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authorFilipe Brandenburger <filbranden@google.com>2015-10-28 07:57:11 -0700
committerFilipe Brandenburger <filbranden@google.com>2015-10-28 08:16:00 -0700
commit23a3c916179873d755b863d14b14c6e7f4d0f2de (patch)
treecb4cc84c748aeb74929a53d0dd65f4c81d9eaebf /src/test/test-extract-word.c
parentd8c3019b02051bb3252bb9054cde340124bf274f (diff)
test-extract-word: Move extract-word tests into their own test case
Tests for the functions defined in src/basic/extract-word.c. Tested that `make check` still passes as expected.
Diffstat (limited to 'src/test/test-extract-word.c')
-rw-r--r--src/test/test-extract-word.c546
1 files changed, 546 insertions, 0 deletions
diff --git a/src/test/test-extract-word.c b/src/test/test-extract-word.c
new file mode 100644
index 0000000000..09698c07c7
--- /dev/null
+++ b/src/test/test-extract-word.c
@@ -0,0 +1,546 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010 Lennart Poettering
+ Copyright 2013 Thomas H.P. Andersen
+
+ systemd 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.
+
+ systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "extract-word.h"
+#include "log.h"
+#include "string-util.h"
+
+static void test_extract_first_word(void) {
+ const char *p, *original;
+ char *t;
+
+ p = original = "foobar waldo";
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 7);
+
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "\"foobar\" \'waldo\'";
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "\"foobar\""));
+ free(t);
+ assert_se(p == original + 9);
+
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "\'waldo\'"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "\"foobar\" \'waldo\'";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 9);
+
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word(&p, &t, NULL, 0) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "\"";
+ assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
+ assert_se(streq(t, "\""));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\"";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\'";
+ assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
+ assert_se(streq(t, "\'"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\'";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\'fooo";
+ assert_se(extract_first_word(&p, &t, NULL, 0) == 1);
+ assert_se(streq(t, "\'fooo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\'fooo";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\'fooo";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "fooo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\"fooo";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "fooo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "yay\'foo\'bar";
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "yay\'foo\'bar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "yay\'foo\'bar";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
+ assert_se(streq(t, "yayfoobar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " foobar ";
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " foo\\ba\\x6ar ";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
+ assert_se(streq(t, "foo\ba\x6ar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " foo\\ba\\x6ar ";
+ assert_se(extract_first_word(&p, &t, NULL, 0) > 0);
+ assert_se(streq(t, "foobax6ar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " f\\u00f6o \"pi\\U0001F4A9le\" ";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) > 0);
+ assert_se(streq(t, "föo"));
+ free(t);
+ assert_se(p == original + 13);
+
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE) > 0);
+ assert_se(streq(t, "pi\360\237\222\251le"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "fooo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX) > 0);
+ assert_se(streq(t, "fooo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "fooo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
+ assert_se(streq(t, "fooo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word(&p, &t, NULL, 0) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "foo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "foo::bar";
+ assert_se(extract_first_word(&p, &t, ":", 0) == 1);
+ assert_se(streq(t, "foo"));
+ free(t);
+ assert_se(p == original + 5);
+
+ assert_se(extract_first_word(&p, &t, ":", 0) == 1);
+ assert_se(streq(t, "bar"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word(&p, &t, ":", 0) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "foo\\:bar::waldo";
+ assert_se(extract_first_word(&p, &t, ":", 0) == 1);
+ assert_se(streq(t, "foo:bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ assert_se(extract_first_word(&p, &t, ":", 0) == 1);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word(&p, &t, ":", 0) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE_RELAX) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "foo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "foo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "fooo bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX) > 0);
+ assert_se(streq(t, "fooo bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE_RELAX|EXTRACT_RELAX) > 0);
+ assert_se(streq(t, "fooo bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
+ assert_se(streq(t, "fooo\\ bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "\\w+@\\K[\\d.]+";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\\w+@\\K[\\d.]+";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
+ assert_se(streq(t, "\\w+@\\K[\\d.]+"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\\w+\\b";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_CUNESCAPE|EXTRACT_CUNESCAPE_RELAX) > 0);
