Double nested classes.

src/libraries/System.Runtime.InteropServices.JavaScript/gen/JSImportGenerator/JSImportStubContext.cs

@@ -180,7 +180,7 @@ private static string GetQualifiedName(StubEnvironment env, IMethodSymbol method
 
                     nameBuilder.Append(namePart);
                 }
-                else
+                else if (namePart.Kind != SymbolDisplayPartKind.Punctuation)
                 {
                     throw new InvalidOperationException($"Name kind '{namePart.Kind}' should be reached");
                 }

src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/JSImportExportTest.cs

@@ -1206,47 +1206,55 @@ public void JsExportStringNoNs()
         public void JsExportStructClassRecords()
         {
             var actual = JavaScriptTestHelper.invokeStructClassRecords("test");
-            Assert.Equal(40, actual.Length);
+            Assert.Equal(48, actual.Length);
             Assert.Equal("test11", actual[0]);
             Assert.Equal("test12", actual[1]);
             Assert.Equal("test13", actual[2]);
             Assert.Equal("test14", actual[3]);
             Assert.Equal("test15", actual[4]);
-            Assert.Equal("test21", actual[5]);
-            Assert.Equal("test22", actual[6]);
-            Assert.Equal("test23", actual[7]);
-            Assert.Equal("test24", actual[8]);
-            Assert.Equal("test25", actual[9]);
-            Assert.Equal("test31", actual[10]);
-            Assert.Equal("test32", actual[11]);
-            Assert.Equal("test33", actual[12]);
-            Assert.Equal("test34", actual[13]);
-            Assert.Equal("test35", actual[14]);
-            Assert.Equal("test41", actual[15]);
-            Assert.Equal("test42", actual[16]);
-            Assert.Equal("test43", actual[17]);
-            Assert.Equal("test44", actual[18]);
-            Assert.Equal("test45", actual[19]);
-            Assert.Equal("test51", actual[20]);
-            Assert.Equal("test52", actual[21]);
-            Assert.Equal("test53", actual[22]);
-            Assert.Equal("test54", actual[23]);
-            Assert.Equal("test55", actual[24]);
-            Assert.Equal("test61", actual[25]);
-            Assert.Equal("test62", actual[26]);
-            Assert.Equal("test63", actual[27]);
-            Assert.Equal("test64", actual[28]);
-            Assert.Equal("test65", actual[29]);
-            Assert.Equal("test71", actual[30]);
-            Assert.Equal("test72", actual[31]);
-            Assert.Equal("test73", actual[32]);
-            Assert.Equal("test74", actual[33]);
-            Assert.Equal("test75", actual[34]);
-            Assert.Equal("test81", actual[35]);
-            Assert.Equal("test82", actual[36]);
-            Assert.Equal("test83", actual[37]);
-            Assert.Equal("test84", actual[38]);
-            Assert.Equal("test85", actual[39]);
+            Assert.Equal("test16", actual[5]);
+            Assert.Equal("test17", actual[6]);
+            Assert.Equal("test18", actual[7]);
+            Assert.Equal("test19", actual[8]);
+            Assert.Equal("test21", actual[9]);
+            Assert.Equal("test22", actual[10]);
+            Assert.Equal("test23", actual[11]);
+            Assert.Equal("test24", actual[12]);
+            Assert.Equal("test25", actual[13]);
+            Assert.Equal("test31", actual[14]);
+            Assert.Equal("test32", actual[15]);
+            Assert.Equal("test33", actual[16]);
+            Assert.Equal("test34", actual[17]);
+            Assert.Equal("test35", actual[18]);
+            Assert.Equal("test41", actual[19]);
+            Assert.Equal("test42", actual[20]);
+            Assert.Equal("test43", actual[21]);
+            Assert.Equal("test44", actual[22]);
+            Assert.Equal("test45", actual[23]);
+            Assert.Equal("test51", actual[24]);
+            Assert.Equal("test52", actual[25]);
+            Assert.Equal("test53", actual[26]);
+            Assert.Equal("test54", actual[27]);
+            Assert.Equal("test55", actual[28]);
+            Assert.Equal("test56", actual[29]);
+            Assert.Equal("test57", actual[30]);
+            Assert.Equal("test58", actual[31]);
+            Assert.Equal("test59", actual[32]);
+            Assert.Equal("test61", actual[33]);
+            Assert.Equal("test62", actual[34]);
+            Assert.Equal("test63", actual[35]);
+            Assert.Equal("test64", actual[36]);
+            Assert.Equal("test65", actual[37]);
+            Assert.Equal("test71", actual[38]);
+            Assert.Equal("test72", actual[39]);
+            Assert.Equal("test73", actual[40]);
+            Assert.Equal("test74", actual[41]);
+            Assert.Equal("test75", actual[42]);
+            Assert.Equal("test81", actual[43]);
+            Assert.Equal("test82", actual[44]);
+            Assert.Equal("test83", actual[45]);
+            Assert.Equal("test84", actual[46]);
+            Assert.Equal("test85", actual[47]);
         }
 
