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import org.checkerframework.checker.initialization.qual.*;
import org.checkerframework.checker.nullness.qual.*;
import org.checkerframework.framework.qual.EnsuresQualifier;
import org.checkerframework.framework.qual.EnsuresQualifierIf;
class Initializer {
public String a;
public String b = "abc";
// :: error: (assignment.type.incompatible)
public String c = null;
public String d = ("");
public Initializer() {
// :: error: (assignment.type.incompatible)
a = null;
a = "";
c = "";
}
// :: error: (initialization.fields.uninitialized)
public Initializer(boolean foo) {}
public Initializer(int foo) {
a = "";
c = "";
}
public Initializer(float foo) {
setField();
c = "";
}
public Initializer(double foo) {
if (!setFieldMaybe()) {
a = "";
}
c = "";
}
// :: error: (initialization.fields.uninitialized)
public Initializer(double foo, boolean t) {
if (!setFieldMaybe()) {
// on this path, 'a' is not initialized
}
c = "";
}
@EnsuresQualifier(expression = "a", qualifier = NonNull.class)
public void setField(@UnknownInitialization Initializer this) {
a = "";
}
@EnsuresQualifierIf(result = true, expression = "a", qualifier = NonNull.class)
public boolean setFieldMaybe(@UnknownInitialization Initializer this) {
a = "";
return true;
}
String f = "";
void t1(@UnknownInitialization Initializer this) {
// :: error: (dereference.of.nullable)
this.f.toString();
}
String fieldF = "";
}
class SubInitializer extends Initializer {
String f = "";
void subt1(@UnknownInitialization(Initializer.class) SubInitializer this) {
fieldF.toString();
super.f.toString();
// :: error: (dereference.of.nullable)
this.f.toString();
}
void subt2(@UnknownInitialization SubInitializer this) {
// :: error: (dereference.of.nullable)
fieldF.toString();
// :: error: (dereference.of.nullable)
super.f.toString();
// :: error: (dereference.of.nullable)
this.f.toString();
}
}
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