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https://github.com/dart-lang/sdk
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912005267d
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680 Commit-Queue: Sigmund Cherem <sigmund@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com>
106 lines
1.8 KiB
Dart
106 lines
1.8 KiB
Dart
// Copyright (c) 2019, 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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// @dart = 2.7
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// dart2jsOptions=--omit-implicit-checks
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// Note: --omit-implicit-checks causes Expect.isNull to misbehave, so we use
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// Expect.equals(null, ...) instead.
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import 'package:expect/expect.dart';
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void main() {
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conditionalTest();
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orTest();
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andTest();
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ifTest();
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forTest();
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whileTest();
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doTest();
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notTest();
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ifElementTest();
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forElementTest();
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}
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void conditionalTest() {
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bool x = null;
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Expect.isFalse(x ? true : false);
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}
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void orTest() {
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bool x = null;
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Expect.equals(null, x || x);
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Expect.isFalse(x || false);
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Expect.isTrue(x || true);
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Expect.equals(null, false || x);
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Expect.isTrue(true || x);
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}
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void andTest() {
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bool x = null;
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Expect.isFalse(x && x);
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Expect.isFalse(x && false);
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Expect.isFalse(x && true);
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Expect.isFalse(false && x);
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Expect.equals(null, true && x);
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}
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void ifTest() {
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bool x = null;
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Expect.isFalse(() {
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if (x) {
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return true;
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} else {
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return false;
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}
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}());
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}
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void forTest() {
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bool x = null;
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Expect.isFalse(() {
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for (; x;) {
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return true;
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}
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return false;
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}());
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}
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void whileTest() {
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bool x = null;
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Expect.isFalse(() {
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while (x) {
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return true;
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}
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return false;
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}());
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}
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void doTest() {
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bool x = null;
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Expect.equals(1, () {
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int n = 0;
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do {
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n++;
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} while (x);
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return n;
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}());
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}
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void notTest() {
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bool x = null;
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Expect.isTrue(!x);
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}
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void ifElementTest() {
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bool x = null;
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Expect.listEquals([], [if (x) 1]);
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}
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void forElementTest() {
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bool x = null;
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Expect.listEquals([], [for (var i = 0; x; i++) i]);
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}
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