diff --git a/tests/hot_reload/library_hide/config.json b/tests/hot_reload/library_hide/config.json
new file mode 100644
index 00000000000..9e0a859a25c
--- /dev/null
+++ b/tests/hot_reload/library_hide/config.json
@@ -0,0 +1,5 @@
+{
+  "expectedErrors": {
+    "1": "Error: Method not found: 'importedFunc'."
+  }
+}
\ No newline at end of file
diff --git a/tests/hot_reload/library_hide/lib1.0.dart b/tests/hot_reload/library_hide/lib1.0.dart
new file mode 100644
index 00000000000..1dda1494abe
--- /dev/null
+++ b/tests/hot_reload/library_hide/lib1.0.dart
@@ -0,0 +1,5 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+importedFunc() => 'a';
diff --git a/tests/hot_reload/library_hide/lib1.1.reject.dart b/tests/hot_reload/library_hide/lib1.1.reject.dart
new file mode 100644
index 00000000000..296c51d279f
--- /dev/null
+++ b/tests/hot_reload/library_hide/lib1.1.reject.dart
@@ -0,0 +1,9 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+importedFunc() => 'a';
+
+/** DIFF **/
+/*
+*/
diff --git a/tests/hot_reload/library_hide/lib1.2.dart b/tests/hot_reload/library_hide/lib1.2.dart
new file mode 100644
index 00000000000..296c51d279f
--- /dev/null
+++ b/tests/hot_reload/library_hide/lib1.2.dart
@@ -0,0 +1,9 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+importedFunc() => 'a';
+
+/** DIFF **/
+/*
+*/
diff --git a/tests/hot_reload/library_hide/main.0.dart b/tests/hot_reload/library_hide/main.0.dart
new file mode 100644
index 00000000000..f5436abbf69
--- /dev/null
+++ b/tests/hot_reload/library_hide/main.0.dart
@@ -0,0 +1,19 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1123
+
+void helper() {}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
diff --git a/tests/hot_reload/library_hide/main.1.reject.dart b/tests/hot_reload/library_hide/main.1.reject.dart
new file mode 100644
index 00000000000..2c303a02dc4
--- /dev/null
+++ b/tests/hot_reload/library_hide/main.1.reject.dart
@@ -0,0 +1,43 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+import 'lib1.dart' hide importedFunc;
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1123
+
+void helper() {
+  Expect.equals('a', importedFunc());
+}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
+
+/** DIFF **/
+/*
+@@ -5,10 +5,14 @@
+ import 'package:expect/expect.dart';
+ import 'package:reload_test/reload_test_utils.dart';
+ 
++import 'lib1.dart' hide importedFunc;
++
+ // Adapted from:
+ // https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1123
+ 
+-void helper() {}
++void helper() {
++  Expect.equals('a', importedFunc());
++}
+ 
+ Future<void> main() async {
+   helper();
+*/
diff --git a/tests/hot_reload/library_hide/main.2.dart b/tests/hot_reload/library_hide/main.2.dart
new file mode 100644
index 00000000000..9f53ab5c917
--- /dev/null
+++ b/tests/hot_reload/library_hide/main.2.dart
@@ -0,0 +1,36 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+import 'lib1.dart';
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1123
+
+void helper() {
+  Expect.equals('a', importedFunc());
+}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
+
+/** DIFF **/
+/*
+@@ -5,7 +5,7 @@
+ import 'package:expect/expect.dart';
+ import 'package:reload_test/reload_test_utils.dart';
+ 
+-import 'lib1.dart' hide importedFunc;
++import 'lib1.dart';
+ 
+ // Adapted from:
+ // https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1123
+*/
diff --git a/tests/hot_reload/library_show/config.json b/tests/hot_reload/library_show/config.json
new file mode 100644
index 00000000000..67abde786cc
--- /dev/null
+++ b/tests/hot_reload/library_show/config.json
@@ -0,0 +1,6 @@
+{
+  "expectedErrors": {
+    "1": "Error: Method not found: 'importedFunc'.",
+    "2": "Error: Method not found: 'importedIntFunc'."
