test case. We store the planned final test and the count of failures. + * We can get the highest test count from testnum. + * + * We also store the PID of the process that called plan() and only summarize + * results when that process exits, so as to not misreport results in forked + * processes. + * + * If _lazy is true, we're doing lazy planning and will print out the plan + * based on the last test number at the end of testing. + */ +static unsigned long _planned = 0; +static unsigned long _failed = 0; +static pid_t _process = 0; +static int _lazy = 0; + +/* + * Our exit handler. Called on completion of the test to report a summary of + * results provided we're still in the original process. This also handles + * printing out the plan if we used plan_lazy(), although that's suppressed if + * we never ran a test (due to an early bail, for example). + */ +static void +finish(void) +{ + unsigned long highest = testnum - 1; + + if (_planned == 0 && !_lazy) + return; + fflush(stderr); + if (_process != 0 && getpid() == _process) { + if (_lazy && highest > 0) { + printf("1..%lu\n", highest); + _planned = highest; + } + if (_planned > highest) + printf("# Looks like you planned %lu test%s but only ran %lu\n", + _planned, (_planned > 1 ? "s" : ""), highest); + else if (_planned < highest) + printf("# Looks like you planned %lu test%s but ran %lu extra\n", + _planned, (_planned > 1 ? "s" : ""), highest - _planned); + else if (_failed > 0) + printf("# Looks like you failed %lu test%s of %lu\n", _failed, + (_failed > 1 ? "s" : ""), _planned); + else if (_planned > 1) + printf("# All %lu tests successful or skipped\n", _planned); + else + printf("# %lu test successful or skipped\n", _planned); + } +} + +/* + * Initialize things. Turns on line buffering on stdout and then prints out + * the number of tests in the test suite. + */ +void +plan(unsigned long count) +{ + if (setvbuf(stdout, NULL, _IOLBF, BUFSIZ) != 0) + fprintf(stderr, "# cannot set stdout to line buffered: %s\n", + strerror(errno)); + fflush(stderr); + printf("1..%lu\n", count); + testnum = 1; + _planned = count; + _process = getpid(); + atexit(finish); +} + +/* + * Initialize things for lazy planning, where we'll automatically print out a + * plan at the end of the program. Turns on line buffering on stdout as well. + */ +void +plan_lazy(void) +{ + if (setvbuf(stdout, NULL, _IOLBF, BUFSIZ) != 0) + fprintf(stderr, "# cannot set stdout to line buffered: %s\n", + strerror(errno)); + testnum = 1; + _process = getpid(); + _lazy = 1; + atexit(finish); +} + +/* + * Skip the entire test suite and exits. Should be called instead of plan(), + * not after it, since it prints out a special plan line. + */ +void +skip_all(const char *format, ...) +{ + fflush(stderr); + printf("1..0 # skip"); + if (format != NULL) { + va_list args; + + putchar(' '); + va_start(args, format); + vprintf(format, args); + va_end(args); + } + putchar('\n'); + exit(0); +} + +/* + * Print the test description. + */ +static void +print_desc(const char *format, va_list args) +{ + printf(" - "); + vprintf(format, args); +} + +/* + * Takes a boolean success value and assumes the test passes if that value + * is true and fails if that value is false. + */ +void +ok(int success, const char *format, ...) +{ + fflush(stderr); + printf("%sok %lu", success ? "" : "not ", testnum++); + if (!success) + _failed++; + if (format != NULL) { + va_list args; + + va_start(args, format); + print_desc(format, args); + va_end(args); + } + putchar('\n'); +} + +/* + * Same as ok(), but takes the format arguments as a va_list. + */ +void +okv(int success, const char *format, va_list args) +{ + fflush(stderr); + printf("%sok %lu", success ? "" : "not ", testnum++); + if (!success) + _failed++; + if (format != NULL) + print_desc(format, args); + putchar('\n'); +} + +/* + * Skip a test. + */ +void +skip(const char *reason, ...) +{ + fflush(stderr); + printf("ok %lu # skip", testnum++); + if (reason != NULL) { + va_list args; + + va_start(args, reason); + putchar(' '); + vprintf(reason, args); + va_end(args); + } + putchar('\n'); +} + +/* + * Report the same status on the next count tests. + */ +void +ok_block(unsigned long count, int status, const char *format, ...) +{ + unsigned long i; + + fflush(stderr); + for (i = 0; i < count; i++) { + printf("%sok %lu", status ? "" : "not ", testnum++); + if (!status) + _failed++; + if (format != NULL) { + va_list args; + + va_start(args, format); + print_desc(format, args); + va_end(args); + } + putchar('\n'); + } +} + +/* + * Skip the next count tests. + */ +void +skip_block(unsigned long count, const char *reason, ...) +{ + unsigned long i; + + fflush(stderr); + for (i = 0; i < count; i++) { + printf("ok %lu # skip", testnum++); + if (reason != NULL) { + va_list args; + + va_start(args, reason); + putchar(' '); + vprintf(reason, args); + va_end(args); + } + putchar('\n'); + } +} + +/* + * Takes an expected integer and a seen integer and assumes the test passes + * if those two numbers match. + */ +void +is_int(long long wanted, long long seen, const char *format, ...) +{ + fflush(stderr); + if (wanted == seen) + printf("ok %lu", testnum++); + else { + printf("# wanted: %lld\n# seen: %lld\n", wanted, seen); + printf("not ok %lu", testnum++); + _failed++; + } + if (format != NULL) { + va_list args; + + va_start(args, format); + print_desc(format, args); + va_end(args); + } + putchar('\n'); +} + +/* + * Takes a string and what the string should be, and assumes the test passes + * if those strings match (using strcmp). + */ +void +is_string(const char *wanted, const char *seen, const char *format, ...) +{ + if (wanted == NULL) + wanted = "(null)"; + if (seen == NULL) + seen = "(null)"; + fflush(stderr); + if (strcmp(wanted, seen) == 0) + printf("ok %lu", testnum++); + else { + printf("# wanted: %s\n# seen: %s\n", wanted, seen); + printf("not ok %lu", testnum++); + _failed++; + } + if (format != NULL) { + va_list args; + + va_start(args, format); + print_desc(format, args); + va_end(args); + } + putchar('\n'); +} + +/* + * Takes an expected unsigned long and a seen unsigned long and assumes the + * test passes if the two numbers match. Otherwise, reports them in hex. + */ +void +is_hex(unsigned long long wanted, unsigned long long seen, + const char *format, ...) +{ + fflush(stderr); + if (wanted == seen) + printf("ok %lu", testnum++); + else { + printf("# wanted: %llx\n# seen: %llx\n", + (unsigned long long) wanted, + (unsigned long long) seen); + printf("not ok %lu", testnum++); + _failed++; + } + if (format != NULL) { + va_list args; + + va_start(args, format); + print_desc(format, args); + va_end(args); + } + putchar('\n'); +} + +/* + * Bail out with an error. + */ +void +bail(const char *format, ...) +{ + va_list args; + + fflush(stderr); + fflush(stdout); + printf("Bail out! "); + va_start(args, format); + vprintf(format, args); + va_end(args); + printf("\n"); + exit(255); +} + +/* + * Bail out with an error, appending strerror(errno). + */ +void +sysbail(const char *format, ...) +{ + va_list args; + int oerrno = errno; + + fflush(stderr); + fflush(stdout); + printf("Bail out! "); + va_start(args, format); + vprintf(format, args); + va_end(args); + printf(": %s\n", strerror(oerrno)); + exit(255); +} + +/* + * Report a diagnostic to stderr. + */ +void +diag(const char *format, ...) +{ + va_list args; + + fflush(stderr); + fflush(stdout); + printf("# "); + va_start(args, format); + vprintf(format, args); + va_end(args); + printf("\n"); +} + +/* + * Report a diagnostic to stderr, appending strerror(errno). + */ +void +sysdiag(const char *format, ...) +{ + va_list args; + int oerrno = errno; + + fflush(stderr); + fflush(stdout); + printf("# "); + va_start(args, format); + vprintf(format, args); + va_end(args); + printf(": %s\n", strerror(oerrno)); +} + +/* + * Allocate cleared memory, reporting a fatal error with bail on failure. + */ +void * +bcalloc(size_t n, size_t size) +{ + void *p; + + p = calloc(n, size); + if (p == NULL) + sysbail("failed to calloc %lu", (unsigned long)(n * size)); + return p; +} + +/* + * Allocate memory, reporting a fatal error with bail on failure. + */ +void * +bmalloc(size_t size) +{ + void *p; + + p = malloc(size); + if (p == NULL) + sysbail("failed to malloc %lu", (unsigned long) size); + return p; +} + +/* + * Reallocate memory, reporting a fatal error with bail on failure. + */ +void * +brealloc(void *p, size_t size) +{ + p = realloc(p, size); + if (p == NULL) + sysbail("failed to realloc %lu bytes", (unsigned long) size); + return p; +} + +/* + * Copy a