+ assert_se(streq(t, "\\w+\b"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "-N ''";
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
+ assert_se(streq(t, "-N"));
+ free(t);
+ assert_se(p == original + 3);
+
+ assert_se(extract_first_word(&p, &t, NULL, EXTRACT_QUOTES) > 0);
+ assert_se(streq(t, ""));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = ":foo\\:bar::waldo:";
+ assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
+ assert_se(t);
+ assert_se(streq(t, ""));
+ free(t);
+ assert_se(p == original + 1);
+
+ assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
+ assert_se(streq(t, "foo:bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
+ assert_se(t);
+ assert_se(streq(t, ""));
+ free(t);
+ assert_se(p == original + 11);
+
+ assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(p == original + 17);
+
+ assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 1);
+ assert_se(streq(t, ""));
+ free(t);
+ assert_se(p == NULL);
+
+ assert_se(extract_first_word(&p, &t, ":", EXTRACT_DONT_COALESCE_SEPARATORS) == 0);
+ assert_se(!t);
+ assert_se(!p);
+}
+
+static void test_extract_first_word_and_warn(void) {
+ const char *p, *original;
+ char *t;
+
+ p = original = "foobar waldo";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 7);
+
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "\"foobar\" \'waldo\'";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "foobar"));
+ free(t);
+ assert_se(p == original + 9);
+
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "waldo"));
+ free(t);
+ assert_se(isempty(p));
+
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) == 0);
+ assert_se(!t);
+ assert_se(isempty(p));
+
+ p = original = "\"";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\'";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
+ assert_se(p == original + 1);
+
+ p = original = "\'fooo";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\'fooo";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " foo\\ba\\x6ar ";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "foo\ba\x6ar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " foo\\ba\\x6ar ";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "foobax6ar"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = " f\\u00f6o \"pi\\U0001F4A9le\" ";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "föo"));
+ free(t);
+ assert_se(p == original + 13);
+
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "pi\360\237\222\251le"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo\\"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES, NULL, "fake", 1, original) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "foo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE, NULL, "fake", 1, original) == -EINVAL);
+ assert_se(p == original + 5);
+
+ p = original = "\"foo\\";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_QUOTES|EXTRACT_CUNESCAPE|EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "foo"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_RELAX, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, 0, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "fooo\\ bar quux";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "fooo\\ bar"));
+ free(t);
+ assert_se(p == original + 10);
+
+ p = original = "\\w+@\\K[\\d.]+";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "\\w+@\\K[\\d.]+"));
+ free(t);
+ assert_se(isempty(p));
+
+ p = original = "\\w+\\b";
+ assert_se(extract_first_word_and_warn(&p, &t, NULL, EXTRACT_CUNESCAPE, NULL, "fake", 1, original) > 0);
+ assert_se(streq(t, "\\w+\b"));
+ free(t);
+ assert_se(isempty(p));
+}
+
+static void test_extract_many_words(void) {
+ const char *p, *original;
+ char *a, *b, *c;
+
+ p = original = "foobar waldi piep";
+ assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 3);
+ assert_se(isempty(p));
+ assert_se(streq_ptr(a, "foobar"));
+ assert_se(streq_ptr(b, "waldi"));
+ assert_se(streq_ptr(c, "piep"));
+ free(a);
+ free(b);
+ free(c);
+
+ p = original = "'foobar' wa\"ld\"i ";
+ assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 2);
+ assert_se(isempty(p));
+ assert_se(streq_ptr(a, "'foobar'"));
+ assert_se(streq_ptr(b, "wa\"ld\"i"));
+ assert_se(streq_ptr(c, NULL));
+ free(a);
+ free(b);
+
+ p = original = "'foobar' wa\"ld\"i ";
+ assert_se(extract_many_words(&p, NULL, EXTRACT_QUOTES, &a, &b, &c, NULL) == 2);
+ assert_se(isempty(p));
+ assert_se(streq_ptr(a, "foobar"));
+ assert_se(streq_ptr(b, "waldi"));
+ assert_se(streq_ptr(c, NULL));
+ free(a);
+ free(b);
+
+ p = original = "";
+ assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
+ assert_se(isempty(p));
+ assert_se(streq_ptr(a, NULL));
+ assert_se(streq_ptr(b, NULL));
+ assert_se(streq_ptr(c, NULL));
+
+ p = original = " ";
+ assert_se(extract_many_words(&p, NULL, 0, &a, &b, &c, NULL) == 0);
+ assert_se(isempty(p));
+ assert_se(streq_ptr(a, NULL));
+ assert_se(streq_ptr(b, NULL));
+ assert_se(streq_ptr(c, NULL));
+
+ p = original = "foobar";
+ assert_se(extract_many_words(&p, NULL, 0, NULL) == 0);
+ assert_se(p == original);
+
+ p = original = "foobar waldi";
+ assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
+ assert_se(p == original+7);
+ assert_se(streq_ptr(a, "foobar"));
+ free(a);
+
+ p = original = " foobar ";
+ assert_se(extract_many_words(&p, NULL, 0, &a, NULL) == 1);
+ assert_se(isempty(p));
+ assert_se(streq_ptr(a, "foobar"));
+ free(a);
+}
+
+int main(int argc, char *argv[]) {
+ log_parse_environment();
+ log_open();
+
+ test_extract_first_word();
+ test_extract_first_word_and_warn();
+ test_extract_many_words();
+
+ return 0;
+}