diff --git a/tests/tests/swfs/avm2/xml_namespace_methods/Test.as b/tests/tests/swfs/avm2/xml_namespace_methods/Test.as
new file mode 100644
index 000000000000..e2d87abd288f
--- /dev/null
+++ b/tests/tests/swfs/avm2/xml_namespace_methods/Test.as
@@ -0,0 +1,81 @@
+package  {
+	import flash.display.MovieClip;
+	import flash.xml.XMLNode;
+	
+	
+	public class Test extends MovieClip {
+		
+		
+		public function Test() {
+			XML.prettyPrinting = false;
+			
+			var xml: XML =
+			<root>
+				<outer>
+					<top xmlns:topns="https://example.org/top" topns:test="top with topns">
+						<middle xmlns:middlens="https://example.org/middle" topns:test="middle with topns">
+							<bottom xmlns:bottomns="https://example.org/bottom" topns:test="bottom with topns" bottomns:test="bottom with bottomns"/>
+							<topns:namespacedTopnsSibling />
+							<middlens:namespacedMiddlensSibling />
+						</middle>
+					</top>
+				</outer>
+			</root>;
+			
+			dump(xml);
+			
+			trace("");
+			trace("top.addNamespace(new Namespace(\"topns\", \"https://example.org/top/but/replaced\"))");
+			xml.outer[0].top[0].addNamespace(new Namespace("topns", "https://example.org/top/but/replaced"));
+			trace("top.addNamespace(new Namespace(\"middlens\", \"https://example.org/middle/but/replaced\"))");
+			xml.outer[0].top[0].addNamespace(new Namespace("middlens", "https://example.org/middle/but/replaced"));
+			trace("top.addNamespace(new Namespace(\"newns\", \"https://example.org/new\"))");
+			xml.outer[0].top[0].addNamespace(new Namespace("newns", "https://example.org/new"));
+			trace("top.addNamespace(new Namespace(undefined, \"https://example.org/undefined\"))");
+			xml.outer[0].top[0].addNamespace(new Namespace(undefined, "https://example.org/undefined"));
+			
+			trace("");
+			dump(xml);
+			trace("");
+			trace("");
+			trace(xml.toString());
+		}
+		
+		function dump(node: XML) {
+			trace("// " + node.localName() + " namespace()");
+			traceNs(node.namespace());
+			trace("");
+			
+			trace("// " + node.localName() + " inScopeNamespaces()");
+			for each (var ns in node.inScopeNamespaces()) {
+				traceNs(ns);
+			}
+			trace("");
+			
+			trace("// " + node.localName() + " inScopeNamespaces()");
+			for each (var ns in node.inScopeNamespaces()) {
+				traceNs(ns);
+			}
+			trace("");
+			
+			trace("// " + node.localName() + " namespaceDeclarations()");
+			for each (var ns in node.namespaceDeclarations()) {
+				traceNs(ns);
+			}
+			trace("");
+			
+			trace("// " + node.localName() + " namespace(\"middlens\")");
+			trace(node.namespace("middlens"));
+			trace("");
+			
+			for each (var child in node.children()) {
+				dump(child);
+			}
+		}
+		
+		function traceNs(ns: Namespace) {
+			trace(ns.prefix + " = " + ns.uri);
+		}
+	}
+	
+}
diff --git a/tests/tests/swfs/avm2/xml_namespace_methods/output.txt b/tests/tests/swfs/avm2/xml_namespace_methods/output.txt
new file mode 100644
index 000000000000..e8c03bf4207c
--- /dev/null
+++ b/tests/tests/swfs/avm2/xml_namespace_methods/output.txt
@@ -0,0 +1,245 @@
+// root namespace()
+ = 
+
+// root inScopeNamespaces()
+ = 
+
+// root inScopeNamespaces()
+ = 
+
+// root namespaceDeclarations()
+
+// root namespace("middlens")
+undefined
+
+// outer namespace()
+ = 
+
+// outer inScopeNamespaces()
+ = 
+
+// outer inScopeNamespaces()
+ = 
+
+// outer namespaceDeclarations()
+
+// outer namespace("middlens")
+undefined
+
+// top namespace()
+ = 
+
+// top inScopeNamespaces()
+topns = https://example.org/top
+
+// top inScopeNamespaces()
+topns = https://example.org/top
+
+// top namespaceDeclarations()
+topns = https://example.org/top
+
+// top namespace("middlens")
+undefined
+
+// middle namespace()
+ = 
+
+// middle inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// middle inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// middle namespaceDeclarations()
+middlens = https://example.org/middle
+
+// middle namespace("middlens")
+https://example.org/middle
+
+// bottom namespace()
+ = 
+
+// bottom inScopeNamespaces()
+bottomns = https://example.org/bottom
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// bottom inScopeNamespaces()
+bottomns = https://example.org/bottom
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// bottom namespaceDeclarations()
+bottomns = https://example.org/bottom
+
+// bottom namespace("middlens")
+https://example.org/middle
+
+// namespacedTopnsSibling namespace()
+topns = https://example.org/top
+
+// namespacedTopnsSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// namespacedTopnsSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// namespacedTopnsSibling namespaceDeclarations()
