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// RUN: %dafny /compile:3 /print:"%t.print" /dprint:"%t.dprint" "%s" > "%t"
// RUN: %diff "%s.expect" "%t"
trait J
{
var x: int;
}
class C extends J
{
}
method Main()
{
var c := new C;
var j: J := new C;
j.x := 8;
c.x := 9;
assert j.x + 1 == c.x;
j := c;
//assert j.x == 9; //why this does not hold??
print "j"; Print(j);
print "c"; Print(c);
c := null;
assert j != null;
j := null;
}
method Print(j: J)
requires j != null;
{
print ".x = ", j.x, "\n";
}
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