library;
import self as self;
import "dart:core" as core;

class Class1 extends core::Object {
  field core::int field;
  constructor •(core::int field) → self::Class1
    : self::Class1::field = field, super core::Object::•()
    ;
  method toString() → core::String
    return "Class1(${this.{self::Class1::field}{core::int}})";
}
class Class2 extends core::Object {
  field core::int field;
  constructor •(core::int field) → self::Class2
    : self::Class2::field = field, super core::Object::•()
    ;
  method toString() → core::String
    return "Class2(${this.{self::Class2::field}{core::int}})";
}
extension Extension1 on self::Class1 {
  method method = self::Extension1|method;
  method tearoff method = self::Extension1|get#method;
  method genericMethod = self::Extension1|genericMethod;
  method tearoff genericMethod = self::Extension1|get#genericMethod;
}
extension Extension2 on self::Class2 {
  method method = self::Extension2|method;
  method tearoff method = self::Extension2|get#method;
  method genericMethod = self::Extension2|genericMethod;
  method tearoff genericMethod = self::Extension2|get#genericMethod;
}
static extension-member method Extension1|method(lowered final self::Class1 #this) → core::int {
  core::print("Extension1.method on ${#this}");
  return #this.{self::Class1::field}{core::int};
}
static extension-member method Extension1|get#method(lowered final self::Class1 #this) → () → core::int
  return () → core::int => self::Extension1|method(#this);
static extension-member method Extension1|genericMethod<T extends core::num>(lowered final self::Class1 #this, self::Extension1|genericMethod::T t) → core::num {
  core::print("Extension1.genericMethod<${self::Extension1|genericMethod::T}>(${t}) on ${#this}");
  return #this.{self::Class1::field}{core::int}.{core::num::+}(t){(core::num) → core::num};
}
static extension-member method Extension1|get#genericMethod(lowered final self::Class1 #this) → <T extends core::num>(T) → core::num
  return <T extends core::num>(T t) → core::num => self::Extension1|genericMethod<T>(#this, t);
static extension-member method Extension2|method(lowered final self::Class2 #this) → core::int {
  core::print("Extension2.method on ${#this}");
  return #this.{self::Class2::field}{core::int}.{core::num::+}(2){(core::num) → core::int};
}
static extension-member method Extension2|get#method(lowered final self::Class2 #this) → () → core::int
  return () → core::int => self::Extension2|method(#this);
static extension-member method Extension2|genericMethod<T extends core::num>(lowered final self::Class2 #this, self::Extension2|genericMethod::T t) → core::num {
  core::print("Extension2.genericMethod<${self::Extension2|genericMethod::T}>(${t}) on ${#this}");
  return #this.{self::Class2::field}{core::int}.{core::num::+}(t){(core::num) → core::num}.{core::num::+}(3){(core::num) → core::num};
}
static extension-member method Extension2|get#genericMethod(lowered final self::Class2 #this) → <T extends core::num>(T) → core::num
  return <T extends core::num>(T t) → core::num => self::Extension2|genericMethod<T>(#this, t);
static method main() → dynamic {
  self::testExtension1();
  self::testExtension2();
}
static method testExtension1() → dynamic {
  self::Class1 c0 = new self::Class1::•(0);
  self::Class1 c1 = new self::Class1::•(1);
  () → core::int tearOff0 = self::Extension1|get#method(c0);
  self::expect(0, tearOff0(){() → core::int});
  c0 = new self::Class1::•(4.{core::int::unary-}(){() → core::int});
  self::expect(0, tearOff0(){() → core::int});
  () → core::int tearOff1 = self::Extension1|get#method(c1);
  self::expect(1, tearOff1(){() → core::int});
  c1 = new self::Class1::•(7.{core::int::unary-}(){() → core::int});
  self::expect(1, tearOff1(){() → core::int});
  <T extends core::num>(T) → core::num genericTearOff0 = self::Extension1|get#genericMethod(c0);
  self::expect(38, genericTearOff0<core::int>(42){(core::int) → core::num});
  self::expect(38, genericTearOff0<core::num>(42){(core::num) → core::num});
  <T extends core::num>(T) → core::num genericTearOff1 = self::Extension1|get#genericMethod(c1);
  self::expect(35, genericTearOff1<core::int>(42){(core::int) → core::num});
  self::expect(35, genericTearOff1<core::num>(42){(core::num) → core::num});
}
static method testExtension2() → dynamic {
  self::Class2 c0 = new self::Class2::•(0);
  self::Class2 c1 = new self::Class2::•(1);
  () → core::int tearOff0 = self::Extension2|get#method(c0);
  self::expect(2, tearOff0(){() → core::int});
  c0 = new self::Class2::•(4.{core::int::unary-}(){() → core::int});
  self::expect(2, tearOff0(){() → core::int});
  () → core::int tearOff1 = self::Extension2|get#method(c1);
  self::expect(3, tearOff1(){() → core::int});
  c1 = new self::Class2::•(7.{core::int::unary-}(){() → core::int});
  self::expect(3, tearOff1(){() → core::int});
  <T extends core::num>(T) → core::num genericTearOff0 = self::Extension2|get#genericMethod(c0);
  self::expect(41, genericTearOff0<core::int>(42){(core::int) → core::num});
  self::expect(41, genericTearOff0<core::num>(42){(core::num) → core::num});
  <T extends core::num>(T) → core::num genericTearOff1 = self::Extension2|get#genericMethod(c1);
  self::expect(38, genericTearOff1<core::int>(42){(core::int) → core::num});
  self::expect(38, genericTearOff1<core::num>(42){(core::num) → core::num});
}
static method expect(dynamic expected, dynamic actual) → dynamic {
  if(!(expected =={core::Object::==}{(core::Object) → core::bool} actual)) {
    throw "Mismatch: expected=${expected}, actual=${actual}";
  }
}