+
+// namespacedTopnsSibling namespace("middlens")
+https://example.org/middle
+
+// namespacedMiddlensSibling namespace()
+middlens = https://example.org/middle
+
+// namespacedMiddlensSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// namespacedMiddlensSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top
+
+// namespacedMiddlensSibling namespaceDeclarations()
+
+// namespacedMiddlensSibling namespace("middlens")
+https://example.org/middle
+
+
+top.addNamespace(new Namespace("topns", "https://example.org/top/but/replaced"))
+top.addNamespace(new Namespace("middlens", "https://example.org/middle/but/replaced"))
+top.addNamespace(new Namespace("newns", "https://example.org/new"))
+top.addNamespace(new Namespace(undefined, "https://example.org/undefined"))
+
+// root namespace()
+ = 
+
+// root inScopeNamespaces()
+ = 
+
+// root inScopeNamespaces()
+ = 
+
+// root namespaceDeclarations()
+
+// root namespace("middlens")
+undefined
+
+// outer namespace()
+ = 
+
+// outer inScopeNamespaces()
+ = 
+
+// outer inScopeNamespaces()
+ = 
+
+// outer namespaceDeclarations()
+
+// outer namespace("middlens")
+undefined
+
+// top namespace()
+ = 
+
+// top inScopeNamespaces()
+topns = https://example.org/top/but/replaced
+middlens = https://example.org/middle/but/replaced
+newns = https://example.org/new
+
+// top inScopeNamespaces()
+topns = https://example.org/top/but/replaced
+middlens = https://example.org/middle/but/replaced
+newns = https://example.org/new
+
+// top namespaceDeclarations()
+topns = https://example.org/top/but/replaced
+middlens = https://example.org/middle/but/replaced
+newns = https://example.org/new
+
+// top namespace("middlens")
+https://example.org/middle/but/replaced
+
+// middle namespace()
+ = 
+
+// middle inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// middle inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// middle namespaceDeclarations()
+middlens = https://example.org/middle
+
+// middle namespace("middlens")
+https://example.org/middle
+
+// bottom namespace()
+ = 
+
+// bottom inScopeNamespaces()
+bottomns = https://example.org/bottom
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// bottom inScopeNamespaces()
+bottomns = https://example.org/bottom
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// bottom namespaceDeclarations()
+bottomns = https://example.org/bottom
+
+// bottom namespace("middlens")
+https://example.org/middle
+
+// namespacedTopnsSibling namespace()
+undefined = https://example.org/top
+
+// namespacedTopnsSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// namespacedTopnsSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// namespacedTopnsSibling namespaceDeclarations()
+
+// namespacedTopnsSibling namespace("middlens")
+https://example.org/middle
+
+// namespacedMiddlensSibling namespace()
+middlens = https://example.org/middle
+
+// namespacedMiddlensSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// namespacedMiddlensSibling inScopeNamespaces()
+middlens = https://example.org/middle
+topns = https://example.org/top/but/replaced
+newns = https://example.org/new
+
+// namespacedMiddlensSibling namespaceDeclarations()
+
+// namespacedMiddlensSibling namespace("middlens")
+https://example.org/middle
+
+
+
+<root><outer><top test="top with topns" xmlns:topns="https://example.org/top/but/replaced" xmlns:middlens="https://example.org/middle/but/replaced" xmlns:newns="https://example.org/new" xmlns="https://example.org/top"><middle test="middle with topns" xmlns:middlens="https://example.org/middle"><bottom test="bottom with topns" bottomns:test="bottom with bottomns" xmlns:bottomns="https://example.org/bottom"/><namespacedTopnsSibling/><middlens:namespacedMiddlensSibling/></middle></top></outer></root>
diff --git a/tests/tests/swfs/avm2/xml_namespace_methods/test.fla b/tests/tests/swfs/avm2/xml_namespace_methods/test.fla
new file mode 100644
index 000000000000..747bceda79ec
Binary files /dev/null and b/tests/tests/swfs/avm2/xml_namespace_methods/test.fla differ
diff --git a/tests/tests/swfs/avm2/xml_namespace_methods/test.swf b/tests/tests/swfs/avm2/xml_namespace_methods/test.swf
new file mode 100644
index 000000000000..7c128486ccf3
Binary files /dev/null and b/tests/tests/swfs/avm2/xml_namespace_methods/test.swf differ
diff --git a/tests/tests/swfs/avm2/xml_namespace_methods/test.toml b/tests/tests/swfs/avm2/xml_namespace_methods/test.toml
new file mode 100644
index 000000000000..2708ada71a1d
--- /dev/null
+++ b/tests/tests/swfs/avm2/xml_namespace_methods/test.toml
@@ -0,0 +1 @@
+num_frames = 1
\ No newline at end of file