public void TestManualMarshalStringToPtr()
{
Queue <IntPtr> allocatedPointers = new Queue <IntPtr>();
try
{
string testString = "hello, my name is Test!";
StringClass stringClass = new StringClass
{
SimpleString = testString
};
OtherStruct otherStruct = new OtherStruct
{
OtherInt = 42,
OtherString = "blablabla"
};
StringStructure stringStructure = new StringStructure
{
OtherField = otherStruct
};
Assert.Throws <ArgumentNullException>(() =>
MarshalUtils.AllStringsToPtrs <StringClass, StringStructure>(
null,
ref stringStructure,
allocatedPointers));
Assert.Throws <ArgumentNullException>(() =>
MarshalUtils.AllStringsToPtrs(
stringClass,
ref stringStructure,
null));
MarshalUtils.AllStringsToPtrs(
stringClass,
ref stringStructure,
allocatedPointers);
string restoredString = MarshalUtils.PtrToString(stringStructure.SimpleString);
Assert.AreEqual(stringClass.SimpleString, restoredString);
Assert.AreEqual(1, allocatedPointers.Count);
Assert.AreEqual(stringStructure.OtherField.OtherInt, otherStruct.OtherInt);
Assert.AreEqual(stringStructure.OtherField.OtherString, otherStruct.OtherString);
}
finally
{
MarshalUtils.SafeFreeHGlobal(allocatedPointers);
}
}
public void TestInvalidManualMarshalStringToPtr()
{
Queue <IntPtr> allocatedPointers = new Queue <IntPtr>();
try
{
string testString = "hello, my name is Test!";
InvalidStringClass stringClass = new InvalidStringClass
{
SimpleString = testString.ToArray()
};
StringStructure stringStructure = new StringStructure();
Assert.Throws <InvalidOperationException>(() =>
MarshalUtils.AllStringsToPtrs(
stringClass,
ref stringStructure,
allocatedPointers));
}
finally
{
MarshalUtils.SafeFreeHGlobal(allocatedPointers);
}
}
