public void CopyQualifiedTypeName()
{
InteropUtilities.CopyQualifiedTypeName(null, null, "", "");
InteropUtilities.CopyQualifiedTypeName(null, null, "Alpha", "Beta");
var buffer = new char[12];
void ClearBuffer()
{
for (int i = 0; i < buffer.Length; i++)
{
buffer[i] = 'x';
}
}
fixed(char *bufferPtr = &buffer[0])
{
int length;
ClearBuffer();
InteropUtilities.CopyQualifiedTypeName(null, &length, "", "");
Assert.Equal(0, length);
length = -1;
InteropUtilities.CopyQualifiedTypeName(bufferPtr + 1, &length, "", "");
AssertEx.Equal(new char[] { 'x', '\0', 'x', 'x', 'x', 'x', 'x', 'x', 'x', 'x', 'x', 'x' }, buffer);
Assert.Equal(0, length);
ClearBuffer();
InteropUtilities.CopyQualifiedTypeName(null, &length, "", "B");
Assert.Equal(1, length);
length = -1;
InteropUtilities.CopyQualifiedTypeName(bufferPtr + 1, &length, "", "B");
AssertEx.Equal(new char[] { 'x', 'B', '\0', 'x', 'x', 'x', 'x', 'x', 'x', 'x', 'x', 'x' }, buffer);
Assert.Equal(1, length);
ClearBuffer();
InteropUtilities.CopyQualifiedTypeName(null, &length, "A", "B");
Assert.Equal(3, length);
length = -1;
InteropUtilities.CopyQualifiedTypeName(bufferPtr + 1, &length, "A", "B");
AssertEx.Equal(new char[] { 'x', 'A', '.', 'B', '\0', 'x', 'x', 'x', 'x', 'x', 'x', 'x' }, buffer);
Assert.Equal(3, length);
ClearBuffer();
InteropUtilities.CopyQualifiedTypeName(null, &length, "Alpha", "Beta");
Assert.Equal(10, length);
length = -1;
InteropUtilities.CopyQualifiedTypeName(bufferPtr, &length, "Alpha", "Beta");
AssertEx.Equal(new char[] { 'A', 'l', 'p', 'h', 'a', '.', 'B', 'e', 't', 'a', '\0', 'x' }, buffer);
Assert.Equal(10, length);
}
}
