From c76d838cd571ce3f71fb53bb51d17a162b314eb8 Mon Sep 17 00:00:00 2001
From: Niels Lohmann <mail@nlohmann.me>
Date: Fri, 9 Oct 2026 23:14:39 +0200
Subject: [PATCH] Avoid floating-point equality in custom key type test

GCC with -Werror=float-equal rejects comparing the double value with ==.

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
---
 tests/src/unit-custom-object-key-type.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/src/unit-custom-object-key-type.cpp b/tests/src/unit-custom-object-key-type.cpp
index f264a3971..40de28ed2 100644
--- a/tests/src/unit-custom-object-key-type.cpp
+++ b/tests/src/unit-custom-object-key-type.cpp
@@ -10,6 +10,7 @@
 
 #include <nlohmann/json.hpp>
 
+#include <cmath>
 #include <cstddef>
 #include <cstdint>
 #include <map>
@@ -273,7 +274,7 @@ bool check_shallow(const J& value)
     return a->template get<int>() == 1
     && b->is_array() && b->size() == 3 && (*b)[0].template get<bool>() && (*b)[1].is_null()
     && (*b)[2].template get<std::string>() == "x"
-    && d != c->end() && d->template get<double>() == 2.5
+    && d != c->end() && std::abs(d->template get<double>() - 2.5) < 1e-9
     && value.find(key_t(std::string(23, 'x')))->template get<int>() == 2
     && value.find(key_t(std::string(36, 'y')))->template get<int>() == 3
     && value.find(key_t(std::string(300, 'z')))->template get<int>() == 4;