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test: add integration tests for std::variant (#427)

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This also introduces `always_false` technique instead of `sizeof` trick for unsupported D-Bus type representation static assert. This one is more expressive and leads to more specific, more revealing compiler error messages.
This commit is contained in:
Stanislav Angelovič
2024-04-02 16:44:45 +02:00
committed by GitHub
parent a73eb9b8c1
commit b9088cc801
6 changed files with 26 additions and 9 deletions
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tests/integrationtests/TestAdaptor.cpp
+2 -2
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@@ -75,9 +75,9 @@ std::vector<int16_t> TestAdaptor::getInts16FromStruct(const sdbus::Struct<uint8_
return res;
}
sdbus::Variant TestAdaptor::processVariant(const sdbus::Variant& v)
sdbus::Variant TestAdaptor::processVariant(const std::variant<int32_t, double, std::string>& v)
{
sdbus::Variant res{static_cast<int32_t>(v.get<double>())};
sdbus::Variant res{static_cast<int32_t>(std::get<double>(v))};
return res;
}