string, reporting a fatal error with bail on failure. + */ +char * +bstrdup(const char *s) +{ + char *p; + size_t len; + + len = strlen(s) + 1; + p = malloc(len); + if (p == NULL) + sysbail("failed to strdup %lu bytes", (unsigned long) len); + memcpy(p, s, len); + return p; +} + +/* + * Copy up to n characters of a string, reporting a fatal error with bail on + * failure. Don't use the system strndup function, since it may not exist and + * the TAP library doesn't assume any portability support. + */ +char * +bstrndup(const char *s, size_t n) +{ + const char *p; + char *copy; + size_t length; + + /* Don't assume that the source string is nul-terminated. */ + for (p = s; (size_t) (p - s) < n && *p != '\0'; p++) + ; + length = p - s; + copy = malloc(length + 1); + if (p == NULL) + sysbail("failed to strndup %lu bytes", (unsigned long) length); + memcpy(copy, s, length); + copy[length] = '\0'; + return copy; +} + +/* + * Locate a test file. Given the partial path to a file, look under BUILD and + * then SOURCE for the file and return the full path to the file. Returns + * NULL if the file doesn't exist. A non-NULL return should be freed with + * test_file_path_free(). + * + * This function uses sprintf because it attempts to be independent of all + * other portability layers. The use immediately after a memory allocation + * should be safe without using snprintf or strlcpy/strlcat. + */ +char * +test_file_path(const char *file) +{ + char *base; + char *path = NULL; + size_t length; + const char *envs[] = { "BUILD", "SOURCE", NULL }; + int i; + + for (i = 0; envs[i] != NULL; i++) { + base = getenv(envs[i]); + if (base == NULL) + continue; + length = strlen(base) + 1 + strlen(file) + 1; + path = bmalloc(length); + snprintf(path, length, "%s/%s", base, file); + if (access(path, R_OK) == 0) + break; + free(path); + path = NULL; + } + return path; +} + +/* + * Free a path returned from test_file_path(). This function exists primarily + * for Windows, where memory must be freed from the same library domain that + * it was allocated from. + */ +void +test_file_path_free(char *path) +{ + if (path != NULL) + free(path); +} + +/* + * Create a temporary directory, tmp, under BUILD if set and the current + * directory if it does not. Returns the path to the temporary directory in + * newly allocated memory, and calls bail on any failure. The return value + * should be freed with test_tmpdir_free. + * + * This function uses sprintf because it attempts to be independent of all + * other portability layers. The use immediately after a memory allocation + * should be safe without using snprintf or strlcpy/strlcat. + */ +char * +test_tmpdir(void) +{ + const char *build; + char *path = NULL; + size_t length; + + build = getenv("BUILD"); + if (build == NULL) + build = "."; + length = strlen(build) + strlen("/tmp") + 1; + path = bmalloc(length); + snprintf(path, length, "%s/tmp", build); + if (access(path, X_OK) < 0) + if (mkdir(path, 0777) < 0) + sysbail("error creating temporary directory %s", path); + return path; +} + +/* + * Free a path returned from test_tmpdir() and attempt to remove the + * directory. If we can't delete the directory, don't worry; something else + * that hasn't yet cleaned up may still be using it. + */ +void +test_tmpdir_free(char *path) +{ + rmdir(path); + if (path != NULL) + free(path); +} diff --git a/tests/tap/basic.h b/tests/tap/basic.h new file mode 100644 index 0000000..2e1b7e3 --- /dev/null +++ b/tests/tap/basic.h @@ -0,0 +1,132 @@ +/* + * Basic utility routines for the TAP protocol. + * + * This file is part of C TAP Harness. The current version plus supporting + * documentation is at <http://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Copyright 2009, 2010, 2011, 2012 Russ Allbery <rra@stanford.edu> + * Copyright 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2011, 2012 + * The Board of Trustees of the Leland Stanford Junior University + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once + +#include "macros.h" +#include <stdarg.h> /* va_list */ +#include <sys/types.h> /* size_t */ + +/* + * Used for iterating through arrays. ARRAY_SIZE returns the number of + * elements in the array (useful for a < upper bound in a for loop) and + * ARRAY_END returns a pointer to the element past the end (ISO C99 makes it + * legal to refer to such a pointer as long as it's never dereferenced). + */ +#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) +#define ARRAY_END(array) (&(array)[ARRAY_SIZE(array)]) + +BEGIN_DECLS + +/* + * The test count. Always contains the number that will be used for the next + * test status. + */ +extern unsigned long testnum; + +/* Print out the number of tests and set standard output to line buffered. */ +void plan(unsigned long count); + +/* + * Prepare for lazy planning, in which the plan will be printed automatically + * at the end of the test program. + */ +void plan_lazy(void); + +/* Skip the entire test suite. Call instead of plan. */ +void skip_all(const char *format, ...) + __attribute__((__noreturn__, __format__(printf, 1, 2))); + +/* + * Basic reporting functions. The okv() function is the same as ok() but + * takes the test description as a va_list to make it easier to reuse the + * reporting infrastructure when writing new tests. + */ +void ok(int success, const char *format, ...) + __attribute__((__format__(printf, 2, 3))); +void okv(int success, const char *format, va_list args); +void skip(const char *reason, ...) + __attribute__((__format__(printf, 1, 2))); + +/* Report the same status on, or skip, the next count tests. */ +void ok_block(unsigned long count, int success, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +void skip_block(unsigned long count, const char *reason, ...) + __attribute__((__format__(printf, 2, 3))); + +/* Check an expected value against a seen value. */ +void is_int(long long wanted, long long seen, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +void is_string(const char *wanted, const char *seen, const char *format, ...) + __attribute__((__format__(printf, 3, 4))); +void is_hex(unsigned long long wanted, unsigned long long seen, + const char *format, ...) + __attribute__((__format__(printf, 3, 4))); + +/* Bail out with an error. sysbail appends strerror(errno). */ +void bail(const char *format, ...) + __attribute__((__noreturn__, __nonnull__, __format__(printf, 1, 2))); +void sysbail(const char *format, ...) + __attribute__((__noreturn__, __nonnull__, __format__(printf, 1, 2))); + +/* Report a diagnostic to stderr prefixed with #. */ +void diag(const char *format, ...) + __attribute__((__nonnull__, __format__(printf, 1, 2))); +void sysdiag(const char *format, ...) + __attribute__((__nonnull__, __format__(printf, 1, 2))); + +/* Allocate memory, reporting a fatal error with bail on failure. */ +void *bcalloc(size_t, size_t) + __attribute__((__alloc_size__(1, 2), __malloc__)); +void *bmalloc(size_t) + __attribute__((__alloc_size__(1), __malloc__)); +void *brealloc(void *, size_t) + __attribute__((__alloc_size__(2), __malloc__)); +char *bstrdup(const char *) + __attribute__((__malloc__, __nonnull__)); +char *bstrndup(const char *, size_t) + __attribute__((__malloc__, __nonnull__)); + +/* + * Find a test file under BUILD or SOURCE, returning the full path. The + * returned path should be freed with test_file_path_free(). + */ +char *test_file_path(const char *file) + __attribute__((__malloc__, __nonnull__)); +void test_file_path_free(char *path); + +/* + * Create a temporary directory relative to BUILD and return the path. The + * returned path should be freed with test_tmpdir_free. + */ +char *test_tmpdir(void) + __attribute__((__malloc__)); +void test_tmpdir_free(char *path); + +END_DECLS diff --git a/tests/tap/files.c b/tests/tap/files.c new file mode 100644 index 0000000..2e67e9e --- /dev/null +++ b/tests/tap/files.c @@ -0,0 +1,66 @@ +/* Copyright (C) 2016 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + 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 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 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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, see <http://www.gnu.org/licenses/>. +*/ + +#include "files.h" + +#include "../../src/contrib/string.c" +#include "../../src/contrib/files.c" + +#include <stdlib.h> + +static char *make_temp(bool is_directory) +{ + char *tmpdir = getenv("TMPDIR"); + if (!tmpdir) { + tmpdir = "/tmp"; + } + + char tmp[4096] = { 0 }; + int r = snprintf(tmp, sizeof(tmp), "%s/knot_unit.XXXXXX", tmpdir); + if (r <= 0 || r >= sizeof(tmp)) { + return NULL; + } + + if (is_directory) { + char *ret = mkdtemp(tmp); + if (ret == NULL) { + return NULL; + } + } else { + int ret = mkstemp(tmp); + if (ret == -1) { + return NULL; + } + close(ret); + } + + return strdup(tmp); +} + +char *test_mktemp(void) +{ + return make_temp(false); +} + +char *test_mkdtemp(void) +{ + return make_temp(true); +} + +bool test_rm_rf(const char *path) +{ + return remove_path(path); +} diff --git a/tests/tap/files.h b/tests/tap/files.h new file mode 100644 index 0000000..bfc6090 --- /dev/null +++ b/tests/tap/files.h @@ -0,0 +1,44 @@ +/* Copyright (C) 2016 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + 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 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 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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, see <http://www.gnu.org/licenses/>. +*/ + +#pragma once + +#include <stdbool.h> + +/*! + * \brief Create a temporary file. + * + * If TMPDIR environment variable is set, the file is created within + * that directory. If the variable is not set, the file is created + * within /tmp. + */ +char *test_mktemp(void); + +/*! + * \brief Create a temporary directory. + * + * If TMPDIR environment variable is set, the directory is created within + * that directory. If the variable is not set, the directory is created + * within /tmp. + */ +char *test_mkdtemp(void); + +/*! + * \brief Delete file or directory (recursive). + * + * \return true on success, false when one or more files failed to be removed. + */ +bool test_rm_rf(const char *path); diff --git a/tests/tap/float.c b/tests/tap/float.c new file mode 100644 index 0000000..5c0c643 --- /dev/null +++ b/tests/tap/float.c @@ -0,0 +1,67 @@ +/* + * Utility routines for writing floating point tests. + * + * Currently provides only one function, which checks whether a double is + * equal to an expected value within a given epsilon. This is broken into a + * separate source file from the rest of the basic C TAP library because it + * may require linking with -lm on some platforms, and the package may not + * otherwise care about floating point. + * + * This file is part of C TAP Harness. The current version plus supporting + * documentation is at <http://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Copyright 2008, 2010, 2012 Russ Allbery <rra@stanford.edu> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +/* Required for isnan() and isinf(). */ +#if defined(__STRICT_ANSI__) || defined(PEDANTIC) +# ifndef _XOPEN_SOURCE +# define _XOPEN_SOURCE 600 +# endif +#endif + +#include <math.h> +#include <stdarg.h> +#include <stdio.h> + +#include "basic.h" +#include "float.h" + +/* + * Takes an expected double and a seen double and assumes the test passes if + * those two numbers are within delta of each other. + */ +void +is_double(double wanted, double seen, double epsilon, const char *format, ...) +{ + va_list args; + + va_start(args, format); + fflush(stderr); + if ((isnan(wanted) && isnan(seen)) + || (isinf(wanted) && isinf(seen) && wanted == seen) + || fabs(wanted - seen) <= epsilon) + okv(1, format, args); + else { + printf("# wanted: %g\n# seen: %g\n", wanted, seen); + okv(0, format, args); + } +} diff --git a/tests/tap/float.h b/tests/tap/float.h new file mode 100644 index 0000000..5c58b5b --- /dev/null +++ b/tests/tap/float.h @@ -0,0 +1,39 @@ +/* + * Floating point check function for the TAP protocol. + * + * This file is part of C TAP Harness. The current version plus supporting + * documentation is at <http://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Copyright 2008, 2010, 2012 Russ Allbery <rra@stanford.edu> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once + +#include "macros.h" + +BEGIN_DECLS + +/* Check an expected value against a seen value within epsilon. */ +void is_double(double wanted, double seen, double epsilon, + const char *format, ...) + __attribute__((__format__(printf, 4, 5))); + +END_DECLS diff --git a/tests/tap/libtap.sh b/tests/tap/libtap.sh new file mode 100644 index 0000000..0ffab2d --- /dev/null +++ b/tests/tap/libtap.sh @@ -0,0 +1,246 @@ +# Shell function library for test cases. +# +# Note that while many of the functions in this library could benefit from +# using "local" to avoid possibly hammering global variables, Solaris /bin/sh +# doesn't support local and this library aspires to be portable to Solaris +# Bourne shell. Instead, all private variables are prefixed with "tap_". +# +# This file provides a TAP-compatible shell function library useful for +# writing test cases. It is part of C TAP Harness, which can be found at +# <http://www.eyrie.org/~eagle/software/c-tap-harness/>. +# +# Written by Russ Allbery <rra@stanford.edu> +# Copyright 2009, 2010, 2011, 2012 Russ Allbery <rra@stanford.edu> +# Copyright 2006, 2007, 2008, 2013 +# The Board of Trustees of the Leland Stanford Junior University +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to +# deal in the Software without restriction, including without limitation the +# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or +# sell copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +# IN THE SOFTWARE. + +# Print out the number of test cases we expect to run. +plan () { + count=1 + planned="$1" + failed=0 + echo "1..$1" + trap finish 0 +} + +# Prepare for lazy planning. +plan_lazy () { + count=1 + planned=0 + failed=0 + trap finish 0 +} + +# Report the test status on exit. +finish () { + tap_highest=`expr "$count" - 1` + if [ "$planned" = 0 ] ; then + echo "1..$tap_highest" + planned="$tap_highest" + fi + tap_looks='# Looks like you' + if [ "$planned" -gt 0 ] ; then + if [ "$planned" -gt "$tap_highest" ] ; then + if [ "$planned" -gt 1 ] ; then + echo "$tap_looks planned $planned tests but only ran" \ + "$tap_highest" + else + echo "$tap_looks planned $planned test but only ran" \ + "$tap_highest" + fi + elif [ "$planned" -lt "$tap_highest" ] ; then + tap_extra=`expr "$tap_highest" - "$planned"` + if [ "$planned" -gt 1 ] ; then + echo "$tap_looks planned $planned tests but ran" \ + "$tap_extra extra" + else + echo "$tap_looks planned $planned test but ran" \ + "$tap_extra extra" + fi + elif [ "$failed" -gt 0 ] ; then + if [ "$failed" -gt 1 ] ; then + echo "$tap_looks failed $failed tests of $planned" + else + echo "$tap_looks failed $failed test of $planned" + fi + elif [ "$planned" -gt 1 ] ; then + echo "# All $planned tests successful or skipped" + else + echo "# $planned test successful or skipped" + fi + fi +} + +# Skip the entire test suite. Should be run instead of plan. +skip_all () { + tap_desc="$1" + if [ -n "$tap_desc" ] ; then + echo "1..0 # skip $tap_desc" + else + echo "1..0 # skip" + fi + exit 0 +} + +# ok takes a test description and a command to run and prints success if that +# command is successful, false otherwise. The count starts at 1 and is +# updated each time ok is printed. +ok () { + tap_desc="$1" + if [ -n "$tap_desc" ] ; then + tap_desc=" - $tap_desc" + fi + shift + if "$@" ; then + echo ok "$count$tap_desc" + else + echo not ok "$count$tap_desc" + failed=`expr $failed + 1` + fi + count=`expr $count + 1` +} + +# Skip the next test. Takes the reason why the test is skipped. +skip () { + echo "ok $count # skip $*" + count=`expr $count + 1` +} + +# Report the same status on a whole set of tests. Takes the count of tests, +# the description, and then the command to run to determine the status. +ok_block () { + tap_i=$count + tap_end=`expr $count + $1` + shift + while [ "$tap_i" -lt "$tap_end" ] ; do + ok "$@" + tap_i=`expr $tap_i + 1` + done +} + +# Skip a whole set of tests. Takes the count and then the reason for skipping +# the test. +skip_block () { + tap_i=$count + tap_end=`expr $count + $1` + shift + while [ "$tap_i" -lt "$tap_end" ] ; do + skip "$@" + tap_i=`expr $tap_i + 1` + done +} + +# Portable variant of printf '%s\n' "$*". In the majority of cases, this +# function is slower than printf, because the latter is often implemented +# as a builtin command. The value of the variable IFS is ignored. +# +# This macro must not be called via backticks inside double quotes, since this +# will result in bizarre escaping behavior and lots of extra backslashes on +# Solaris. +puts () { + cat << EOH +$@ +EOH +} + +# Run a program expected to succeed, and print ok if it does and produces the +# correct output. Takes the description, expected exit status, the expected +# output, the command to run, and then any arguments for that command. +# Standard output and standard error are combined when analyzing the output of +# the command. +# +# If the command may contain system-specific error messages in its output, +# add strip_colon_error before the command to post-process its output. +ok_program () { + tap_desc="$1" + shift + tap_w_status="$1" + shift + tap_w_output="$1" + shift + tap_output=`"$@" 2>&1` + tap_status=$? + if [ $tap_status = $tap_w_status ] \ + && [ x"$tap_output" = x"$tap_w_output" ] ; then + ok "$tap_desc" true + else + echo "# saw: ($tap_status) $tap_output" + echo "# not: ($tap_w_status) $tap_w_output" + ok "$tap_desc" false + fi +} + +# Strip a colon and everything after it off the output of a command, as long +# as that colon comes after at least one whitespace character. (This is done +# to avoid stripping the name of the program from the start of an error +# message.) This is used to remove system-specific error messages (coming +# from strerror, for example). +strip_colon_error() { + tap_output=`"$@" 2>&1` + tap_status=$? + tap_output=`puts "$tap_output" | sed 's/^\([^ ]* [^:]*\):.