blob: 3205294c7033311fc42c8c252e19c9a7bd07a755 [file] [log] [blame]
// Copyright (c) 2018, 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.
import "package:expect/expect.dart";
import "implicit_new_prefix_constructor_test.dart" as prefix;
// Test that an omitted `new` is allowed for a non-generic class.
class C {
final Object x;
C(this.x); // Not const constructor.
const C.c(this.x); // Const constructor.
operator <(other) => this;
operator >(other) => other;
operator -() => this;
C get self => this;
C method() => self;
}
T id<T>(T x) => x;
main() {
const cc = const C.c(42); // Canonicalized.
var c0 = new prefix.C(42); // Original syntax.
// Uses of `prefix.C(42)` in various contexts.
var c1 = prefix.C(42);
var c2 = [prefix.C(42)][0];
var c3 = {prefix.C(42): 0}.keys.first;
var c4 = {0: prefix.C(42)}.values.first;
var c5 = id(prefix.C(42));
var c6 = prefix.C(42).self;
var c7 = prefix.C(42).method();
var c8 = C(prefix.C(42)).x;
var c9 = -prefix.C(42);
var c10 = prefix.C(42) < 9;
var c11 = C(null) > prefix.C(42);
var c12 = (c10 == c11) ? null : prefix.C(42);
var c13 = prefix.C(42)..method();
var c14;
try {
throw prefix.C(42);
} catch (e) {
c14 = e;
}
Expect.isNotNull(c12);
switch (prefix.C(42)) {
case cc:
Expect.fail("Should not be const");
break;
default:
// Success.
}
for (prefix.C(42); false; prefix.C(42), prefix.C(42)) {
Expect.fail("Unreachable");
}
var values = [
cc,
c0,
c1,
c2,
c3,
c4,
c5,
c6,
c7,
c8,
c9,
c10,
c11,
c12,
c13,
c14
];
Expect.allDistinct(values); // Non of them create constants.
for (var value in values) {
Expect.isTrue(value is C);
Expect.equals(42, (value as C).x);
}
}