1 files changed, 44 insertions, 0 deletions
diff --git a/test/rexml/functions/test_local_name.rb b/test/rexml/functions/test_local_name.rb
new file mode 100644
index 0000000000..97c9e74852
--- /dev/null
+++ b/test/rexml/functions/test_local_name.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: false
+
+require "test/unit"
+require "rexml/document"
+require "rexml/functions"
+
+module REXMLTests
+  class TestFunctionsLocalName < Test::Unit::TestCase
+    def setup
+      REXML::Functions.context = nil
+    end
+
+    def test_one
+      document = REXML::Document.new(<<-XML)
+<root xmlns:x="http://example.com/x/">
+  <x:child/>
+</root>
+      XML
+      node_set = document.root.children
+      assert_equal("child", REXML::Functions.local_name(node_set))
+    end
+
+    def test_multiple
+      document = REXML::Document.new(<<-XML)
+<root xmlns:x="http://example.com/x/">
+  <x:child1/>
+  <x:child2/>
+</root>
+      XML
+      node_set = document.root.children
+      assert_equal("child1", REXML::Functions.local_name(node_set))
+    end
+
+    def test_nonexistent
+      assert_equal("", REXML::Functions.local_name([]))
+    end
+
+    def test_context
+      document = REXML::Document.new("<root/>")
+      REXML::Functions.context = {node: document.root}
+      assert_equal("root", REXML::Functions.local_name())
+    end
+  end
+end