*/\1/'` + puts "$tap_output" + return $tap_status +} + +# Bail out with an error message. +bail () { + echo 'Bail out!' "$@" + exit 255 +} + +# Output a diagnostic on standard error, preceded by the required # mark. +diag () { + echo '#' "$@" +} + +# Search for the given file first in $BUILD and then in $SOURCE and echo the +# path where the file was found, or the empty string if the file wasn't +# found. +# +# This macro uses puts, so don't run it using backticks inside double quotes +# or bizarre quoting behavior will happen with Solaris sh. +test_file_path () { + if [ -n "$BUILD" ] && [ -f "$BUILD/$1" ] ; then + puts "$BUILD/$1" + elif [ -n "$SOURCE" ] && [ -f "$SOURCE/$1" ] ; then + puts "$SOURCE/$1" + else + echo '' + fi +} + +# Create $BUILD/tmp for use by tests for storing temporary files and return +# the path (via standard output). +# +# This macro uses puts, so don't run it using backticks inside double quotes +# or bizarre quoting behavior will happen with Solaris sh. +test_tmpdir () { + if [ -z "$BUILD" ] ; then + tap_tmpdir="./tmp" + else + tap_tmpdir="$BUILD"/tmp + fi + if [ ! -d "$tap_tmpdir" ] ; then + mkdir "$tap_tmpdir" || bail "Error creating $tap_tmpdir" + fi + puts "$tap_tmpdir" +} diff --git a/tests/tap/macros.h b/tests/tap/macros.h new file mode 100644 index 0000000..31081a4 --- /dev/null +++ b/tests/tap/macros.h @@ -0,0 +1,85 @@ +/* + * Helpful macros for TAP header files. + * + * This is not, strictly speaking, related to TAP, but any TAP add-on is + * probably going to need these macros, so define them in one place so that + * everyone can pull them in. + * + * This file is part of C TAP Harness. The current version plus supporting + * documentation is at <http://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Copyright 2008, 2012 Russ Allbery <rra@stanford.edu> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#pragma once + +/* + * __attribute__ is available in gcc 2.5 and later, but only with gcc 2.7 + * could you use the __format__ form of the attributes, which is what we use + * (to avoid confusion with other macros), and only with gcc 2.96 can you use + * the attribute __malloc__. 2.96 is very old, so don't bother trying to get + * the other attributes to work with GCC versions between 2.7 and 2.96. + */ +#ifndef __attribute__ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96) +# define __attribute__(spec) /* empty */ +# endif +#endif + +/* + * We use __alloc_size__, but it was only available in fairly recent versions + * of GCC. Suppress warnings about the unknown attribute if GCC is too old. + * We know that we're GCC at this point, so we can use the GCC variadic macro + * extension, which will still work with versions of GCC too old to have C99 + * variadic macro support. + */ +#if !defined(__attribute__) && !defined(__alloc_size__) +# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) +# define __alloc_size__(spec, args...) /* empty */ +# endif +#endif + +/* + * LLVM and Clang pretend to be GCC but don't support all of the __attribute__ + * settings that GCC does. For them, suppress warnings about unknown + * attributes on declarations. This unfortunately will affect the entire + * compilation context, but there's no push and pop available. + */ +#if !defined(__attribute__) && (defined(__llvm__) || defined(__clang__)) +# pragma GCC diagnostic ignored "-Wattributes" +#endif + +/* Used for unused parameters to silence gcc warnings. */ +/* #define UNUSED __attribute__((__unused__)) */ + +/* + * BEGIN_DECLS is used at the beginning of declarations so that C++ + * compilers don't mangle their names. END_DECLS is used at the end. + */ +#undef BEGIN_DECLS +#undef END_DECLS +#ifdef __cplusplus +# define BEGIN_DECLS extern "C" { +# define END_DECLS } +#else +# define BEGIN_DECLS /* empty */ +# define END_DECLS /* empty */ +#endif diff --git a/tests/tap/runtests.c b/tests/tap/runtests.c new file mode 100644 index 0000000..0464fbb --- /dev/null +++ b/tests/tap/runtests.c @@ -0,0 +1,1393 @@ +/* + * Run a set of tests, reporting results. + * + * Usage: + * + * runtests [-b <build-dir>] [-s <source-dir>] <test-list> + * runtests -o [-b <build-dir>] [-s <source-dir>] <test> + * + * In the first case, expects a list of executables located in the given file, + * one line per executable. For each one, runs it as part of a test suite, + * reporting results. Test output should start with a line containing the + * number of tests (numbered from 1 to this number), optionally preceded by + * "1..", although that line may be given anywhere in the output. Each + * additional line should be in the following format: + * + * ok <number> + * not ok <number> + * ok <number> # skip + * not ok <number> # todo + * + * where <number> is the number of the test. An optional comment is permitted + * after the number if preceded by whitespace. ok indicates success, not ok + * indicates failure. "# skip" and "# todo" are a special cases of a comment, + * and must start with exactly that formatting. They indicate the test was + * skipped for some reason (maybe because it doesn't apply to this platform) + * or is testing something known to currently fail. The text following either + * "# skip" or "# todo" and whitespace is the reason. + * + * As a special case, the first line of the output may be in the form: + * + * 1..0 # skip some reason + * + * which indicates that this entire test case should be skipped and gives a + * reason. + * + * Any other lines are ignored, although for compliance with the TAP protocol + * all lines other than the ones in the above format should be sent to + * standard error rather than standard output and start with #. + * + * This is a subset of TAP as documented in Test::Harness::TAP or + * TAP::Parser::Grammar, which comes with Perl. + * + * If the -o option is given, instead run a single test and display all of its + * output. This is intended for use with failing tests so that the person + * running the test suite can get more details about what failed. + * + * If built with the C preprocessor symbols SOURCE and BUILD defined, C TAP + * Harness will export those values in the environment so that tests can find + * the source and build directory and will look for tests under both + * directories. These paths can also be set with the -b and -s command-line + * options, which will override anything set at build time. + * + * Any bug reports, bug fixes, and improvements are very much welcome and + * should be sent to the e-mail address below. This program is part of C TAP + * Harness <http://www.eyrie.org/~eagle/software/c-tap-harness/>. + * + * Copyright 2000, 2001, 2004, 2006, 2007, 2008, 2009, 2010, 2011 + * Russ Allbery <rra@stanford.edu> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. +*/ + +/* Required for fdopen(), getopt(), and putenv(). */ +#if defined(__STRICT_ANSI__) || defined(PEDANTIC) +# ifndef _XOPEN_SOURCE +# define _XOPEN_SOURCE 500 +# endif +#endif + +#include <ctype.h> +#include <errno.h> +#include <fcntl.h> +#include <stdarg.