         [Fact]

src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/JavaScriptTestHelper.cs

@@ -949,24 +949,48 @@ public partial class NestedClass
         {
             [System.Runtime.InteropServices.JavaScript.JSExport]
             public static string EchoString(string message) => message + "12";
+
+            public partial class DoubleNestedClass
+            {
+                [System.Runtime.InteropServices.JavaScript.JSExport]
+                public static string EchoString(string message) => message + "13";
+            }
         }
 
         public partial record class NestedRecordClass
         {
             [System.Runtime.InteropServices.JavaScript.JSExport]
-            public static string EchoString(string message) => message + "13";
+            public static string EchoString(string message) => message + "14";
+
+            public partial record class DoubleNestedRecordClass
+            {
+                [System.Runtime.InteropServices.JavaScript.JSExport]
+                public static string EchoString(string message) => message + "15";
+            }
         }
 
         public partial struct NestedStruct
         {
             [System.Runtime.InteropServices.JavaScript.JSExport]
-            public static string EchoString(string message) => message + "14";
+            public static string EchoString(string message) => message + "16";
+
+            public partial struct DoubleNestedStruct
+            {
+                [System.Runtime.InteropServices.JavaScript.JSExport]
+                public static string EchoString(string message) => message + "17";
+            }
         }
 
         public partial record struct NestedRecordStruct
         {
             [System.Runtime.InteropServices.JavaScript.JSExport]
-            public static string EchoString(string message) => message + "15";
+            public static string EchoString(string message) => message + "18";
+
+            public partial record struct DoubleNestedRecordStruct
+            {
+                [System.Runtime.InteropServices.JavaScript.JSExport]
+                public static string EchoString(string message) => message + "19";
+            }
         }
     }
 
@@ -1070,24 +1094,48 @@ public partial class NestedClass
     {
         [System.Runtime.InteropServices.JavaScript.JSExport]
         public static string EchoString(string message) => message + "52";
+
+        public partial class DoubleNestedClass
+        {
+            [System.Runtime.InteropServices.JavaScript.JSExport]
+            public static string EchoString(string message) => message + "53";
+        }
     }
 
     public partial record class NestedRecordClass
     {
         [System.Runtime.InteropServices.JavaScript.JSExport]
-        public static string EchoString(string message) => message + "53";
+        public static string EchoString(string message) => message + "54";
+
+        public partial record class DoubleNestedRecordClass
+        {
+            [System.Runtime.InteropServices.JavaScript.JSExport]
+            public static string EchoString(string message) => message + "55";
+        }
     }
 
     public partial struct NestedStruct
     {
         [System.Runtime.InteropServices.JavaScript.JSExport]
-        public static string EchoString(string message) => message + "54";
+        public static string EchoString(string message) => message + "56";
+
+        public partial struct DoubleNestedStruct
+        {
+            [System.Runtime.InteropServices.JavaScript.JSExport]
+            public static string EchoString(string message) => message + "57";
+        }
     }
 
     public partial record struct NestedRecordStruct
     {
         [System.Runtime.InteropServices.JavaScript.JSExport]
-        public static string EchoString(string message) => message + "55";
+        public static string EchoString(string message) => message + "58";
+
+        public partial record struct DoubleNestedRecordStruct
+        {
+            [System.Runtime.InteropServices.JavaScript.JSExport]
+            public static string EchoString(string message) => message + "59";
+        }
     }
 }
 

src/libraries/System.Runtime.InteropServices.JavaScript/tests/System.Runtime.InteropServices.JavaScript.UnitTests/System/Runtime/InteropServices/JavaScript/JavaScriptTestHelper.mjs

@@ -175,9 +175,13 @@ export function invokeStructClassRecords(arg1) {
     return [
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedClass.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedClass.DoubleNestedClass.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedRecordClass.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedRecordClass.DoubleNestedRecordClass.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedStruct.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedStruct.DoubleNestedStruct.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedRecordStruct.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelper.NestedRecordStruct.DoubleNestedRecordStruct.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelperStruct.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelperStruct.NestedClass.EchoString(arg1),
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelperStruct.NestedRecordClass.EchoString(arg1),
@@ -195,9 +199,13 @@ export function invokeStructClassRecords(arg1) {
         dllExports.JavaScriptTestHelperNamespace.JavaScriptTestHelperRecordStruct.NestedRecordStruct.EchoString(arg1),
         dllExports.JavaScriptTestHelperNoNamespace.EchoString(arg1),
         dllExports.JavaScriptTestHelperNoNamespace.NestedClass.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNoNamespace.NestedClass.DoubleNestedClass.EchoString(arg1),
         dllExports.JavaScriptTestHelperNoNamespace.NestedRecordClass.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNoNamespace.NestedRecordClass.DoubleNestedRecordClass.EchoString(arg1),
         dllExports.JavaScriptTestHelperNoNamespace.NestedStruct.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNoNamespace.NestedStruct.DoubleNestedStruct.EchoString(arg1),
         dllExports.JavaScriptTestHelperNoNamespace.NestedRecordStruct.EchoString(arg1),
+        dllExports.JavaScriptTestHelperNoNamespace.NestedRecordStruct.DoubleNestedRecordStruct.EchoString(arg1),
         dllExports.JavaScriptTestHelperStructNoNamespace.EchoString(arg1),
         dllExports.JavaScriptTestHelperStructNoNamespace.NestedClass.EchoString(arg1),
         dllExports.JavaScriptTestHelperStructNoNamespace.NestedRecordClass.EchoString(arg1),