public void TestInvalidManualMarshalPtrToString()
{
IntPtr pTestString = IntPtr.Zero;
try
{
string testString = "hello, my name is Test!";
pTestString = MarshalUtils.StringToPtr(testString);
InvalidStringStructure stringStructure = new InvalidStringStructure
{
SimpleString = (int)pTestString
};
StringClass stringClass = new StringClass();
Assert.Throws <InvalidOperationException>(() =>
MarshalUtils.AllPtrsToStrings(stringStructure, stringClass));
}
finally
{
MarshalUtils.SafeFreeHGlobal(pTestString);
}
}
public void TestManualMarshalPtrToString()
{
IntPtr pTestString = IntPtr.Zero;
try
{
string testString = "hello, my name is Test!";
pTestString = MarshalUtils.StringToPtr(testString);
StringStructure stringStructure = new StringStructure
{
SimpleString = pTestString
};
OtherStruct otherStruct = new OtherStruct
{
OtherInt = 42,
OtherString = "blablabla"
};
StringClass stringClass = new StringClass
{
OtherField = otherStruct
};
Assert.Throws <ArgumentNullException>(() =>
MarshalUtils.AllPtrsToStrings <StringStructure, StringClass>(
stringStructure,
null));
MarshalUtils.AllPtrsToStrings(stringStructure, stringClass);
Assert.NotNull(stringClass.SimpleString);
Assert.AreEqual(stringClass.SimpleString, testString);
Assert.AreEqual(stringClass.OtherField.OtherInt, otherStruct.OtherInt);
Assert.AreEqual(stringClass.OtherField.OtherString, otherStruct.OtherString);
}
finally
{
MarshalUtils.SafeFreeHGlobal(pTestString);
}
}
