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// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.9
// Regression test for dart2js that used to optimistically infer the
// wrong types for fields because of generative constructors being
// inlined.
import "package:expect/expect.dart";
class A {
var foo;
var bar;
@pragma('vm:never-inline')
@pragma('dart2js:noInline')
A() {
// Currently defeat inlining by using a closure.
bar = () => 42;
foo = 54;
}
A.inline();
}
main() {
// Make sure A's constructor is analyzed first by surrounding the
// body by two allocations.
new A();
bar();
new A();
}
class B {
var bar;
var closure;
@pragma('vm:never-inline')
@pragma('dart2js:noInline')
B() {
// Currently defeat inlining by using a closure.
closure = () => 42;
bar = new A().foo;
}
}
@pragma('vm:never-inline')
@pragma('dart2js:noInline')
bar() {
// Make sure B's constructor is analyzed first by surrounding the
// body by two allocations.
new B();
// Currently defeat inlining by using a closure.
Expect.throwsNoSuchMethodError(() => new A.inline().foo + 42);
codegenLast();
new B();
}
@pragma('vm:never-inline')
@pragma('dart2js:noInline')
codegenLast() {
// This assignment currently defeats simple type inference, but not
// the optimistic inferrer.
new A().foo = new B().bar;
// Currently defeat inlining by using a closure.
new B().closure = () => 42;
}