Lasse R.H. Nielsen
f8086c81ae
Collects files from `package:async_helper` and `tests/language` that are generally useful, so that all test-related helpers are in `package:expect`. Moves the two libraries from `package:async_helper` into `package:expect`, and the `tests/language/static_type_helper.dart` file too. Deprecates `async_minitest.dart`, to follow `minitest.dart`, expecting the Flutter use of it to have been fixed to not break on deprecation (I believe Flutter no longer breaks builds on deprecations at all). Patch 1 is the actual change. Patch 2+4+8 is changing all existing references to the files. Patch 6 ignores deprecation in files still using `async_minitest.dart`. 3+5+7+9 are updating this text to make the numbers match. Then it's just test-expectations and small tweaks from there. Change-Id: I1b665135b5fef9b9a0c3b340ffe9daf874d0174c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/373120 Reviewed-by: Nate Bosch <nbosch@google.com> Reviewed-by: Devon Carew <devoncarew@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
105 lines
2.3 KiB
Dart
105 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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import "dart:async";
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import "package:expect/async_helper.dart";
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import "package:expect/expect.dart";
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// TODO(rnystrom): Unify with assert_with_message_test.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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dynamic 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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Future 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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