ccan/ntdb: demote to junkcode.

[ccan] / junkcode / rusty@rustcorp.com.au-ntdb / test / run-50-multiple-freelists.c

diff --git a/junkcode/rusty@rustcorp.com.au-ntdb/test/run-50-multiple-freelists.c b/junkcode/rusty@rustcorp.com.au-ntdb/test/run-50-multiple-freelists.c
new file mode 100644 (file)
index 0000000..4a7cf89
--- /dev/null
+++ b/junkcode/rusty@rustcorp.com.au-ntdb/test/run-50-multiple-freelists.c
@@ -0,0 +1,71 @@
+#include "ntdb-source.h"
+#include "tap-interface.h"
+#include "logging.h"
+#include "layout.h"
+#include "helprun-external-agent.h"
+
+int main(int argc, char *argv[])
+{
+       ntdb_off_t off;
+       struct ntdb_context *ntdb;
+       struct ntdb_layout *layout;
+       NTDB_DATA key, data;
+       union ntdb_attribute seed;
+
+       /* This seed value previously tickled a layout.c bug. */
+       seed.base.attr = NTDB_ATTRIBUTE_SEED;
+       seed.seed.seed = 0xb1142bc054d035b4ULL;
+       seed.base.next = &tap_log_attr;
+
+       plan_tests(11);
+       key = ntdb_mkdata("Hello", 5);
+       data = ntdb_mkdata("world", 5);
+
+       /* Create a NTDB with three free tables. */
+       layout = new_ntdb_layout();
+       ntdb_layout_add_freetable(layout);
+       ntdb_layout_add_freetable(layout);
+       ntdb_layout_add_freetable(layout);
+       ntdb_layout_add_free(layout, 80, 0);
+       /* Used record prevent coalescing. */
+       ntdb_layout_add_used(layout, key, data, 6);
+       ntdb_layout_add_free(layout, 160, 1);
+       key.dsize--;
+       ntdb_layout_add_used(layout, key, data, 7);
+       ntdb_layout_add_free(layout, 320, 2);
+       key.dsize--;
+       ntdb_layout_add_used(layout, key, data, 8);
+       ntdb_layout_add_free(layout, 40, 0);
+       ntdb = ntdb_layout_get(layout, free, &seed);
+       ok1(ntdb_check(ntdb, NULL, NULL) == 0);
+
+       off = get_free(ntdb, 0, 80 - sizeof(struct ntdb_used_record), 0,
+                      NTDB_USED_MAGIC);
+       ok1(off == layout->elem[3].base.off);
+       ok1(ntdb->ftable_off == layout->elem[0].base.off);
+
+       off = get_free(ntdb, 0, 160 - sizeof(struct ntdb_used_record), 0,
+                      NTDB_USED_MAGIC);
+       ok1(off == layout->elem[5].base.off);
+       ok1(ntdb->ftable_off == layout->elem[1].base.off);
+
+       off = get_free(ntdb, 0, 320 - sizeof(struct ntdb_used_record), 0,
+                      NTDB_USED_MAGIC);
+       ok1(off == layout->elem[7].base.off);
+       ok1(ntdb->ftable_off == layout->elem[2].base.off);
+
+       off = get_free(ntdb, 0, 40 - sizeof(struct ntdb_used_record), 0,
+                      NTDB_USED_MAGIC);
+       ok1(off == layout->elem[9].base.off);
+       ok1(ntdb->ftable_off == layout->elem[0].base.off);
+
+       /* Now we fail. */
+       off = get_free(ntdb, 0, 0, 1, NTDB_USED_MAGIC);
+       ok1(off == 0);
+
+       ntdb_close(ntdb);
+       ntdb_layout_free(layout);
+
+       ok1(tap_log_messages == 0);
+       return exit_status();
+}