optional: use #if instead of #ifndef in test, fixes #3859

nlohmann · nlohmann · commit 7f3dbe79c2ea · 2026-05-18T15:25:34.000+02:00
diff --git a/tests/src/unit-conversions.cpp b/tests/src/unit-conversions.cpp
@@ -1683,7 +1683,7 @@ TEST_CASE("std::filesystem::path")
 }
 #endif
 
-#ifndef JSON_USE_IMPLICIT_CONVERSIONS
+#if !JSON_USE_IMPLICIT_CONVERSIONS
 TEST_CASE("std::optional")
 {
     SECTION("null")

Original file line number	Diff line number	Diff line change
`@@ -1683,7 +1683,7 @@ TEST_CASE("std::filesystem::path")`
`1683`	`1683`	`}`
`1684`	`1684`	`#endif`
`1685`	`1685`
`1686`		`-#ifndef JSON_USE_IMPLICIT_CONVERSIONS`
	`1686`	`+#if !JSON_USE_IMPLICIT_CONVERSIONS`
`1687`	`1687`	`TEST_CASE("std::optional")`
`1688`	`1688`	`{`
`1689`	`1689`	`SECTION("null")`