mirror of
https://github.com/dart-lang/sdk
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739852d99d
Change-Id: I3356296e72dfa07b0ac994da0ce96f766b182e80 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/137722 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Leaf Petersen <leafp@google.com>
180 lines
3.3 KiB
Dart
180 lines
3.3 KiB
Dart
// TODO(multitest): This was automatically migrated from a multitest and may
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// contain strange or dead code.
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// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import "package:expect/expect.dart";
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// Tests that we can call functions through getters.
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const TOP_LEVEL_CONST = 1;
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const TOP_LEVEL_CONST_REF = TOP_LEVEL_CONST;
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const TOP_LEVEL_NULL = null;
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var topLevel;
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class CallThroughGetterTest {
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static void testMain() {
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testTopLevel();
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testField();
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testGetter();
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testMethod();
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testEvaluationOrder();
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}
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static void testTopLevel() {
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topLevel = () {
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return 2;
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};
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Expect.equals(1, TOP_LEVEL_CONST);
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Expect.equals(1, TOP_LEVEL_CONST_REF);
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Expect.equals(2, topLevel());
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}
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static void testField() {
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A a = new A();
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a.field = () => 42;
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Expect.equals(42, a.field());
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Expect.equals(42, (a.field)());
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a.field = () => 87;
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Expect.equals(87, a.field());
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Expect.equals(87, (a.field)());
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a.field = 99;
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Expect.throwsNoSuchMethodError(() => a.field());
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Expect.throwsNoSuchMethodError(() => (a.field)());
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}
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static void testGetter() {
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A a = new A();
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a.field = () => 42;
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Expect.equals(42, a.getter());
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Expect.equals(42, (a.getter)());
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a.field = () => 87;
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Expect.equals(87, a.getter());
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Expect.equals(87, (a.getter)());
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a.field = 99;
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Expect.throwsNoSuchMethodError(() => a.getter());
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Expect.throwsNoSuchMethodError(() => (a.getter)());
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}
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static void testMethod() {
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A a = new A();
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a.field = () => 42;
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Expect.equals(true, a.method() is Function);
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Expect.equals(42, a.method()());
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a.field = () => 87;
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Expect.equals(true, a.method() is Function);
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Expect.equals(87, a.method()());
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a.field = null;
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Expect.equals(null, a.method());
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}
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static void testEvaluationOrder() {
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B b = new B();
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Expect.equals("gf", b.g0());
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b = new B();
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Expect.equals("gf", (b.g0)());
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b = new B();
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Expect.equals("xgf", b.g1(b.x));
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b = new B();
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Expect.equals("gxf", (b.g1)(b.x));
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b = new B();
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Expect.equals("xygf", b.g2(b.x, b.y));
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b = new B();
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Expect.equals("gxyf", (b.g2)(b.x, b.y));
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b = new B();
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Expect.equals("xyzgf", b.g3(b.x, b.y, b.z));
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b = new B();
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Expect.equals("gxyzf", (b.g3)(b.x, b.y, b.z));
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b = new B();
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Expect.equals("yzxgf", b.g3(b.y, b.z, b.x));
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b = new B();
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Expect.equals("gyzxf", (b.g3)(b.y, b.z, b.x));
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}
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}
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class A {
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A() {}
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var field;
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get getter {
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return field;
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}
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method() {
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return field;
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}
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}
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class B {
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B() : _order = new StringBuffer("") {}
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get g0 {
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_mark('g');
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return () {
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return _mark('f');
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};
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}
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get g1 {
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_mark('g');
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return (x) {
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return _mark('f');
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};
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}
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get g2 {
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_mark('g');
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return (x, y) {
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return _mark('f');
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};
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}
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get g3 {
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_mark('g');
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return (x, y, z) {
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return _mark('f');
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};
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}
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get x {
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_mark('x');
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return 0;
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}
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get y {
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_mark('y');
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return 1;
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}
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get z {
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_mark('z');
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return 2;
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}
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_mark(m) {
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_order.write(m);
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return _order.toString();
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}
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StringBuffer _order;
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}
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main() {
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CallThroughGetterTest.testMain();
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}
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