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Fix Issue 11175 - Format should support IUnknown classes.

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This commit is contained in:
Andrej Mitrovic 2014-04-21 16:47:04 +02:00
parent 18296f048f
commit c434dfac4b
1 changed files with 36 additions and 1 deletions
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37
std/format.d
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@ -2748,7 +2748,22 @@ if (is(T == interface) && (hasToString!(T, Char) || !is(BuiltinTypeOf!T)) && !is
}
else
{
formatValue(w, cast(Object)val, f);
version (Windows)
{
import std.c.windows.com : IUnknown;
static if (is(T : IUnknown))
{
formatValue(w, *cast(void**)&val, f);
}
else
{
formatValue(w, cast(Object)val, f);
}
}
else
{
formatValue(w, cast(Object)val, f);
}
}
}
}
@ -2770,6 +2785,26 @@ unittest
}
Whatever val = new C;
formatTest( val, "ab" );
// Issue 11175
version (Windows)
{
import core.sys.windows.windows : HRESULT;
import std.c.windows.com : IUnknown, IID;
interface IUnknown2 : IUnknown { }
class D : IUnknown2
{
extern(Windows) HRESULT QueryInterface(const(IID)* riid, void** pvObject) { return typeof(return).init; }
extern(Windows) uint AddRef() { return 0; }
extern(Windows) uint Release() { return 0; }
}
IUnknown2 d = new D;
string expected = format("%X", cast(void*)d);
formatTest(d, expected);
}
}
/// ditto