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <time.h> +#include <unistd.h> + +/* sys/time.h must be included before sys/resource.h on some platforms. */ +#include <sys/resource.h> + +/* AIX doesn't have WCOREDUMP. */ +#ifndef WCOREDUMP +# define WCOREDUMP(status) ((unsigned)(status) & 0x80) +#endif + +/* + * Used for iterating through arrays. Returns the number of elements in the + * array (useful for a < upper bound in a for loop). + */ +#define ARRAY_SIZE(array) (sizeof(array) / sizeof((array)[0])) + +/* + * The source and build versions of the tests directory. This is used to set + * the SOURCE and BUILD environment variables and find test programs, if set. + * Normally, this should be set as part of the build process to the test + * subdirectories of $(abs_top_srcdir) and $(abs_top_builddir) respectively. + */ +#ifndef SOURCE +# define SOURCE NULL +#endif +#ifndef BUILD +# define BUILD NULL +#endif + +/* Test status codes. */ +enum test_status { + TEST_FAIL, + TEST_PASS, + TEST_SKIP, + TEST_INVALID +}; + +/* Indicates the state of our plan. */ +enum plan_status { + PLAN_INIT, /* Nothing seen yet. */ + PLAN_FIRST, /* Plan seen before any tests. */ + PLAN_PENDING, /* Test seen and no plan yet. */ + PLAN_FINAL /* Plan seen after some tests. */ +}; + +/* Error exit statuses for test processes. */ +#define CHILDERR_DUP 100 /* Couldn't redirect stderr or stdout. */ +#define CHILDERR_EXEC 101 /* Couldn't exec child process. */ +#define CHILDERR_STDERR 102 /* Couldn't open stderr file. */ + +/* Structure to hold data for a set of tests. */ +struct testset { + char *file; /* The file name of the test. */ + char *path; /* The path to the test program. */ + enum plan_status plan; /* The status of our plan. */ + unsigned long count; /* Expected count of tests. */ + unsigned long current; /* The last seen test number. */ + unsigned int length; /* The length of the last status message. */ + unsigned long passed; /* Count of passing tests. */ + unsigned long failed; /* Count of failing lists. */ + unsigned long skipped; /* Count of skipped tests (passed). */ + unsigned long allocated; /* The size of the results table. */ + enum test_status *results; /* Table of results by test number. */ + unsigned int aborted; /* Whether the set was aborted. */ + int reported; /* Whether the results were reported. */ + int status; /* The exit status of the test. */ + unsigned int all_skipped; /* Whether all tests were skipped. */ + char *reason; /* Why all tests were skipped. */ +}; + +/* Structure to hold a linked list of test sets. */ +struct testlist { + struct testset *ts; + struct testlist *next; +}; + +/* + * Usage message. Should be used as a printf format with four arguments: the + * path to runtests, given three times, and the usage_description. This is + * split into variables to satisfy the pedantic ISO C90 limit on strings. + */ +static const char usage_message[] = "\ +Usage: %s [-b <build-dir>] [-s <source-dir>] <test> ...\n\ + %s [-b <build-dir>] [-s <source-dir>] -l <test-list> -L <log-file>\n\ + %s -o [-b <build-dir>] [-s <source-dir>] <test>\n\ +\n%s"; +static const char usage_extra[] = "\ +Options:\n\ + -b <build-dir> Set the build directory to <build-dir>\n\ + -l <list> Take the list of tests to run from <test-list>\n\ + -o Run a single test rather than a list of tests\n\ + -s <source-dir> Set the source directory to <source-dir>\n\ + -L <log-file> Set log file for a list of tests\n\ +\n\ +runtests normally runs each test listed on the command line. With the -l\n\ +option, it instead runs every test listed in a file. With the -o option,\n\ +it instead runs a single test and shows its complete output.\n"; + +/* + * Header used for test output. %s is replaced by the file name of the list + * of tests. + */ +static const char banner[] = "\n\ +Running all tests listed in %s. If any tests fail, run the failing\n\ +test program with runtests -o to see more details.\n\n"; + +/* Header for reports of failed tests. */ +static const char header[] = "\n\ +Failed Set Fail/Total (%) Skip Stat Failing Tests\n\ +-------------------------- -------------- ---- ---- ------------------------"; + +/* Include the file name and line number in malloc failures. */ +#define xcalloc(n, size) x_calloc((n), (size), __FILE__, __LINE__) +#define xmalloc(size) x_malloc((size), __FILE__, __LINE__) +#define xrealloc(p, size) x_realloc((p), (size), __FILE__, __LINE__) +#define xstrdup(p) x_strdup((p), __FILE__, __LINE__) + +/* + * __attribute__ is available in gcc 2.5 and later, but only with gcc 2.7 + * could you use the __format__ form of the attributes, which is what we use + * (to avoid confusion with other macros). + */ +#ifndef __attribute__ +# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7) +# define __attribute__(spec) /* empty */ +# endif +#endif + +/* + * We use __alloc_size__, but it was only available in fairly recent versions + * of GCC. Suppress warnings about the unknown attribute if GCC is too old. + * We know that we're GCC at this point, so we can use the GCC variadic macro + * extension, which will still work with versions of GCC too old to have C99 + * variadic macro support. + */ +#if !defined(__attribute__) && !defined(__alloc_size__) +# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) +# define __alloc_size__(spec, args...) /* empty */ +# endif +#endif + +/* + * LLVM and Clang pretend to be GCC but don't support all of the __attribute__ + * settings that GCC does. For them, suppress warnings about unknown + * attributes on declarations. This unfortunately will affect the entire + * compilation context, but there's no push and pop available. + */ +#if !defined(__attribute__) && (defined(__llvm__) || defined(__clang__)) +# pragma GCC diagnostic ignored "-Wattributes" +#endif + +/* Declare internal functions that benefit from compiler attributes. */ +static void sysdie(const char *, ...) + __attribute__((__nonnull__, __noreturn__, __format__(printf, 1, 2))); +static void *x_calloc(size_t, size_t, const char *, int) + __attribute__((__alloc_size__(1, 2), __malloc__, __nonnull__)); +static void *x_malloc(size_t, const char *, int) + __attribute__((__alloc_size__(1), __malloc__, __nonnull__)); +static void *x_realloc(void *, size_t, const char *, int) + __attribute__((__alloc_size__(2), __malloc__, __nonnull__(3))); +static char *x_strdup(const char *, const char *, int) + __attribute__((__malloc__, __nonnull__)); + +/* + * Report a fatal error, including the results of strerror, and exit. + */ +static void +sysdie(const char *format, ...) +{ + int oerrno; + va_list args; + + oerrno = errno; + fflush(stdout); + fprintf(stderr, "runtests: "); + va_start(args, format); + vfprintf(stderr, format, args); + va_end(args); + fprintf(stderr, ": %s\n", strerror(oerrno)); + exit(1); +} + +/* + * Allocate zeroed memory, reporting a fatal error and exiting on failure. + */ +static void * +x_calloc(size_t n, size_t size, const char *file, int line) +{ + void *p; + + n = (n > 0) ? n : 1; + size = (size > 0) ? size : 1; + p = calloc(n, size); + if (p == NULL) + sysdie("failed to calloc %lu bytes at %s line %d", + (unsigned long) size, file, line); + return p; +} + +/* + * Allocate memory, reporting a fatal error and exiting on failure. + */ +static void * +x_malloc(size_t size, const char *file, int line) +{ + void *p; + + p = malloc(size); + if (p == NULL) + sysdie("failed to malloc %lu bytes at %s line %d", + (unsigned long) size, file, line); + return p; +} + +/* + * Reallocate memory, reporting a fatal error and exiting on failure. + */ +static void * +x_realloc(void *p, size_t size, const char *file, int line) +{ + p = realloc(p, size); + if (p == NULL) + sysdie("failed to realloc %lu bytes at %s line %d", + (unsigned long) size, file, line); + return p; +} + +/* + * Copy a string, reporting a fatal error and exiting on failure. + */ +static char * +x_strdup(const char *s, const char *file, int line) +{ + char *p; + size_t len; + + len = strlen(s) + 1; + p = malloc(len); + if (p == NULL) + sysdie("failed to strdup %lu bytes at %s line %d", + (unsigned long) len, file, line); + memcpy(p, s, len); + return p; +} + +/* + * Given a struct timeval, return the number of seconds it represents as a + * double. Use difftime() to convert a time_t to a double. + */ +static double +tv_seconds(const struct timeval *tv) +{ + return difftime(tv->tv_sec, 0) + tv->tv_usec * 1e-6; +} + +/* + * Given two struct timevals, return the difference in seconds. + */ +static double +tv_diff(const struct timeval *tv1, const struct timeval *tv0) +{ + return tv_seconds(tv1) - tv_seconds(tv0); +} + +/* + * Given two struct timevals, return the sum in seconds as a double. + */ +static double +tv_sum(const struct timeval *tv1, const struct timeval *tv2) +{ + return tv_seconds(tv1) + tv_seconds(tv2); +} + +/* + * Given a pointer to a string, skip any leading whitespace and return a + * pointer to the first non-whitespace character. + */ +static const char * +skip_whitespace(const char *p) +{ + while (isspace((unsigned char)(*p))) + p++; + return p; +} + +/* + * Start a program, connecting its