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Diffstat (limited to 'common/polymorphism/test10.hxx')
-rw-r--r-- | common/polymorphism/test10.hxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/common/polymorphism/test10.hxx b/common/polymorphism/test10.hxx new file mode 100644 index 0000000..be7d3c0 --- /dev/null +++ b/common/polymorphism/test10.hxx @@ -0,0 +1,79 @@ +// file : common/polymorphism/test10.hxx +// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef TEST10_HXX +#define TEST10_HXX + +#include <typeinfo> + +#include <odb/core.hxx> + +// Test empty polymorphic classes. +// +#pragma db namespace table("t10_") +namespace test10 +{ + #pragma db object polymorphic + struct root + { + virtual ~root () = 0; // Auto-abstract. + root () {} + root (unsigned long i): id (i) {} + + #pragma db id + unsigned long id; + + virtual bool + compare (const root& r, bool tc = true) const + { + if (tc && typeid (r) != typeid (root)) + return false; + + return id == r.id; + } + }; + + inline root:: + ~root () {} + + inline bool + operator== (const root& x, const root& y) {return x.compare (y);} + + #pragma db object + struct base: root + { + base () {} + base (unsigned long i, unsigned long n): root (i), num (n) {} + + unsigned long num; + + virtual bool + compare (const root& r, bool tc = true) const + { + if (tc && typeid (r) != typeid (base)) + return false; + + const base& b (static_cast<const base&> (r)); + return root::compare (r, false) && num == b.num; + } + }; + + #pragma db object + struct derived: base + { + derived () {} + derived (unsigned long i, unsigned long n): base (i, n) {} + + virtual bool + compare (const root& r, bool tc = true) const + { + if (tc && typeid (r) != typeid (derived)) + return false; + + return base::compare (r, false); + } + }; +} + +#endif // TEST10_HXX |