Jacob Richman
2dcd56ef43
There are far too many files here to review everyone carefully. Spot checking most of the diffs look good as test code is generally written with less care than application code so lots of ugly formatting get through. If people notice files where the automated formatting bothers them feel free to comment indicating file names and I'll move spaces within comments to make the formatting cleaner and use comments to force block formatting as I have done for other case where formatting looked bad. BUG= R=efortuna@google.com Review-Url: https://codereview.chromium.org/2771453003 .
106 lines
2.3 KiB
Dart
106 lines
2.3 KiB
Dart
// Copyright (c) 2016, 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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// SharedOptions=--assert-message
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import "dart:async";
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import "package:async_helper/async_helper.dart";
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import "package:expect/expect.dart";
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main() {
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// Only run with asserts enabled mode.
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bool assertsEnabled = false;
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assert(assertsEnabled = true);
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if (!assertsEnabled) return;
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// Basics.
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assert(true, "");
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assert(() => true, "");
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int x = null;
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// Successful asserts won't execute message.
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assert(true, x + 42);
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assert(true, throw "unreachable");
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// Can use any value as message.
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try {
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assert(false, 42);
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} on AssertionError catch (e) {
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Expect.equals(42, e.message);
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}
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try {
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assert(false, "");
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} on AssertionError catch (e) {
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Expect.equals("", e.message);
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}
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try {
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assert(false, null);
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} on AssertionError catch (e) {
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Expect.equals(null, e.message);
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}
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// Test expression can throw.
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try {
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assert(throw "test", throw "message");
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} on String catch (e) {
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Expect.equals("test", e);
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}
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// Message expression can throw.
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try {
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assert(false, throw "message");
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} on String catch (e) {
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Expect.equals("message", e);
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}
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// Failing asserts evaluate message after test.
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var list = [];
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try {
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assert((list..add(1)).isEmpty, (list..add(3)).length);
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} on AssertionError catch (e) {
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Expect.equals(2, e.message);
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Expect.listEquals([1, 3], list);
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}
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asyncStart();
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asyncTests().then((_) {
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asyncEnd();
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});
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}
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Future asyncTests() async {
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// You can await in both condition and message.
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assert(true, await 0);
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assert(await true, 1);
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assert(await true, await 2);
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// Successful asserts won't await/evaluate message.
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void unreachable() => throw "unreachable";
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assert(await true, await unreachable());
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try {
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assert(false, await 3);
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} on AssertionError catch (e) {
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Expect.equals(3, e.message);
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}
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var falseFuture = new Future.value(false);
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var numFuture = new Future.value(4);
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try {
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assert(await falseFuture, await numFuture);
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} on AssertionError catch (e) {
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Expect.equals(4, e.message);
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}
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try {
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assert(await falseFuture, await new Future.error("error"));
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} on String catch (e) {
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Expect.equals("error", e);
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}
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}
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