More property tests

Also put proper comparison methods on `DerivedPath` and
`NixStringContextElem`, which is needed for the tests but good in
general.

1 files changed, 6 insertions, 5 deletions

diff --git a/src/libstore/derived-path.hh b/src/libstore/derived-path.hh
index 4edff7467..9e0cce377 100644
--- a/src/libstore/derived-path.hh
+++ b/src/libstore/derived-path.hh
@@ -4,8 +4,9 @@
 #include "path.hh"
 #include "realisation.hh"
 #include "outputs-spec.hh"
+#include "comparator.hh"
 
-#include <optional>
+#include <variant>
 
 #include <nlohmann/json_fwd.hpp>
 
@@ -27,8 +28,7 @@ struct DerivedPathOpaque {
     std::string to_string(const Store & store) const;
     static DerivedPathOpaque parse(const Store & store, std::string_view);
 
-    bool operator < (const DerivedPathOpaque & b) const
-    { return path < b.path; }
+    GENERATE_CMP(DerivedPathOpaque, me->path);
 };
 
 /**
@@ -51,8 +51,7 @@ struct DerivedPathBuilt {
     static DerivedPathBuilt parse(const Store & store, std::string_view, std::string_view);
     nlohmann::json toJSON(ref<Store> store) const;
 
-    bool operator < (const DerivedPathBuilt & b) const
-    { return std::make_pair(drvPath, outputs) < std::make_pair(b.drvPath, b.outputs); }
+    GENERATE_CMP(DerivedPathBuilt, me->drvPath, me->outputs);
 };
 
 using _DerivedPathRaw = std::variant<
@@ -96,6 +95,8 @@ struct BuiltPathBuilt {
 
     nlohmann::json toJSON(ref<Store> store) const;
     static BuiltPathBuilt parse(const Store & store, std::string_view);
+
+    GENERATE_CMP(BuiltPathBuilt, me->drvPath, me->outputs);
 };
 
 using _BuiltPathRaw = std::variant<