kernel32/tests: Add activation context test with empty assembly manifest.

dlls/kernel32/tests/actctx.c

@@ -542,6 +542,8 @@ static const char builtin_dll_manifest[] =
 "   </dependency>"
 "</assembly>";
 
+static const char empty_assembly_manifest[] =
+"<assembly xmlns=\"urn:schemas-microsoft-com:asm.v1\" manifestVersion=\"1.0\" />";
 
 DEFINE_GUID(VISTA_COMPAT_GUID,      0xe2011457, 0x1546, 0x43c5, 0xa5, 0xfe, 0x00, 0x8d, 0xee, 0xe3, 0xd3, 0xf0);
 DEFINE_GUID(WIN7_COMPAT_GUID,       0x35138b9a, 0x5d96, 0x4fbd, 0x8e, 0x2d, 0xa2, 0x44, 0x02, 0x25, 0xf9, 0x3a);
@@ -2516,6 +2518,18 @@ static void test_actctx(void)
         ReleaseActCtx(handle);
     }
 
+    /* Empty <assembly/> element. */
+    create_manifest_file("empty_assembly.manifest", empty_assembly_manifest, -1, NULL, NULL);
+    handle = test_create("empty_assembly.manifest");
+    todo_wine
+    ok(handle != INVALID_HANDLE_VALUE, "Failed to create activation context.\n");
+    DeleteFileA("empty_assembly.manifest");
+    if (handle != INVALID_HANDLE_VALUE)
+    {
+        test_basic_info(handle, __LINE__);
+        ReleaseActCtx(handle);
+    }
+
     test_wndclass_section();
     test_dllredirect_section();
     test_typelib_section();