public void StringNamedFieldATest()
{
var ts = new TestStrStructA {
iVal = str.Length + 1, array = str
};
var strOffset = Marshal.OffsetOf <TestStrStructA>(nameof(TestStrStructA.array)).ToInt64();
IVanaraMarshaler m = new AnySizeStringMarshaler <TestStrStructA>(nameof(TestStrStructA.iVal));
using (var mem = m.MarshalManagedToNative(ts))
{
Assert.That((long)mem.Size, Is.GreaterThanOrEqualTo(strOffset + (str.Length + 1)));
Assert.That(StringHelper.GetString(((IntPtr)mem).Offset(strOffset), CharSet.Ansi), Is.EqualTo(str));
var tsout = (TestStrStructA)m.MarshalNativeToManaged(mem, mem.Size);
Assert.That(tsout.iVal, Is.EqualTo(ts.iVal));
Assert.That(tsout.array, Is.EquivalentTo(str));
}
m = new AnySizeStringMarshaler <TestStrStructA>(nameof(TestStrStructA.iVal) + ":br");
using (var mem = m.MarshalManagedToNative(ts))
{
var newStr = str.Substring(0, Math.Min(ts.iVal, str.Length));
Assert.That((long)mem.Size, Is.GreaterThanOrEqualTo(strOffset + ts.iVal));
Assert.That(StringHelper.GetString(((IntPtr)mem).Offset(strOffset), CharSet.Ansi), Is.EqualTo(newStr));
var tsout = (TestStrStructA)m.MarshalNativeToManaged(mem, mem.Size);
Assert.That(tsout.iVal, Is.EqualTo(ts.iVal));
Assert.That(tsout.array, Is.EquivalentTo(newStr));
}
}
public void StringNoFieldTest()
{
var ts = new TestStrStructU {
iVal = str.Length + 1, array = str
};
var strOffset = Marshal.OffsetOf <TestStrStructU>(nameof(TestStrStructU.array)).ToInt64();
IVanaraMarshaler m = new AnySizeStringMarshaler <TestStrStructU>("*");
using var mem = m.MarshalManagedToNative(ts);
Assert.That((long)mem.Size, Is.GreaterThanOrEqualTo(strOffset + (str.Length + 1) * StringHelper.GetCharSize(CharSet.Unicode)));
Assert.That(StringHelper.GetString(((IntPtr)mem).Offset(strOffset), CharSet.Unicode), Is.EqualTo(str));
var tsout = (TestStrStructU)m.MarshalNativeToManaged(mem, mem.Size);
Assert.That(tsout.iVal, Is.EqualTo(ts.iVal));
Assert.That(tsout.array, Is.EquivalentTo(str));
}