+  }
+}
\ No newline at end of file
diff --git a/tests/hot_reload/library_show/lib1.0.dart b/tests/hot_reload/library_show/lib1.0.dart
new file mode 100644
index 00000000000..a6f7b8c5200
--- /dev/null
+++ b/tests/hot_reload/library_show/lib1.0.dart
@@ -0,0 +1,9 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+importedFunc() => 'a';
+importedIntFunc() => 4;
diff --git a/tests/hot_reload/library_show/lib1.1.reject.dart b/tests/hot_reload/library_show/lib1.1.reject.dart
new file mode 100644
index 00000000000..946c1dfdb54
--- /dev/null
+++ b/tests/hot_reload/library_show/lib1.1.reject.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+importedFunc() => 'a';
+importedIntFunc() => 4;
+
+/** DIFF **/
+/*
+*/
diff --git a/tests/hot_reload/library_show/lib1.2.reject.dart b/tests/hot_reload/library_show/lib1.2.reject.dart
new file mode 100644
index 00000000000..946c1dfdb54
--- /dev/null
+++ b/tests/hot_reload/library_show/lib1.2.reject.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+importedFunc() => 'a';
+importedIntFunc() => 4;
+
+/** DIFF **/
+/*
+*/
diff --git a/tests/hot_reload/library_show/lib1.3.dart b/tests/hot_reload/library_show/lib1.3.dart
new file mode 100644
index 00000000000..946c1dfdb54
--- /dev/null
+++ b/tests/hot_reload/library_show/lib1.3.dart
@@ -0,0 +1,13 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+importedFunc() => 'a';
+importedIntFunc() => 4;
+
+/** DIFF **/
+/*
+*/
diff --git a/tests/hot_reload/library_show/main.0.dart b/tests/hot_reload/library_show/main.0.dart
new file mode 100644
index 00000000000..df7512d934b
--- /dev/null
+++ b/tests/hot_reload/library_show/main.0.dart
@@ -0,0 +1,25 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+import 'lib1.dart' show importedIntFunc;
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+void helper() {
+  Expect.equals(4, importedIntFunc());
+}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
diff --git a/tests/hot_reload/library_show/main.1.reject.dart b/tests/hot_reload/library_show/main.1.reject.dart
new file mode 100644
index 00000000000..218db2a9e96
--- /dev/null
+++ b/tests/hot_reload/library_show/main.1.reject.dart
@@ -0,0 +1,38 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+import 'lib1.dart' show importedIntFunc;
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+void helper() {
+  Expect.equals(4, importedFunc());
+}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
+
+/** DIFF **/
+/*
+@@ -11,7 +11,7 @@
+ // https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+ 
+ void helper() {
+-  Expect.equals(4, importedIntFunc());
++  Expect.equals(4, importedFunc());
+ }
+ 
+ Future<void> main() async {
+*/
diff --git a/tests/hot_reload/library_show/main.2.reject.dart b/tests/hot_reload/library_show/main.2.reject.dart
new file mode 100644
index 00000000000..f6d9781e731
--- /dev/null
+++ b/tests/hot_reload/library_show/main.2.reject.dart
@@ -0,0 +1,45 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+import 'lib1.dart' show importedFunc;
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+void helper() {
+  Expect.equals(4, importedIntFunc());
+}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
+
+/** DIFF **/
+/*
+@@ -5,13 +5,13 @@
+ import 'package:expect/expect.dart';
+ import 'package:reload_test/reload_test_utils.dart';
+ 
+-import 'lib1.dart' show importedIntFunc;
++import 'lib1.dart' show importedFunc;
+ 
+ // Adapted from:
+ // https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+ 
+ void helper() {
+-  Expect.equals(4, importedFunc());
++  Expect.equals(4, importedIntFunc());
+ }
+ 
+ Future<void> main() async {
+*/
diff --git a/tests/hot_reload/library_show/main.3.dart b/tests/hot_reload/library_show/main.3.dart
new file mode 100644
index 00000000000..dc5a2e03331
--- /dev/null
+++ b/tests/hot_reload/library_show/main.3.dart
@@ -0,0 +1,38 @@
+// Copyright (c) 2025, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:expect/expect.dart';
+import 'package:reload_test/reload_test_utils.dart';
+
+import 'lib1.dart' show importedFunc;
+
+// Adapted from:
+// https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+
+void helper() {
+  Expect.equals('a', importedFunc());
+}
+
+Future<void> main() async {
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload(expectRejection: true);
+  helper();
+  await hotReload();
+  helper();
+}
+
+/** DIFF **/
+/*
+@@ -11,7 +11,7 @@
+ // https://github.com/dart-lang/sdk/blob/9f465e5b6eab0dc3af96140189d4f0190e0ff925/runtime/vm/isolate_reload_test.cc#L1153
+ 
+ void helper() {
+-  Expect.equals(4, importedIntFunc());
++  Expect.equals('a', importedFunc());
+ }
+ 
+ Future<void> main() async {
+*/