sequence progress

test/backends/SequenceFixture.cpp

@@ -16,18 +16,24 @@ SequenceFixture::SequenceFixture()
 }
 
 SequenceFixture::~SequenceFixture() {
-    while (!sequences_to_drop.empty()) {
-        drop_sequence_if_exists(sequences_to_drop.top());
-        sequences_to_drop.pop();
-    }
-    REQUIRE(repo.drop(db));
-    REQUIRE(db.close());
+  while (!sequences_to_drop.empty()) {
+    drop_sequence_if_exists(sequences_to_drop.top());
+    sequences_to_drop.pop();
+  }
+  REQUIRE(repo.drop(db));
+  REQUIRE(db.close());
 }
 
 void SequenceFixture::check_sequence_exists(const std::string& sequence_name) const {
+  auto result = db.sequence_exists(sequence_name);
+  REQUIRE(result.is_ok());
+  REQUIRE(*result);
 }
 
 void SequenceFixture::check_sequence_not_exists(const std::string& sequence_name) const {
+  auto result = db.sequence_exists(sequence_name);
+  REQUIRE(result.is_ok());
+  REQUIRE(!*result);
 }
 
 void SequenceFixture::drop_sequence_if_exists(const std::string& sequence_name) const {