From 2b65e86ec7fb04d5c0e31256e80bee31a66c6d96 Mon Sep 17 00:00:00 2001
From: stelar7 <dudedbz@gmail.com>
Date: Sat, 19 Oct 2024 00:43:35 +0200
Subject: [PATCH] LibWeb: Add debug log message for missing calc() context

---
 Userland/Libraries/LibWeb/CSS/StyleValues/CSSMathValue.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibWeb/CSS/StyleValues/CSSMathValue.cpp b/Userland/Libraries/LibWeb/CSS/StyleValues/CSSMathValue.cpp
index f815a6be32a..e79b075c2b0 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValues/CSSMathValue.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleValues/CSSMathValue.cpp
@@ -52,8 +52,10 @@ static double resolve_value(CSSMathValue::CalculationResult::Value value, Option
                 return length.absolute_length_to_px().to_double();
 
             // If we dont have a context, we cant resolve the length, so return NAN
-            if (!context.has_value())
+            if (!context.has_value()) {
+                dbgln("Failed to resolve length, likely due to calc() being used with relative units and a property not taking it into account");
                 return Number(Number::Type::Number, NAN).value();
+            }
 
             return length.to_px(*context).to_double();
         });