Moved test for #1647 regression to regressions file.
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ddda67a096
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2 changed files with 38 additions and 25 deletions
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@ -1537,31 +1537,6 @@ NLOHMANN_JSON_SERIALIZE_ENUM(TaskState,
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{TS_COMPLETED, "completed"},
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})
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namespace
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{
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// Helper struct to test whether compile error does not trigger upon
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// conversion of an enum in the presence of non-member operator== for
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// user-defined type with "non default" from_json function (#1647).
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struct NonDefaultFromJsonStruct { };
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inline bool operator== (NonDefaultFromJsonStruct const& lhs, NonDefaultFromJsonStruct const& rhs)
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{
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return true;
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}
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}
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namespace nlohmann
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{
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template <>
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struct adl_serializer<NonDefaultFromJsonStruct>
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{
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static NonDefaultFromJsonStruct from_json (json const& j)
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{
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return {};
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}
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};
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}
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TEST_CASE("JSON to enum mapping")
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{
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SECTION("enum class")
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@ -159,6 +159,38 @@ bool operator==(Data const& lhs, Data const& rhs)
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using float_json = nlohmann::basic_json<std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, float>;
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/////////////////////////////////////////////////////////////////////
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// for #1647
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/////////////////////////////////////////////////////////////////////
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namespace
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{
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struct NonDefaultFromJsonStruct { };
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inline bool operator== (NonDefaultFromJsonStruct const& lhs, NonDefaultFromJsonStruct const& rhs)
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{
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return true;
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}
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enum class for_1647 { one, two };
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NLOHMANN_JSON_SERIALIZE_ENUM(for_1647,
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{
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{for_1647::one, "one"},
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{for_1647::two, "two"},
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})
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}
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namespace nlohmann
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{
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template <>
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struct adl_serializer<NonDefaultFromJsonStruct>
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{
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static NonDefaultFromJsonStruct from_json (json const& j)
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{
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return {};
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}
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};
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}
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TEST_CASE("regression tests")
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{
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@ -1820,6 +1852,12 @@ TEST_CASE("regression tests")
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CHECK(j.contains(jptr1));
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CHECK(j.contains(jptr2));
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}
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SECTION("issue #1647 - compile error when deserializing enum if both non-default from_json and non-member operator== exists for other type")
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{
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auto val = nlohmann::json("one").get<for_1647>();
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CHECK(val == for_1647::one);
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}
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}
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#if not defined(JSON_NOEXCEPTION)
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