Method testDoubleEdgeCases

tests/test_validation.cpp:363–373

    }

    void testDoubleEdgeCases() {
        bool ok;
        fmt::parseValue(NodeKind::Double, "1.7976931348623157e+308", &ok);
        QVERIFY(ok);

        fmt::parseValue(NodeKind::Double, "abc", &ok);
        QVERIFY(!ok);

        fmt::parseValue(NodeKind::Double, "1,5", &ok);
        QVERIFY(ok);  // EU comma
    }

    // ── Bool: only "true"/"false"/"0"/"1" are valid ──