From c67d701ad81da65a576efd3341634f8cd3892c9b Mon Sep 17 00:00:00 2001
From: Alejandro-FA <61871580+Alejandro-FA@users.noreply.github.com>
Date: Thu, 25 Jan 2024 18:19:15 +0100
Subject: [PATCH] Fix indentation of empty sequences and add test

---
 src/emitter.cpp                   |  3 ++-
 test/integration/emitter_test.cpp | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/emitter.cpp b/src/emitter.cpp
index 4d48307..2a2262d 100644
--- a/src/emitter.cpp
+++ b/src/emitter.cpp
@@ -213,7 +213,8 @@ void Emitter::EmitEndSeq() {
   if (m_pState->CurGroupFlowType() == FlowType::Flow) {
     if (m_stream.comment())
       m_stream << "\n";
-    m_stream << IndentTo(m_pState->CurIndent());
+    if (originalType == FlowType::Block || m_pState->HasBegunNode())
+      m_stream << IndentTo(m_pState->CurIndent());
     if (originalType == FlowType::Block) {
       m_stream << "[";
     } else {
diff --git a/test/integration/emitter_test.cpp b/test/integration/emitter_test.cpp
index b277d57..e3464a6 100644
--- a/test/integration/emitter_test.cpp
+++ b/test/integration/emitter_test.cpp
@@ -176,6 +176,17 @@ TEST_F(EmitterTest, EmptyFlowSeqWithBegunContent) {
   ]])");
 }
 
+TEST_F(EmitterTest, EmptyFlowSeqInMap) {
+  out << BeginMap;
+  out << Key << Flow << BeginSeq << EndSeq;
+  out << Value << 1;
+  out << Key << 2;
+  out << Value << Flow << BeginSeq << EndSeq;
+  out << EndMap;
+
+  ExpectEmit("[]: 1\n2: []");
+}
+
 TEST_F(EmitterTest, EmptyFlowMapWithBegunContent) {
   out << Flow;
   out << BeginSeq;