stdout to a pipe on our end and its stderr + * to /dev/null, and storing the file descriptor to read from in the two + * argument. Returns the PID of the new process. Errors are fatal. + */ +static pid_t +test_start(const char *path, int *fd) +{ + int fds[2], errfd; + pid_t child; + + if (pipe(fds) == -1) { + puts("ABORTED"); + fflush(stdout); + sysdie("can't create pipe"); + } + child = fork(); + if (child == (pid_t) -1) { + puts("ABORTED"); + fflush(stdout); + sysdie("can't fork"); + } else if (child == 0) { + /* In child. Set up our stdout and stderr. */ + errfd = open("/dev/null", O_WRONLY); + if (errfd < 0) + _exit(CHILDERR_STDERR); + if (dup2(errfd, 2) == -1) + _exit(CHILDERR_DUP); + close(fds[0]); + if (dup2(fds[1], 1) == -1) + _exit(CHILDERR_DUP); + + /* Now, exec our process. */ + if (execl(path, path, (char *) 0) == -1) + _exit(CHILDERR_EXEC); + } else { + /* In parent. Close the extra file descriptor. */ + close(fds[1]); + } + *fd = fds[0]; + return child; +} + +/* + * Back up over the output saying what test we were executing. + */ +static void +test_backspace(struct testset *ts) +{ + unsigned int i; + + if (!isatty(STDOUT_FILENO)) + return; + for (i = 0; i < ts->length; i++) + putchar('\b'); + for (i = 0; i < ts->length; i++) + putchar(' '); + for (i = 0; i < ts->length; i++) + putchar('\b'); + ts->length = 0; +} + +/* + * Read the plan line of test output, which should contain the range of test + * numbers. We may initialize the testset structure here if we haven't yet + * seen a test. Return true if initialization succeeded and the test should + * continue, false otherwise. + */ +static int +test_plan(const char *line, struct testset *ts) +{ + unsigned long i; + long n; + + /* + * Accept a plan without the leading 1.. for compatibility with older + * versions of runtests. This will only be allowed if we've not yet seen + * a test result. + */ + line = skip_whitespace(line); + if (strncmp(line, "1..", 3) == 0) + line += 3; + + /* + * Get the count, check it for validity, and initialize the struct. If we + * have something of the form "1..0 # skip foo", the whole file was + * skipped; record that. If we do skip the whole file, zero out all of + * our statistics, since they're no longer relevant. strtol is called + * with a second argument to advance the line pointer past the count to + * make it simpler to detect the # skip case. + */ + n = strtol(line, (char **) &line, 10); + if (n == 0) { + line = skip_whitespace(line); + if (*line == '#') { + line = skip_whitespace(line + 1); + if (strncasecmp(line, "skip", 4) == 0) { + line = skip_whitespace(line + 4); + if (*line != '\0') { + ts->reason = xstrdup(line); + ts->reason[strlen(ts->reason) - 1] = '\0'; + } + ts->all_skipped = 1; + ts->aborted = 1; + ts->count = 0; + ts->passed = 0; + ts->skipped = 0; + ts->failed = 0; + return 0; + } + } + } + if (n <= 0) { + puts("ABORTED (invalid test count)"); + ts->aborted = 1; + ts->reported = 1; + return 0; + } + if (ts->plan == PLAN_INIT && ts->allocated == 0) { + ts->count = n; + ts->allocated = n; + ts->plan = PLAN_FIRST; + ts->results = xmalloc(ts->count * sizeof(enum test_status)); + for (i = 0; i < ts->count; i++) + ts->results[i] = TEST_INVALID; + } else if (ts->plan == PLAN_PENDING) { + if ((unsigned long) n < ts->count) { + test_backspace(ts); + printf("ABORTED (invalid test number %lu)\n", ts->count); + ts->aborted = 1; + ts->reported = 1; + return 0; + } + ts->count = n; + if ((unsigned long) n > ts->allocated) { + ts->results = xrealloc(ts->results, n * sizeof(enum test_status)); + for (i = ts->allocated; i < ts->count; i++) + ts->results[i] = TEST_INVALID; + ts->allocated = n; + } + ts->plan = PLAN_FINAL; + } + return 1; +} + +/* + * Given a single line of output from a test, parse it and return the success + * status of that test. Anything printed to stdout not matching the form + * /^(not )?ok \d+/ is ignored. Sets ts->current to the test number that just + * reported status. + */ +static void +test_checkline(const char *line, struct testset *ts) +{ + enum test_status status = TEST_PASS; + const char *bail; + char *end; + long number; + unsigned long i, current; + int outlen; + + /* Before anything, check for a test abort. */ + bail = strstr(line, "Bail out!"); + if (bail != NULL) { + bail = skip_whitespace(bail + strlen("Bail out!")); + if (*bail != '\0') { + size_t length; + + length = strlen(bail); + if (bail[length - 1] == '\n') + length--; + test_backspace(ts); + printf("ABORTED (%.*s)\n", (int) length, bail); + ts->reported = 1; + } + ts->aborted = 1; + return; + } + + /* + * If the given line isn't newline-terminated, it was too big for an + * fgets(), which means ignore it. + */ + if (line[strlen(line) - 1] != '\n') + return; + + /* If the line begins with a hash mark, ignore it. */ + if (line[0] == '#') + return; + + /* If we haven't yet seen a plan, look for one. */ + if (ts->plan == PLAN_INIT && isdigit((unsigned char)(*line))) { + if (!test_plan(line, ts)) + return; + } else if (strncmp(line, "1..", 3) == 0) { + if (ts->plan == PLAN_PENDING) { + if (!test_plan(line, ts)) + return; + } else { + test_backspace(ts); + puts("ABORTED (multiple plans)"); + ts->aborted = 1; + ts->reported = 1; + return; + } + } + + /* Parse the line, ignoring something we can't parse. */ + if (strncmp(line, "not ", 4) == 0) { + status = TEST_FAIL; + line += 4; + } + if (strncmp(line, "ok", 2) != 0) + return; + line = skip_whitespace(line + 2); + errno = 0; + number = strtol(line, &end, 10); + if (errno != 0 || end == line) + number = ts->current + 1; + current = number; + if (number <= 0 || (current > ts->count && ts->plan == PLAN_FIRST)) { + test_backspace(ts); + printf("ABORTED (invalid test number %lu)\n", current); + ts->aborted = 1; + ts->reported = 1; + return; + } + + /* We have a valid test result. Tweak the results array if needed. */ + if (ts->plan == PLAN_INIT || ts->plan == PLAN_PENDING) { + ts->plan = PLAN_PENDING; + if (current > ts->count) + ts->count = current; + if (current > ts->allocated) { + unsigned long n; + + n = (ts->allocated == 0) ? 32 : ts->allocated * 2; + if (n < current) + n = current; + ts->results = xrealloc(ts->results, n * sizeof(enum test_status)); + for (i = ts->allocated; i < n; i++) + ts->results[i] = TEST_INVALID; + ts->allocated = n; + } + } + + /* + * Handle directives. We should probably do something more interesting + * with unexpected passes of todo tests. + */ + while (isdigit((unsigned char)(*line))) + line++; + line = skip_whitespace(line); + if (*line == '#') { + line = skip_whitespace(line + 1); + if (strncasecmp(line, "skip", 4) == 0) + status = TEST_SKIP; + if (strncasecmp(line, "todo", 4) == 0) + status = (status == TEST_FAIL) ? TEST_SKIP : TEST_FAIL; + } + + /* Make sure that the test number is in range and not a duplicate. */ + if (ts->results[current - 1] != TEST_INVALID) { + test_backspace(ts); + printf("ABORTED (duplicate test number %lu)\n", current); + ts->aborted = 1; + ts->reported = 1; + return; + } + + /* Good results. Increment our various counters. */ + switch (status) { + case TEST_PASS: ts->passed++; break; + case TEST_FAIL: ts->failed++; break; + case TEST_SKIP: ts->skipped++; break; + case TEST_INVALID: break; + } + ts->current = current; + ts->results[current - 1] = status; + if (isatty(STDOUT_FILENO)) { + test_backspace(ts); + if (ts->plan == PLAN_PENDING) + outlen = printf("%lu/?", current); + else + outlen = printf("%lu/%lu", current, ts->count); + ts->length = (outlen >= 0) ? outlen : 0; + fflush(stdout); + } +} + +/* + * Print out a range of test numbers, returning the number of characters it + * took up. Takes the first number, the last number, the number of characters + * already printed on the line, and the limit of number of characters the line + * can hold. Add a comma and a space before the range if chars indicates that + * something has already been printed on the line, and print ... instead if + * chars plus the space needed would go over the limit (use a limit of 0 to + * disable this). + */ +static unsigned int +test_print_range(unsigned long first, unsigned long last, unsigned int chars, + unsigned int limit) +{ + unsigned int needed = 0; + unsigned long n; + + for (n = first; n > 0; n /= 10) + needed++; + if (last > first) { + for (n = last; n > 0; n /= 10) + needed++; + needed++; + } + if (chars > 0) + needed += 2; + if (limit > 0 && chars + needed > limit) { + needed = 0; + if (chars <= limit) { + if (chars > 0) { + printf(", "); + needed += 2; + } + printf("..."); + needed += 3; + } + } else { + if (chars > 0) + printf(", "); + if (last > first) + printf("%lu-", first); + printf("%lu", last); + } + return needed; +} + +/* + * Summarize a single test set. The second argument is 0 if the set exited + * cleanly, a positive integer representing the exit status if it exited + * with a non-zero status, and a negative integer representing the signal + * that terminated it if it was killed by a signal. + */ +static void +test_summarize(struct testset *ts, int status) +{ + unsigned long i; + unsigned long missing = 0; + unsigned long failed = 0; + unsigned long first = 0; + unsigned long last = 0; + + if (ts->aborted) { + fputs("ABORTED", stdout); + if (ts->count > 0) + printf(" (passed %lu/%lu)", ts->passed, ts->count - ts->skipped); + } else { + for (i = 0; i < ts->count; i++) { + if (ts->results[i] == TEST_INVALID) { + if (missing == 0) + fputs("MISSED ", stdout); + if (first && i == last) + last = i + 1; + else { + if (first) + test_print_range(first, last, missing - 1, 0); + missing++; + first = i + 1; + last = i + 1; + } + } + } + if (first) + test_print_range(first, last, missing - 1, 0); + first = 0; + last = 0; + for (i = 0; i < ts->count; i++) { + if (ts->results[i] == TEST_FAIL) { + if (missing && !failed) + fputs("; ", stdout); + if (failed == 0) + fputs("FAILED ", stdout); + if (first && i == last) + last = i + 1; + else { + if (first) + test_print_range(first, last, failed - 1, 0); + failed++; + first = i + 1; + last = i + 1; + } + } + } + if (first) + test_print_range(first, last, failed - 1, 0); + if (!missing && !failed) { + fputs(!status ? "ok" : "dubious", stdout); + if (ts->skipped > 0) { + if (ts->skipped == 1) + printf(" (skipped %lu test)", ts->skipped); + else + printf(" (skipped %lu tests)", ts->skipped); + } + } + } + if (status > 0) + printf(" (exit status %d)", status); + else if (status < 0) + printf(" (killed by signal %d%s)", -status, + WCOREDUMP(ts->status) ? ", core dumped" : ""); + putchar('\n'); +} + +/* + * Given a test set, analyze the results, classify the exit status, handle a + * few special error messages, and then pass it along to test_summarize() for + * the regular output. Returns true if the test set ran successfully and all + * tests passed or were skipped, false otherwise. + */ +static int +test_analyze(struct testset *ts) +{ + if (ts->reported) + return 0; + if (ts->all_skipped) { + if (ts->reason == NULL) + puts("skipped"); + else + printf("skipped (%s)\n", ts->reason); + return 1; + } else if (WIFEXITED(ts->status) && WEXITSTATUS(ts->status) != 0) { + switch (WEXITSTATUS(ts->status)) { + case CHILDERR_DUP: + if (!ts->reported) + puts("ABORTED (can't dup file descriptors)"); + break; + case CHILDERR_EXEC: + if (!ts->reported) + puts("ABORTED (execution failed -- not found?)"); + break; + case CHILDERR_STDERR: + if (!ts->reported) + puts("ABORTED (can't open /dev/null)"); + break; + default: + test_summarize(ts, WEXITSTATUS(ts->status)); + break; + } + return 0; + } else if (WIFSIGNALED(ts->status)) { + test_summarize(ts, -WTERMSIG(ts->status)); + return 0; + } else if (ts->plan != PLAN_FIRST && ts->plan != PLAN_FINAL) { + puts("ABORTED (no valid test plan)"); + ts->aborted = 1; + return 0; + } else { + test_summarize(ts, 0); + return (ts->failed == 0); + } +} + +static void +cond_fputs(const char *buffer, FILE *stream) +{ + if (!stream) { + return; + } + + fputs(buffer, stream); +} + +/* + * Runs a single test set, accumulating and then reporting the results. + * Returns true if the test set was successfully run and all tests passed, + * false otherwise. + */ +static int +test_run(struct testset *ts, FILE *logfile) +{ + pid_t testpid, child; + int outfd, status; + unsigned long i; + FILE *output; + char buffer[BUFSIZ]; + + /* Run the test program. */ + testpid = test_start(ts->path, &outfd); + output = fdopen(outfd, "r"); + if (!output) { + puts("ABORTED"); + fflush(stdout); + sysdie("fdopen failed"); + } + + /* Pass each line of output to test_checkline(). */ + while (!ts->aborted && fgets(buffer, sizeof(buffer), output)) { + cond_fputs(buffer, logfile); + test_checkline(buffer, ts); + } + if (ferror(output) || ts->plan == PLAN_INIT) + ts->aborted = 1; + test_backspace(ts); + + /* + * Consume the rest of the test output, close the output descriptor, + * retrieve the exit status, and pass that information to test_analyze() + * for eventual output. + */ + while (fgets(buffer, sizeof(buffer), output)) + ; + fclose(output); + child = waitpid(testpid, &ts->status, 0); + if (child == (pid_t) -1) { + if (!ts->reported) { + puts("ABORTED"); + fflush(stdout); + } + sysdie("waitpid for %u failed", (unsigned int) testpid); + } + if (ts->all_skipped) + ts->aborted = 0; + if (WEXITSTATUS(ts->status) > 0) + ts->failed++; + status = test_analyze(ts); + + /* Convert missing tests to failed tests. */ + for (i = 0; i < ts->count; i++) { + if (ts->results[i] == TEST_INVALID) { + ts->failed++; + ts->results[i] = TEST_FAIL; + status = 0; + } + } + return status; +} + +/* Summarize a list of test failures. */ +static void +test_fail_summary(const struct testlist *fails) +{ + struct testset *ts; + unsigned int chars; + unsigned long i, first, last, total; + + puts(header); + + /* Failed Set Fail/Total (%) Skip Stat Failing (25) + -------------------------- -------------- ---- ---- -------------- */ + for (; fails; fails = fails->next) { + ts = fails->ts; + total = ts->count - ts->skipped; + printf("%-26.26s %4lu/%-4lu %3.0f%% %4lu ", ts->file, ts->failed, + total, total ? (ts->failed * 100.0) / total : 0, + ts->skipped); + if (WIFEXITED(ts->status)) + printf("%4d ", WEXITSTATUS(ts->status)); + else + printf(" -- "); + if (ts->aborted) { + puts("aborted"); + continue; + } + chars = 0; + first = 0; + last = 0; + for (i = 0; i < ts->count; i++) { + if (ts->results[i] == TEST_FAIL) { + if (first != 0 && i == last) + last = i + 1; + else { + if (first != 0) + chars += test_print_range(first, last, chars, 19); + first = i + 1; + last = i + 1; + } + } + } + if (first != 0) + test_print_range(first, last, chars, 19); + putchar('\n'); + } +} + +/* + * Check whether a given file path is a valid test. Currently, this checks + * whether it is executable and is a regular file. Returns true or false. + */ +static int +is_valid_test(const char *path) +{ + struct stat st; + + if (access(path, X_OK) < 0) + return 0; + if (stat(path, &st) < 0) + return 0; + if (!S_ISREG(st.st_mode)) + return 0; + return 1; +} + +/* + * Given the name of a test, a pointer to the testset struct, and the source + * and build directories, find the test. We try first relative to the current + * directory, then in the build directory (if not NULL), then in the source + * directory. In each of those directories, we first try a "-t" extension and + * then a ".t" extension. When we find an executable program, we return the + * path to that program. If none of those paths are executable, just fill in + * the name of the test as is. + * + * The caller is responsible for freeing the path member of the testset + * struct. + */ +static char * +find_test(const char *name, const char *source, const char *build) +{ + char *path; + const char *bases[3], *suffix, *base; + unsigned int i, j; + const char *suffixes[3] = { "-t", ".t", "" }; + + /* Possible base directories. */ + bases[0] = "."; + bases[1] = build; + bases[2] = source; + + /* Try each suffix with each base. */ + for (i = 0; i < ARRAY_SIZE(suffixes); i++) { + suffix = suffixes[i]; + for (j = 0; j < ARRAY_SIZE(bases); j++) { + unsigned int path_len; + + base = bases[j]; + if (base == NULL) + continue; + path_len = strlen(base) + strlen(name) + strlen(suffix) + 2; + path = xmalloc(path_len); + snprintf(path, path_len, "%s/%s%s", base, name, suffix); + if (is_valid_test(path)) + return path; + free(path); + path = NULL; + } + } + if (path == NULL) + path = xstrdup(name); + return path; +} + +/* + * Read a list of tests from a file, returning the list of tests as a struct + * testlist. Reports an error to standard error and exits if the list of + * tests cannot be read. + */ +static struct testlist * +read_test_list(const char *filename) +{ + FILE *file; + unsigned int line; + size_t length; + char buffer[BUFSIZ]; + struct testlist *listhead, *current; + + /* Create the initial container list that will hold our results. */ + listhead = xmalloc(sizeof(struct testlist)); + listhead->ts = NULL; + listhead->next = NULL; + current = NULL; + + /* + * Open our file of tests to run and read it line by line, creating a new + * struct testlist and struct testset for each line. + */ + file = fopen(filename, "r"); + if (file == NULL) + sysdie("can't