Add Mark Heily's libkqueue test suite as a general kqueue test suite to

tools/regression.  It tests a number of aspects of kqueue behavior,
although not all currently pass (possibly bugs in the test suite?).

Submitted by:	Mark Heily <mark at heily.com>
Obtained from:	svn://mark.heily.com/libkqueue/trunk/test (r114)

1 files changed, 266 insertions, 0 deletions

diff --git a/tools/regression/kqueue/vnode.c b/tools/regression/kqueue/vnode.c
new file mode 100644
index 0000000..dfa0b5e
--- /dev/null
+++ b/tools/regression/kqueue/vnode.c
@@ -0,0 +1,266 @@
+/*
+ * Copyright (c) 2009 Mark Heily <mark@heily.com>
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include "common.h"
+
+int kqfd;
+int vnode_fd;
+
+void
+test_kevent_vnode_add(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, EV_ADD)";
+    const char *testfile = "/tmp/kqueue-test.tmp";
+    struct kevent kev;
+
+    test_begin(test_id);
+
+    system("touch /tmp/kqueue-test.tmp");
+    vnode_fd = open(testfile, O_RDONLY);
+    if (vnode_fd < 0)
+        err(1, "open of %s", testfile);
+    else
+        printf("vnode_fd = %d\n", vnode_fd);
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD, 
+            NOTE_WRITE | NOTE_ATTRIB | NOTE_RENAME | NOTE_DELETE, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    success();
+}
+
+void
+test_kevent_vnode_note_delete(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, NOTE_DELETE)";
+    struct kevent kev;
+
+    test_begin(test_id);
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_DELETE, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    if (unlink("/tmp/kqueue-test.tmp") < 0)
+        err(1, "unlink");
+
+    kevent_cmp(&kev, kevent_get(kqfd));
+
+    success();
+}
+
+void
+test_kevent_vnode_note_write(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, NOTE_WRITE)";
+    struct kevent kev;
+
+    test_begin(test_id);
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_WRITE, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    if (system("echo hello >> /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+
+    /* BSD kqueue adds NOTE_EXTEND even though it was not requested */
+    /* BSD kqueue removes EV_ENABLE */
+    kev.flags &= ~EV_ENABLE; // XXX-FIXME compatibility issue
+    kev.fflags |= NOTE_EXTEND; // XXX-FIXME compatibility issue
+    kevent_cmp(&kev, kevent_get(kqfd));
+
+    success();
+}
+
+void
+test_kevent_vnode_note_attrib(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, NOTE_ATTRIB)";
+    struct kevent kev;
+    int nfds;
+
+    test_begin(test_id);
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_ATTRIB, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    if (system("touch /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+
+    nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
+    if (nfds < 1)
+        err(1, "%s", test_id);
+    if (kev.ident != vnode_fd ||
+            kev.filter != EVFILT_VNODE || 
+            kev.fflags != NOTE_ATTRIB)
+        err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", 
+                test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
+
+    success();
+}
+
+void
+test_kevent_vnode_note_rename(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, NOTE_RENAME)";
+    struct kevent kev;
+    int nfds;
+
+    test_begin(test_id);
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_RENAME, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    if (system("mv /tmp/kqueue-test.tmp /tmp/kqueue-test2.tmp") < 0)
+        err(1, "system");
+
+    nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
+    if (nfds < 1)
+        err(1, "%s", test_id);
+    if (kev.ident != vnode_fd ||
+            kev.filter != EVFILT_VNODE || 
+            kev.fflags != NOTE_RENAME)
+        err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", 
+                test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
+
+    if (system("mv /tmp/kqueue-test2.tmp /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+
+    success();
+}
+
+void
+test_kevent_vnode_del(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, EV_DELETE)";
+    struct kevent kev;
+
+    test_begin(test_id);
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_DELETE, 0, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    success();
+}
+
+void
+test_kevent_vnode_disable_and_enable(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, EV_DISABLE and EV_ENABLE)";
+    struct kevent kev;
+    int nfds;
+
+    test_begin(test_id);
+
+    test_no_kevents();
+
+    /* Add the watch and immediately disable it */
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_ONESHOT, NOTE_ATTRIB, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+    kev.flags = EV_DISABLE;
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    /* Confirm that the watch is disabled */
+    if (system("touch /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+    test_no_kevents();
+
+    /* Re-enable and check again */
+    kev.flags = EV_ENABLE;
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+    if (system("touch /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+    nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
+    if (nfds < 1)
+        err(1, "%s", test_id);
+    if (kev.ident != vnode_fd ||
+            kev.filter != EVFILT_VNODE || 
+            kev.fflags != NOTE_ATTRIB)
+        err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", 
+                test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
+
+    success();
+}
+
+#if HAVE_EV_DISPATCH
+void
+test_kevent_vnode_dispatch(void)
+{
+    const char *test_id = "kevent(EVFILT_VNODE, EV_DISPATCH)";
+    struct kevent kev;
+    int nfds;
+
+    test_begin(test_id);
+
+    test_no_kevents();
+
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_ADD | EV_DISPATCH, NOTE_ATTRIB, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "%s", test_id);
+
+    if (system("touch /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+
+    nfds = kevent(kqfd, NULL, 0, &kev, 1, NULL);
+    if (nfds < 1)
+        err(1, "%s", test_id);
+    if (kev.ident != vnode_fd ||
+            kev.filter != EVFILT_VNODE || 
+            kev.fflags != NOTE_ATTRIB)
+        err(1, "%s - incorrect event (sig=%u; filt=%d; flags=%d)", 
+                test_id, (unsigned int)kev.ident, kev.filter, kev.flags);
+
+    /* Confirm that the watch is disabled automatically */
+    puts("-- checking that watch is disabled");
+    if (system("touch /tmp/kqueue-test.tmp") < 0)
+        err(1, "system");
+    test_no_kevents();
+
+    /* Delete the watch */
+    EV_SET(&kev, vnode_fd, EVFILT_VNODE, EV_DELETE, NOTE_ATTRIB, 0, NULL);
+    if (kevent(kqfd, &kev, 1, NULL, 0, NULL) < 0)
+        err(1, "remove watch failed: %s", test_id);
+
+    success();
+}
+#endif 	/* HAVE_EV_DISPATCH */
+
+void
+test_evfilt_vnode()
+{
+	kqfd = kqueue();
+        test_kevent_vnode_add();
+        test_kevent_vnode_del();
+        test_kevent_vnode_disable_and_enable();
+#if HAVE_EV_DISPATCH
+        test_kevent_vnode_dispatch();
+#endif
+        test_kevent_vnode_note_write();
+        test_kevent_vnode_note_attrib();
+        test_kevent_vnode_note_rename();
+        test_kevent_vnode_note_delete();
+	close(kqfd);
+}