sdk/pkg/front_end/testcases/patterns/simple_rest_pattern.dart.weak.expect

library /*isNonNullableByDefault*/;
import self as self;
import "dart:core" as core;

static method test1(dynamic x) → dynamic {
  final dynamic #t1 = x;
  final core::bool #t2 = true;
  final dynamic #t3 = #t1;
  if(#t3 is core::List<dynamic> && #t3{core::List<dynamic>}.{core::List::length}{core::int}.{core::num::==}(1){(core::Object) → core::bool}) {
    final dynamic #t4 = #t3{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic};
    final dynamic #t5 = #t4;
    if(#t5 is core::int) {
      #t2 = false;
      {
        core::int y = #t5{core::int};
        {
          return y;
        }
      }
    }
  }
  if(#t2) {
    return null;
  }
}
static method test2(dynamic x) → dynamic {
  final dynamic #t6 = x;
  final core::bool #t7 = true;
  final dynamic #t8 = #t6;
  if(#t8 is core::List<dynamic> && #t8{core::List<dynamic>}.{core::List::length}{core::int}.{core::num::>=}(1){(core::num) → core::bool}) {
    final dynamic #t9 = #t8{core::List<dynamic>}.{core::List::[]}(0){(core::int) → dynamic};
    final dynamic #t10 = #t9;
    if(#t10 is core::int) {
      #t7 = false;
      {
        core::int y = #t10{core::int};
        {
          return y;
        }
      }
    }
  }
  if(#t7) {
    return null;
  }
}
static method test3(dynamic x) → dynamic {
  final dynamic #t11 = x;
  final core::bool #t12 = true;
  final dynamic #t13 = #t11;
  if(#t13 is core::List<dynamic> && #t13{core::List<dynamic>}.{core::List::length}{core::int}.{core::num::>=}(1){(core::num) → core::bool}) {
    final dynamic #t14 = #t13{core::List<dynamic>}.{core::List::[]}(#t13{core::List<dynamic>}.{core::List::length}{core::int}.{core::num::-}(1){(core::num) → core::num}){(core::int) → dynamic};
    final dynamic #t15 = #t14;
    if(#t15 is core::int) {
      #t12 = false;
      {
        core::int y = #t15{core::int};
        {
          return y;
        }
      }
    }
  }
  if(#t12) {
    return null;
  }
}
static method main() → dynamic {
  self::expectEquals(self::test1(<core::int>[1]), 1);
  self::expectEquals(self::test1(<core::int>[1, 2, 3]), null);
  self::expectEquals(self::test1(<dynamic>[]), null);
  self::expectEquals(self::test1("foo"), null);
  self::expectEquals(self::test2(<core::int>[1]), 1);
  self::expectEquals(self::test2(<core::int>[1, 2, 3]), 1);
  self::expectEquals(self::test2(<dynamic>[]), null);
  self::expectEquals(self::test2("foo"), null);
  self::expectEquals(self::test3(<core::int>[1]), 1);
  self::expectEquals(self::test3(<core::int>[1, 2, 3]), 3);
  self::expectEquals(self::test3(<dynamic>[]), null);
  self::expectEquals(self::test3("foo"), null);
}
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}.";
  }
}