open %s", filename); + line = 0; + while (fgets(buffer, sizeof(buffer), file)) { + line++; + length = strlen(buffer) - 1; + if (buffer[length] != '\n') { + fprintf(stderr, "%s:%u: line too long\n", filename, line); + exit(1); + } + buffer[length] = '\0'; + if (current == NULL) + current = listhead; + else { + current->next = xmalloc(sizeof(struct testlist)); + current = current->next; + current->next = NULL; + } + current->ts = xcalloc(1, sizeof(struct testset)); + current->ts->plan = PLAN_INIT; + current->ts->file = xstrdup(buffer); + current->ts->reason = NULL; + } + fclose(file); + + /* Return the results. */ + return listhead; +} + +/* + * Build a list of tests from command line arguments. Takes the argv and argc + * representing the command line arguments and returns a newly allocated test + * list. The caller is responsible for freeing. + */ +static struct testlist * +build_test_list(char *argv[], int argc) +{ + int i; + struct testlist *listhead, *current; + + /* Create the initial container list that will hold our results. */ + listhead = xmalloc(sizeof(struct testlist)); + listhead->ts = NULL; + listhead->next = NULL; + current = NULL; + + /* Walk the list of arguments and create test sets for them. */ + for (i = 0; i < argc; i++) { + if (current == NULL) + current = listhead; + else { + current->next = xmalloc(sizeof(struct testlist)); + current = current->next; + current->next = NULL; + } + current->ts = xcalloc(1, sizeof(struct testset)); + current->ts->plan = PLAN_INIT; + current->ts->file = xstrdup(argv[i]); + current->ts->reason = NULL; + } + + /* Return the results. */ + return listhead; +} + +/* Free a struct testset. */ +static void +free_testset(struct testset *ts) +{ + free(ts->file); + free(ts->path); + free(ts->results); + if (ts->reason != NULL) + free(ts->reason); + free(ts); +} + +/* + * Run a batch of tests. Takes two additional parameters: the root of the + * source directory and the root of the build directory. Test programs will + * be first searched for in the current directory, then the build directory, + * then the source directory. Returns true iff all tests passed, and always + * frees the test list that's passed in. + */ +static int +test_batch(struct testlist *tests, const char *source, const char *build, + const char *logfile_name) +{ + size_t length; + unsigned int i; + unsigned int longest = 0; + unsigned int count = 0; + struct testset *ts; + struct timeval start, end; + struct rusage stats; + struct testlist *failhead = NULL; + struct testlist *failtail = NULL; + struct testlist *current, *next; + int succeeded; + FILE *logfile = NULL; + unsigned long total = 0; + unsigned long passed = 0; + unsigned long skipped = 0; + unsigned long failed = 0; + unsigned long aborted = 0; + + /* Walk the list of tests to find the longest name. */ + for (current = tests; current != NULL; current = current->next) { + length = strlen(current->ts->file); + if (length > longest) + longest = length; + } + + /* + * Add two to longest and round up to the nearest tab stop. This is how + * wide the column for printing the current test name will be. + */ + longest += 2; + if (longest % 8) + longest += 8 - (longest % 8); + + /* Start the wall clock timer. */ + gettimeofday(&start, NULL); + + /* Open the log (soft error). */ + if (logfile_name != NULL) { + logfile = fopen(logfile_name, "w+"); + if (!logfile) { + fprintf(stderr, "Could not open the log file.\n"); + } + } + + /* Now, plow through our tests again, running each one. */ + for (current = tests; current != NULL; current = current->next) { + ts = current->ts; + + /* Print out the name of the test file. */ + fputs(ts->file, stdout); + for (i = strlen(ts->file); i < longest; i++) + putchar('.'); + if (isatty(STDOUT_FILENO)) + fflush(stdout); + + /* Run the test. */ + ts->path = find_test(ts->file, source, build); + succeeded = test_run(ts, logfile); + fflush(stdout); + + /* Record cumulative statistics. */ + aborted += ts->aborted; + total += ts->count + ts->all_skipped; + passed += ts->passed; + skipped += ts->skipped + ts->all_skipped; + failed += ts->failed; + count++; + + /* If the test fails, we shuffle it over to the fail list. */ + if (!succeeded) { + if (failhead == NULL) { + failhead = xmalloc(sizeof(struct testset)); + failtail = failhead; + } else { + failtail->next = xmalloc(sizeof(struct testset)); + failtail = failtail->next; + } + failtail->ts = ts; + failtail->next = NULL; + } + } + total -= skipped; + + /* Close the log. */ + if (logfile) { + fclose(logfile); + } + + /* Stop the timer and get our child resource statistics. */ + gettimeofday(&end, NULL); + getrusage(RUSAGE_CHILDREN, &stats); + + /* Summarize the failures and free the failure list. */ + if (failhead != NULL) { + test_fail_summary(failhead); + while (failhead != NULL) { + next = failhead->next; + free(failhead); + failhead = next; + } + } + + /* Free the memory used by the test lists. */ + while (tests != NULL) { + next = tests->next; + free_testset(tests->ts); + free(tests); + tests = next; + } + + /* Print out the final test summary. */ + putchar('\n'); + if (aborted != 0) { + if (aborted == 1) + printf("Aborted %lu test set", aborted); + else + printf("Aborted %lu test sets", aborted); + printf(", passed %lu/%lu tests", passed, total); + } + else if (failed == 0) + fputs("All tests successful", stdout); + else + printf("Failed %lu/%lu tests, %.2f%% okay", failed, total, + (total - failed) * 100.0 / total); + if (skipped != 0) { + if (skipped == 1) + printf(", %lu test skipped", skipped); + else + printf(", %lu tests skipped", skipped); + } + puts("."); + printf("Files=%u, Tests=%lu", count, total); + printf(", %.2f seconds", tv_diff(&end, &start)); + printf(" (%.2f usr + %.2f sys = %.2f CPU)\n", + tv_seconds(&stats.ru_utime), tv_seconds(&stats.ru_stime), + tv_sum(&stats.ru_utime, &stats.ru_stime)); + return (failed == 0 && aborted == 0); +} + +/* + * Run a single test case. This involves just running the test program after + * having done the environment setup and finding the test program. + */ +static void +test_single(const char *program, const char *source, const char *build) +{ + char *path; + + path = find_test(program, source, build); + if (execl(path, path, (char *) 0) == -1) + sysdie("cannot exec %s", path); +} + +/* + * Main routine. Set the SOURCE and BUILD environment variables and then, + * given a file listing tests, run each test listed. + */ +int +main(int argc, char *argv[]) +{ + int option; + int status = 0; + int single = 0; + char *source_env = NULL; + char *build_env = NULL; + const char *shortlist; + const char *list = NULL; + const char *source = SOURCE; + const char *build = BUILD; + const char *logfile = NULL; + struct testlist *tests; + + while ((option = getopt(argc, argv, "b:hl:os:L:")) != EOF) { + switch (option) { + case 'b': + build = optarg; + break; + case 'h': + printf(usage_message, argv[0], argv[0], argv[0], usage_extra); + exit(0); + break; + case 'l': + list = optarg; + break; + case 'o': + single = 1; + break; + case 's': + source = optarg; + break; + case 'L': + logfile = optarg; + break; + default: + exit(1); + } + } + argv += optind; + argc -= optind; + if ((list == NULL && argc < 1) || (list != NULL && argc > 0)) { + fprintf(stderr, usage_message, argv[0], argv[0], argv[0], usage_extra); + exit(1); + } + + /* Set SOURCE and BUILD environment variables. */ + if (source != NULL) { + unsigned int len = strlen("SOURCE=") + strlen(source) + 1; + source_env = xmalloc(len); + snprintf(source_env, len, "SOURCE=%s", source); + if (putenv(source_env) != 0) + sysdie("cannot set SOURCE in the environment"); + } + if (build != NULL) { + unsigned int len = strlen("BUILD=") + strlen(build) + 1; + build_env = xmalloc(len); + snprintf(build_env, len, "BUILD=%s", build); + if (putenv(build_env) != 0) + sysdie("cannot set BUILD in the environment"); + } + + /* Run the tests as instructed. */ + if (single) + test_single(argv[0], source, build); + else if (list != NULL) { + shortlist = strrchr(list, '/'); + if (shortlist == NULL) + shortlist = list; + else + shortlist++; + printf(banner, shortlist); + tests = read_test_list(list); + status = test_batch(tests, source, build, logfile) ? 0 : 1; + } else { + tests = build_test_list(argv, argc); + status = test_batch(tests, source, build, logfile) ? 0 : 1; + } + + /* For valgrind cleanliness, free all our memory. */ + if (source_env != NULL) { + putenv((char *) "SOURCE="); + free(source_env); + } + if (build_env != NULL) { + putenv((char *) "BUILD="); + free(build_env); + } + exit(status); +} |