X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=junkcode%2Frusty%40rustcorp.com.au-ntdb%2Ftest%2Frun-seed.c;fp=junkcode%2Frusty%40rustcorp.com.au-ntdb%2Ftest%2Frun-seed.c;h=5ca6678afa7764d2ce8e3df62884c727a360ee11;hp=0000000000000000000000000000000000000000;hb=1aab74723e837a0fd8091e264a325bb2cdcdd0fa;hpb=979071e8587d4819a7f78613b68d29e222e5db63

diff --git a/junkcode/rusty@rustcorp.com.au-ntdb/test/run-seed.c b/junkcode/rusty@rustcorp.com.au-ntdb/test/run-seed.c
new file mode 100644
index 00000000..5ca6678a
--- /dev/null
+++ b/junkcode/rusty@rustcorp.com.au-ntdb/test/run-seed.c
@@ -0,0 +1,62 @@
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include "logging.h"
+#include "helprun-external-agent.h"
+
+static int log_count = 0;
+
+/* Normally we get a log when setting random seed. */
+static void my_log_fn(struct ntdb_context *ntdb,
+		      enum ntdb_log_level level,
+		      enum NTDB_ERROR ecode,
+		      const char *message, void *priv)
+{
+	log_count++;
+}
+
+static union ntdb_attribute log_attr = {
+	.log = { .base = { .attr = NTDB_ATTRIBUTE_LOG },
+		 .fn = my_log_fn }
+};
+
+int main(int argc, char *argv[])
+{
+	unsigned int i;
+	struct ntdb_context *ntdb;
+	union ntdb_attribute attr;
+	int flags[] = { NTDB_INTERNAL, NTDB_DEFAULT, NTDB_NOMMAP,
+			NTDB_INTERNAL|NTDB_CONVERT, NTDB_CONVERT,
+			NTDB_NOMMAP|NTDB_CONVERT };
+
+	attr.seed.base.attr = NTDB_ATTRIBUTE_SEED;
+	attr.seed.base.next = &log_attr;
+	attr.seed.seed = 42;
+
+	plan_tests(sizeof(flags) / sizeof(flags[0]) * 4 + 4 * 3);
+	for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
+		struct ntdb_header hdr;
+		int fd;
+		ntdb = ntdb_open("run-seed.ntdb", flags[i]|MAYBE_NOSYNC,
+			       O_RDWR|O_CREAT|O_TRUNC, 0600, &attr);
+		ok1(ntdb);
+		if (!ntdb)
+			continue;
+		ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+		ok1(ntdb->hash_seed == 42);
+		ok1(log_count == 0);
+		ntdb_close(ntdb);
+
+		if (flags[i] & NTDB_INTERNAL)
+			continue;
+
+		fd = open("run-seed.ntdb", O_RDONLY);
+		ok1(fd >= 0);
+		ok1(read(fd, &hdr, sizeof(hdr)) == sizeof(hdr));
+		if (flags[i] & NTDB_CONVERT)
+			ok1(bswap_64(hdr.hash_seed) == 42);
+		else
+			ok1(hdr.hash_seed == 42);
+		close(fd);
+	}
+	return exit_status();
+}