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

static method test1() → dynamic {
  core::Map<dynamic, dynamic> x = <dynamic, dynamic>{1: 1};
  {
    final synthesized core::Map<dynamic, dynamic> #0#0 = x;
    synthesized core::int? #0#4;
    synthesized core::bool #0#4#isSet = false;
    if(#0#0 is core::Map<core::int, core::int> && (!((#0#4#isSet ?{core::int?} #0#4{core::int?} : let final dynamic #t1 = #0#4#isSet = true in #0#4 = #0#0{core::Map<core::int, core::int>}.{core::Map::[]}(#C1){(core::Object?) → core::int?}) == null) || null is core::int && #0#0{core::Map<core::int, core::int>}.{core::Map::containsKey}(#C1){(core::Object?) → core::bool}) && #C1 =={core::num::==}{(core::Object) → core::bool} (#0#4#isSet ?{core::int?} #0#4{core::int?} : let final dynamic #t2 = #0#4#isSet = true in #0#4 = #0#0{core::Map<core::int, core::int>}.{core::Map::[]}(#C1){(core::Object?) → core::int?}) as{Unchecked} core::int) {
      return 1;
    }
    else {
      return 0;
    }
  }
}
static method test2() → dynamic {
  core::Map<dynamic, dynamic> x = <core::int, core::int>{1: 1, 2: 2};
  {
    final synthesized core::Map<dynamic, dynamic> #0#0 = x;
    synthesized core::int? #0#4;
    synthesized core::bool #0#4#isSet = false;
    if(#0#0 is core::Map<core::int, core::int> && (!((#0#4#isSet ?{core::int?} #0#4{core::int?} : let final dynamic #t3 = #0#4#isSet = true in #0#4 = #0#0{core::Map<core::int, core::int>}.{core::Map::[]}(#C1){(core::Object?) → core::int?}) == null) || null is core::int && #0#0{core::Map<core::int, core::int>}.{core::Map::containsKey}(#C1){(core::Object?) → core::bool}) && #C1 =={core::num::==}{(core::Object) → core::bool} (#0#4#isSet ?{core::int?} #0#4{core::int?} : let final dynamic #t4 = #0#4#isSet = true in #0#4 = #0#0{core::Map<core::int, core::int>}.{core::Map::[]}(#C1){(core::Object?) → core::int?}) as{Unchecked} core::int) {
      return 0;
    }
    else {
      return 1;
    }
  }
}
static method main() → dynamic {
  self::expectEquals(0, self::test1());
  self::expectEquals(0, self::test2());
}
static method expectEquals(dynamic x, dynamic y) → dynamic {
  if(!(x =={core::Object::==}{(core::Object) → core::bool} y)) {
    throw "Expected ${x} to be equal to ${y}.";
  }
}

constants  {
  #C1 = 1
}