1 files changed, 199 insertions, 0 deletions
diff --git a/lib/util/regress/tailq/hltq_test.c b/lib/util/regress/tailq/hltq_test.c
new file mode 100644
index 0000000..5333a15
--- /dev/null
+++ b/lib/util/regress/tailq/hltq_test.c
@@ -0,0 +1,199 @@
+/*
+ * Copyright (c) 2013 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif
+
+#include "sudo_compat.h"
+#include "sudo_fatal.h"
+#include "sudo_queue.h"
+#include "sudo_util.h"
+
+__dso_public int main(int argc, char *argv[]);
+
+/*
+ * Note: HLTQ_ENTRY is intentionally in the middle of the struct
+ *       to catch bad assumptions in the PREV/NEXT macros.
+ */
+struct test_data {
+    int a;
+    HLTQ_ENTRY(test_data) entries;
+    char b;
+};
+
+TAILQ_HEAD(test_data_list, test_data);
+
+/*
+ * Simple tests for headless tail queue macros.
+ */
+int
+main(int argc, char *argv[])
+{
+    struct test_data d1, d2, d3;
+    struct test_data *hltq;
+    struct test_data_list tq;
+    int errors = 0;
+    int ntests = 0;
+
+    initprogname(argc > 0 ? argv[0] : "hltq_test");
+
+    /*
+     * Initialize three data elements and concatenate them in order.
+     */
+    HLTQ_INIT(&d1, entries);
+    d1.a = 1;
+    d1.b = 'a';
+    if (HLTQ_FIRST(&d1) != &d1) {
+	sudo_warnx_nodebug("FAIL: HLTQ_FIRST(1 entry) doesn't return first element: got %p, expected %p", HLTQ_FIRST(&d1), &d1);
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_LAST(&d1, test_data, entries) != &d1) {
+	sudo_warnx_nodebug("FAIL: HLTQ_LAST(1 entry) doesn't return first element: got %p, expected %p", HLTQ_LAST(&d1, test_data, entries), &d1);
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_PREV(&d1, test_data, entries) != NULL) {
+	sudo_warnx_nodebug("FAIL: HLTQ_PREV(1 entry) doesn't return NULL: got %p", HLTQ_PREV(&d1, test_data, entries));
+	errors++;
+    }
+    ntests++;
+
+    HLTQ_INIT(&d2, entries);
+    d2.a = 2;
+    d2.b = 'b';
+
+    HLTQ_INIT(&d3, entries);
+    d3.a = 3;
+    d3.b = 'c';
+
+    HLTQ_CONCAT(&d1, &d2, entries);
+    HLTQ_CONCAT(&d1, &d3, entries);
+    hltq = &d1;
+
+    /*
+     * Verify that HLTQ_FIRST, HLTQ_LAST, HLTQ_NEXT, HLTQ_PREV
+     * work as expected.
