library test /*isLegacy*/;
//
// Problems in library:
//
// pkg/front_end/testcases/inference/bug31436.dart:5:1: Error: Library doesn't support null safety.
// // @dart=2.9
// ^^^^^^^^^^^^
//
import self as self;
import "dart:core" as core;

static method block_test() → void {
  () →* core::List<core::Object*>* g;
  g = () → core::List<core::Object*>* {
    return core::_GrowableList::_literal1<core::Object*>(3);
  };
  assert(g is{ForLegacy} () →* core::List<core::Object*>*);
  assert(!(g is{ForLegacy} () →* core::List<core::int*>*));
  g(){() →* core::List<core::Object*>*}.{core::List::add}("hello"){(core::Object*) →* void};
  core::List<core::int*>* l = core::_GrowableList::_literal1<core::int*>(3);
  g = () → core::List<core::int*>* {
    return l;
  };
  assert(g is{ForLegacy} () →* core::List<core::Object*>*);
  assert(g is{ForLegacy} () →* core::List<core::int*>*);
  try {
    g(){() →* core::List<core::Object*>*}.{core::List::add}("hello"){(core::Object*) →* void};
    throw "expected a runtime error";
  }
  on core::TypeError* catch(no-exception-var) {
  }
  core::Object* o = l;
  g = () → core::List<core::Object*>* {
    return o as{TypeError,ForLegacy} core::List<core::Object*>*;
  };
  assert(g is{ForLegacy} () →* core::List<core::Object*>*);
  assert(!(g is{ForLegacy} () →* core::List<core::int*>*));
  assert(!(g is{ForLegacy} () →* core::Object*));
  g(){() →* core::List<core::Object*>*};
  o = 3;
  try {
    g(){() →* core::List<core::Object*>*};
    throw "expected a runtime error";
  }
  on core::TypeError* catch(no-exception-var) {
  }
}
static method arrow_test() → void {
  () →* core::List<core::Object*>* g;
  g = () → core::List<core::Object*>* => core::_GrowableList::_literal1<core::Object*>(3);
  assert(g is{ForLegacy} () →* core::List<core::Object*>*);
  assert(!(g is{ForLegacy} () →* core::List<core::int*>*));
  g(){() →* core::List<core::Object*>*}.{core::List::add}("hello"){(core::Object*) →* void};
  core::List<core::int*>* l = core::_GrowableList::_literal1<core::int*>(3);
  g = () → core::List<core::int*>* => l;
  assert(g is{ForLegacy} () →* core::List<core::Object*>*);
  assert(g is{ForLegacy} () →* core::List<core::int*>*);
  try {
    g(){() →* core::List<core::Object*>*}.{core::List::add}("hello"){(core::Object*) →* void};
    throw "expected a runtime error";
  }
  on core::TypeError* catch(no-exception-var) {
  }
  core::Object* o = l;
  g = () → core::List<core::Object*>* => o as{TypeError,ForLegacy} core::List<core::Object*>*;
  assert(g is{ForLegacy} () →* core::List<core::Object*>*);
  assert(!(g is{ForLegacy} () →* core::List<core::int*>*));
  assert(!(g is{ForLegacy} () →* core::Object*));
  g(){() →* core::List<core::Object*>*};
  o = 3;
  try {
    g(){() →* core::List<core::Object*>*};
    throw "expected a runtime error";
  }
  on core::TypeError* catch(no-exception-var) {
  }
}
static method main() → dynamic {
  self::block_test();
  self::arrow_test();
}