test: no previous values after compaction

test/api.cc

@@ -65,6 +65,27 @@ TEST_START("API test", "api")
 
   assert(bp_compact(&db) == BP_OK);
 
+  for (i = 0; i < n; i++) {
+    bp_key_t kkey;
+    bp_value_t result;
+    bp_value_t previous;
+
+    sprintf(key, "some key %d", i);
+
+    kkey.length = strlen(key) + 1;
+    kkey.value = key;
+
+    /* new values should be in place */
+    sprintf(expected, "some another value %d", i);
+    assert(bp_get(&db, &kkey, &result) == BP_OK);
+    assert(strcmp(result.value, expected) == 0);
+
+    /* previous should be not available after compaction */
+    assert(bp_get_previous(&db, &result, &previous) == BP_ENOTFOUND);
+
+    free(result.value);
+  }
+
   for (i = 0; i < n; i++) {
     sprintf(key, "some key %d", i);
     assert(bp_removes(&db, key) == BP_OK);