+     */
+    if (HLTQ_FIRST(hltq) != &d1) {
+	sudo_warnx_nodebug("FAIL: HLTQ_FIRST(3 entries) doesn't return first element: got %p, expected %p", HLTQ_FIRST(hltq), &d1);
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_LAST(hltq, test_data, entries) != &d3) {
+	sudo_warnx_nodebug("FAIL: HLTQ_LAST(3 entries) doesn't return third element: got %p, expected %p", HLTQ_LAST(hltq, test_data, entries), &d3);
+	errors++;
+    }
+    ntests++;
+
+    if (HLTQ_NEXT(&d1, entries) != &d2) {
+	sudo_warnx_nodebug("FAIL: HLTQ_NEXT(&d1) doesn't return &d2: got %p, expected %p", HLTQ_NEXT(&d1, entries), &d2);
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_NEXT(&d2, entries) != &d3) {
+	sudo_warnx_nodebug("FAIL: HLTQ_NEXT(&d2) doesn't return &d3: got %p, expected %p", HLTQ_NEXT(&d2, entries), &d3);
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_NEXT(&d3, entries) != NULL) {
+	sudo_warnx_nodebug("FAIL: HLTQ_NEXT(&d3) doesn't return NULL: got %p", HLTQ_NEXT(&d3, entries));
+	errors++;
+    }
+    ntests++;
+
+    if (HLTQ_PREV(&d1, test_data, entries) != NULL) {
+	sudo_warnx_nodebug("FAIL: HLTQ_PREV(&d1) doesn't return NULL: got %p", HLTQ_PREV(&d1, test_data, entries));
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_PREV(&d2, test_data, entries) != &d1) {
+	sudo_warnx_nodebug("FAIL: HLTQ_PREV(&d2) doesn't return &d1: got %p, expected %p", HLTQ_PREV(&d2, test_data, entries), &d1);
+	errors++;
+    }
+    ntests++;
+    if (HLTQ_PREV(&d3, test_data, entries) != &d2) {
+	sudo_warnx_nodebug("FAIL: HLTQ_PREV(&d3) doesn't return &d2: got %p, expected %p", HLTQ_PREV(&d3, test_data, entries), &d2);
+	errors++;
+    }
+    ntests++;
+
+    /* Test conversion to TAILQ. */
+    HLTQ_TO_TAILQ(&tq, hltq, entries);
+
+    if (TAILQ_FIRST(&tq) != &d1) {
+	sudo_warnx_nodebug("FAIL: TAILQ_FIRST(&tq) doesn't return first element: got %p, expected %p", TAILQ_FIRST(&tq), &d1);
+	errors++;
+    }
+    ntests++;
+    if (TAILQ_LAST(&tq, test_data_list) != &d3) {
+	sudo_warnx_nodebug("FAIL: TAILQ_LAST(&tq) doesn't return third element: got %p, expected %p", TAILQ_LAST(&tq, test_data_list), &d3);
+	errors++;
+    }
+    ntests++;
+
+    if (TAILQ_NEXT(&d1, entries) != &d2) {
+	sudo_warnx_nodebug("FAIL: TAILQ_NEXT(&d1) doesn't return &d2: got %p, expected %p", TAILQ_NEXT(&d1, entries), &d2);
+	errors++;
+    }
+    ntests++;
+    if (TAILQ_NEXT(&d2, entries) != &d3) {
+	sudo_warnx_nodebug("FAIL: TAILQ_NEXT(&d2) doesn't return &d3: got %p, expected %p", TAILQ_NEXT(&d2, entries), &d3);
+	errors++;
+    }
+    ntests++;
+    if (TAILQ_NEXT(&d3, entries) != NULL) {
+	sudo_warnx_nodebug("FAIL: TAILQ_NEXT(&d3) doesn't return NULL: got %p", TAILQ_NEXT(&d3, entries));
+	errors++;
+    }
+    ntests++;
+
+    if (TAILQ_PREV(&d1, test_data_list, entries) != NULL) {
+	sudo_warnx_nodebug("FAIL: TAILQ_PREV(&d1) doesn't return NULL: got %p", TAILQ_PREV(&d1, test_data_list, entries));
+	errors++;
+    }
+    ntests++;
+    if (TAILQ_PREV(&d2, test_data_list, entries) != &d1) {
+	sudo_warnx_nodebug("FAIL: TAILQ_PREV(&d2) doesn't return &d1: got %p, expected %p", TAILQ_PREV(&d2, test_data_list, entries), &d1);
+	errors++;
+    }
+    ntests++;
+    if (TAILQ_PREV(&d3, test_data_list, entries) != &d2) {
+	sudo_warnx_nodebug("FAIL: TAILQ_PREV(&d3) doesn't return &d2: got %p, expected %p", TAILQ_PREV(&d3, test_data_list, entries), &d2);
+	errors++;
+    }
+    ntests++;
+
+    printf("%s: %d tests run, %d errors, %d%% success rate\n", getprogname(),
+	ntests, errors, (ntests - errors) * 100 / ntests);
+
+    exit(errors);
+}