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//
// This test exercises the various ways in which mutator operators can be
// used in C# and the various different scenarios that the compiler would
// have to deal with
//
// variables, linear arrays, multi-dimensional arrays, jagged arrays,
// properties, indexers and overloaded ++ and --
//
class X {
public int v, p;
public int idx;
public int this [int n] {
get {
idx = n;
return v;
}
set {
idx = n;
v = value;
}
}
public int P {
get {
return p;
}
set {
p = value;
}
}
}
class Z {
int v;
public Z P {
get {
return null;
}
set {
}
}
static public Z operator ++ (Z v)
{
v.v++;
return v;
}
}
class Y {
static int p_pre_increment (X x)
{
return ++x.P;
}
static int p_post_increment (X x)
{
return x.P++;
}
static int i_pre_increment (X x)
{
return ++x [100];
}
static int i_post_increment (X x)
{
return x [14]++;
}
static Z overload_increment (Z z)
{
return z++;
}
static Z overload_pre_increment (Z z)
{
return ++z;
}
static Z ugly (Z z)
{
return z.P++;
}
//
// Tests the ++ and -- operators on integers
//
static int simple (int i)
{
if (++i != 11)
return 1;
if (--i != 10)
return 2;
if (i++ != 10)
return 3;
if (i-- != 11)
return 4;
return 0;
}
static int arrays ()
{
int [] a = new int [10];
int i, j;
for (i = 0; i < 10; i++)
a [i]++;
for (i = 0; i < 10; i++)
if (a [i] != 1)
return 100;
int [,] b = new int [10,10];
for (i = 0; i < 10; i++){
for (j = 0; j < 10; j++){
b [i,j] = i * 10 + j;
if (i < 5)
b [i,j]++;
else
++b [i,j];
}
}
for (i = 0; i < 10; i++){
for (j = 0; j < 10; j++){
if (b [i,j] != i * 10 + (j + 1))
return 101;
}
}
return 0;
}
static int Main ()
{
X x = new X ();
int c;
if ((c = simple (10)) != 0)
return c;
if (i_pre_increment (x) != 1)
return 5;
if (x.idx != 100)
return 6;
if (i_post_increment (x) != 1)
return 7;
if (x.idx != 14)
return 8;
if (p_pre_increment (x) != 1)
return 9;
if (x.p != 1)
return 10;
if (p_post_increment (x) != 1)
return 10;
if (x.p != 2)
return 11;
Z z = new Z();
overload_increment (z);
arrays ();
return 0;
}
}
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