From 087b1f8611f12ae6535c964eb1c2a23237085385 Mon Sep 17 00:00:00 2001
From: Dana Sorensen <dana.r.sorensen@gmail.com>
Date: Thu, 23 Oct 2025 20:16:22 -0600
Subject: [PATCH] added failing tests for external write/read-buffered
 components

---
 tests/test_read_buffer/regblock.rdl  | 9 +++++++++
 tests/test_write_buffer/regblock.rdl | 8 ++++++++
 2 files changed, 17 insertions(+)

diff --git a/tests/test_read_buffer/regblock.rdl b/tests/test_read_buffer/regblock.rdl
index 60ffd66..416d985 100644
--- a/tests/test_read_buffer/regblock.rdl
+++ b/tests/test_read_buffer/regblock.rdl
@@ -114,4 +114,13 @@ addrmap top {
     g4_r1->rbuffer_trigger = g4_trig.trig;
     g4_r2->rbuffer_trigger = g4_trig.trig->swmod;
 
+    //--------------------------------------------------------------------------
+    // external components
+    //--------------------------------------------------------------------------
+
+    // ensure read buffering logic is not generated for external components
+    external myreg_wide ext_reg1;
+    external regfile {
+        myreg_wide reg1;
+    } ext_block;
 };
diff --git a/tests/test_write_buffer/regblock.rdl b/tests/test_write_buffer/regblock.rdl
index ca267bc..94c0046 100644
--- a/tests/test_write_buffer/regblock.rdl
+++ b/tests/test_write_buffer/regblock.rdl
@@ -102,5 +102,13 @@ addrmap top {
     } g6_modcount;
     g6_modcount.c->incr = g6_r1.f1->swmod;
 
+    //--------------------------------------------------------------------------
+    // external components
+    //--------------------------------------------------------------------------
 
+    // ensure write buffering logic is not generated for external components
+    external myreg ext_reg1;
+    external regfile {
+        myreg reg1;
+    } ext_block;
 };