X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fntdb%2Ftest%2Frun-05-readonly-open.c;fp=ccan%2Fntdb%2Ftest%2Frun-05-readonly-open.c;h=87caf9533fdda5d0e17ec6b8cdf16de37a625b1d;hp=0000000000000000000000000000000000000000;hb=d69ef83fcc2434ddaced1831184fb761ae6f09d3;hpb=ed95d8600afe1564ffd1783ae9ea0ef6324904dc;ds=sidebyside

diff --git a/ccan/ntdb/test/run-05-readonly-open.c b/ccan/ntdb/test/run-05-readonly-open.c
new file mode 100644
index 00000000..87caf953
--- /dev/null
+++ b/ccan/ntdb/test/run-05-readonly-open.c
@@ -0,0 +1,79 @@
+#include <ccan/failtest/failtest_override.h>
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include <ccan/failtest/failtest.h>
+#include "logging.h"
+#include "failtest_helper.h"
+
+int main(int argc, char *argv[])
+{
+	unsigned int i;
+	struct ntdb_context *ntdb;
+	int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
+			NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
+	NTDB_DATA key = ntdb_mkdata("key", 3);
+	NTDB_DATA data = ntdb_mkdata("data", 4), d;
+	union ntdb_attribute seed_attr;
+	unsigned int msgs = 0;
+
+	failtest_init(argc, argv);
+	failtest_hook = block_repeat_failures;
+	failtest_exit_check = exit_check_log;
+
+	seed_attr.base.attr = NTDB_ATTRIBUTE_SEED;
+	seed_attr.base.next = &tap_log_attr;
+	seed_attr.seed.seed = 0;
+
+	failtest_suppress = true;
+	plan_tests(sizeof(flags) / sizeof(flags[0]) * 11);
+	for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+		ntdb = ntdb_open("run-05-readonly-open.ntdb",
+				 flags[i]|MAYBE_NOSYNC,
+				 O_RDWR|O_CREAT|O_TRUNC, 0600,
+				 &seed_attr);
+		ok1(ntdb_store(ntdb, key, data, NTDB_INSERT) == 0);
+		ntdb_close(ntdb);
+
+		failtest_suppress = false;
+		ntdb = ntdb_open("run-05-readonly-open.ntdb",
+				 flags[i]|MAYBE_NOSYNC,
+				 O_RDONLY, 0600, &tap_log_attr);
+		if (!ok1(ntdb))
+			break;
+		ok1(tap_log_messages == msgs);
+		/* Fetch should succeed, stores should fail. */
+		if (!ok1(ntdb_fetch(ntdb, key, &d) == 0))
+			goto fail;
+		ok1(ntdb_deq(d, data));
+		free(d.dptr);
+		if (!ok1(ntdb_store(ntdb, key, data, NTDB_MODIFY)
+			 == NTDB_ERR_RDONLY))
+			goto fail;
+		ok1(tap_log_messages == ++msgs);
+		if (!ok1(ntdb_store(ntdb, key, data, NTDB_INSERT)
+			 == NTDB_ERR_RDONLY))
+			goto fail;
+		ok1(tap_log_messages == ++msgs);
+		failtest_suppress = true;
+		ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+		ntdb_close(ntdb);
+		ok1(tap_log_messages == msgs);
+		/* SIGH: failtest bug, it doesn't save the ntdb file because
+		 * we have it read-only.  If we go around again, it gets
+		 * changed underneath us and things get screwy. */
+		if (failtest_has_failed())
+			break;
+	}
+	failtest_exit(exit_status());
+
+fail:
+	failtest_suppress = true;
+	ntdb_close(ntdb);
+	failtest_exit(exit_status());
+
+	/*
+	 * We will never reach this but the compiler complains if we do not
+	 * return in this function.
+	 */
+	return EFAULT;
+}