diff --git a/javascript/extractor/tests/yaml/input/emoji_buffer_boundary.yml b/javascript/extractor/tests/yaml/input/emoji_buffer_boundary.yml
new file mode 100644
index 000000000000..a254c885d383
--- /dev/null
+++ b/javascript/extractor/tests/yaml/input/emoji_buffer_boundary.yml
@@ -0,0 +1,2 @@
+# xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+key: 🚀
diff --git a/javascript/extractor/tests/yaml/output/trap/emoji_buffer_boundary.yml.trap b/javascript/extractor/tests/yaml/output/trap/emoji_buffer_boundary.yml.trap
new file mode 100644
index 000000000000..936088d8c091
--- /dev/null
+++ b/javascript/extractor/tests/yaml/output/trap/emoji_buffer_boundary.yml.trap
@@ -0,0 +1,27 @@
+#10000=@"/emoji_buffer_boundary.yml;sourcefile"
+files(#10000,"/emoji_buffer_boundary.yml")
+#10001=@"/;folder"
+folders(#10001,"/")
+containerparent(#10001,#10000)
+#10002=@"loc,{#10000},0,0,0,0"
+locations_default(#10002,#10000,0,0,0,0)
+hasLocation(#10000,#10002)
+#20000=*
+#20001=*
+yaml_scalars(#20001,0,"key")
+yaml(#20001,0,#20000,1,"tag:yaml.org,2002:str","key")
+#20002=@"loc,{#10000},2,1,2,3"
+locations_default(#20002,#10000,2,1,2,3)
+yaml_locations(#20001,#20002)
+#20003=*
+yaml_scalars(#20003,0,"🚀")
+yaml(#20003,0,#20000,-1,"tag:yaml.org,2002:str","\u1f680\ude80")
+#20004=@"loc,{#10000},2,6,2,6"
+locations_default(#20004,#10000,2,6,2,6)
+yaml_locations(#20003,#20004)
+yaml(#20000,1,#10000,0,"tag:yaml.org,2002:map","key: \u1f680\ude80")
+#20005=@"loc,{#10000},2,1,2,8"
+locations_default(#20005,#10000,2,1,2,8)
+yaml_locations(#20000,#20005)
+numlines(#10000,2,0,0)
+filetype(#10000,"yaml")