From 830c048e03c7484d4f2a85d2c4a9bd9f4f5b7cae Mon Sep 17 00:00:00 2001
From: Alfi Maulana <alfi.maulana.f@gmail.com>
Date: Thu, 30 May 2024 17:41:36 +0700
Subject: [PATCH] feat: improve assertion message in `assert_message` function

---
 cmake/Assertion.cmake          | 5 ++++-
 test/cmake/AssertionTest.cmake | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/cmake/Assertion.cmake b/cmake/Assertion.cmake
index fa57fd1..36dd6fa 100644
--- a/cmake/Assertion.cmake
+++ b/cmake/Assertion.cmake
@@ -395,7 +395,10 @@ function(assert_message MODE EXPECTED_MESSAGE)
   if(NOT MESSAGE STREQUAL EXPECTED_MESSAGE)
     string(TOLOWER "${MODE}" MODE)
     string(REPLACE "_" " " MODE "${MODE}")
-    message(FATAL_ERROR "expected ${MODE} message '${MESSAGE}' to be equal to '${EXPECTED_MESSAGE}'")
+    _assert_internal_format_message(
+      ASSERT_MESSAGE "expected ${MODE} message:" "${MESSAGE}"
+      "to be equal to:" "${EXPECTED_MESSAGE}")
+    message(FATAL_ERROR "${ASSERT_MESSAGE}")
   endif()
 
   if(DEFINED ${MODE}_MESSAGES)
diff --git a/test/cmake/AssertionTest.cmake b/test/cmake/AssertionTest.cmake
index 24b16c1..3bcef98 100644
--- a/test/cmake/AssertionTest.cmake
+++ b/test/cmake/AssertionTest.cmake
@@ -200,7 +200,7 @@ function("Message assertions")
   end_mock_message()
   assert_message(
     FATAL_ERROR
-    "expected error message '' to be equal to 'some other error message'"
+    "expected error message:\n  \nto be equal to:\n  some other error message"
   )
 endfunction()