From b0b6a7d7f4de63fba2ba91a98cecec1bd57d03f1 Mon Sep 17 00:00:00 2001
From: Johannes Stoelp <johannes.stoelp@gmail.com>
Date: Sun, 29 Oct 2023 23:05:04 +0100
Subject: test: add first lt_bus tests

---
 src/models/lt_bus.h | 1 +
 src/utils/range.h   | 6 +++++-
 src/utils/types.h   | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/models/lt_bus.h b/src/models/lt_bus.h
index c533c50..a8391f8 100644
--- a/src/models/lt_bus.h
+++ b/src/models/lt_bus.h
@@ -47,6 +47,7 @@ class lt_bus : public sc_core::sc_module {
   void attach_target(tlm::tlm_base_target_socket_b<>& target,
                      u64 start,
                      u64 end) {
+    assert(start <= end);
     const range addr{start, end};
 
     // Check if new range overlaps with any registered memory map range.
diff --git a/src/utils/range.h b/src/utils/range.h
index ce25298..e4ef12f 100644
--- a/src/utils/range.h
+++ b/src/utils/range.h
@@ -7,7 +7,7 @@
 
 struct range {
   constexpr explicit range(u64 start, u64 end) : start{start}, end{end} {
-    assert(start < end);
+    assert(start <= end);
   }
 
   constexpr bool overlaps(range rhs) const {
@@ -18,6 +18,10 @@ struct range {
     return start <= rhs.start && rhs.end <= end;
   }
 
+  constexpr bool operator==(range rhs) const {
+    return start == rhs.start && end == rhs.end;
+  }
+
   u64 start;
   u64 end;
 };
diff --git a/src/utils/types.h b/src/utils/types.h
index a13b8ef..4f824f6 100644
--- a/src/utils/types.h
+++ b/src/utils/types.h
@@ -3,6 +3,7 @@
 
 #include <cstdint>
 
+using u8 = std::uint8_t;
 using u32 = std::uint32_t;
 using u64 = std::uint64_t;
 
-- 
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