public void TestForeignKey()
{
string v;
int d;
d = -1;
v = SqlFormat.ForeignKeyFormat(d);
AssertAreEqual(v, "NULL", "ForeignKey int 1");
d = 0;
v = SqlFormat.ForeignKeyFormat(d);
AssertAreEqual(v, "NULL", "ForeignKey int 2");
d = 56;
v = SqlFormat.ForeignKeyFormat(d);
AssertAreEqual(v, "56", "ForeignKey int 3");
long l;
l = -1;
v = SqlFormat.ForeignKeyFormat(l);
AssertAreEqual(v, "NULL", "ForeignKey long 4");
l = 0;
v = SqlFormat.ForeignKeyFormat(l);
AssertAreEqual(v, "NULL", "ForeignKey int 5");
l = 56;
v = SqlFormat.ForeignKeyFormat(l);
AssertAreEqual(v, "56", "ForeignKey int 6");
}