From 0f5e9f00b07606871a6289060fa904555d41ae7d Mon Sep 17 00:00:00 2001
From: Eugen Wissner <belka@caraus.de>
Date: Mon, 31 Aug 2026 17:18:39 +0200
Subject: Reject comparison of uncompatible types

---
 testsuite/runnable/case_constant_label.elna        | 13 +++++++++++++
 testsuite/runnable/exported_variable/helper.elna   |  4 ++++
 testsuite/runnable/exported_variable/sut.elna      |  5 +++++
 testsuite/runnable/generic_pointer_arithmetic.elna | 13 +++++++++++++
 4 files changed, 35 insertions(+)
 create mode 100644 testsuite/runnable/case_constant_label.elna
 create mode 100644 testsuite/runnable/exported_variable/helper.elna
 create mode 100644 testsuite/runnable/exported_variable/sut.elna
 create mode 100644 testsuite/runnable/generic_pointer_arithmetic.elna

(limited to 'testsuite/runnable')

diff --git a/testsuite/runnable/case_constant_label.elna b/testsuite/runnable/case_constant_label.elna
new file mode 100644
index 0000000..5d55e9f
--- /dev/null
+++ b/testsuite/runnable/case_constant_label.elna
@@ -0,0 +1,13 @@
+var
+  base: const Int := 2
+  limit: const Int := base
+  x: Int := 2
+  matched: Bool := false
+
+begin
+  case x of
+    1: assert(false)
+  | limit: matched := true
+  end;
+  assert(matched)
+end.
diff --git a/testsuite/runnable/exported_variable/helper.elna b/testsuite/runnable/exported_variable/helper.elna
new file mode 100644
index 0000000..23924be
--- /dev/null
+++ b/testsuite/runnable/exported_variable/helper.elna
@@ -0,0 +1,4 @@
+var
+  Shared*: Int := 42
+
+end.
diff --git a/testsuite/runnable/exported_variable/sut.elna b/testsuite/runnable/exported_variable/sut.elna
new file mode 100644
index 0000000..52fb291
--- /dev/null
+++ b/testsuite/runnable/exported_variable/sut.elna
@@ -0,0 +1,5 @@
+import helper
+
+begin
+  assert(Shared = 42)
+end.
diff --git a/testsuite/runnable/generic_pointer_arithmetic.elna b/testsuite/runnable/generic_pointer_arithmetic.elna
new file mode 100644
index 0000000..c737c7d
--- /dev/null
+++ b/testsuite/runnable/generic_pointer_arithmetic.elna
@@ -0,0 +1,13 @@
+var
+  base: [4]Int
+  element: ^Int
+  first: Pointer
+  second: Pointer
+
+begin
+  element := base.ptr;
+  first := element;
+  second := first + 1;
+  assert(cast(second : Word) - cast(first : Word) = 1u);
+  assert(second - 1 = first)
+end.
-- 
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