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Unified Diff: lib/src/throws_matcher.dart

Issue 955543002: Move a bunch of src/ files into subdirectories. (Closed) Base URL: git@github.com:dart-lang/unittest@master
Patch Set: Fix library tags Created 5 years, 10 months ago
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Index: lib/src/throws_matcher.dart
diff --git a/lib/src/throws_matcher.dart b/lib/src/throws_matcher.dart
deleted file mode 100644
index 6807e6d248379ded62e7c6cc6fbef9a04db93ad2..0000000000000000000000000000000000000000
--- a/lib/src/throws_matcher.dart
+++ /dev/null
@@ -1,112 +0,0 @@
-// Copyright (c) 2014, 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.
-
-library unittest.throws_matcher;
-
-import 'dart:async';
-
-import 'package:matcher/matcher.dart' hide fail, expect;
-
-import 'expect.dart';
-import 'invoker.dart';
-import 'utils.dart';
-
-/// This can be used to match two kinds of objects:
-///
-/// * A [Function] that throws an exception when called. The function cannot
-/// take any arguments. If you want to test that a function expecting
-/// arguments throws, wrap it in another zero-argument function that calls
-/// the one you want to test.
-///
-/// * A [Future] that completes with an exception. Note that this creates an
-/// asynchronous expectation. The call to `expect()` that includes this will
-/// return immediately and execution will continue. Later, when the future
-/// completes, the actual expectation will run.
-const Matcher throws = const Throws();
-
-/// This can be used to match two kinds of objects:
-///
-/// * A [Function] that throws an exception when called. The function cannot
-/// take any arguments. If you want to test that a function expecting
-/// arguments throws, wrap it in another zero-argument function that calls
-/// the one you want to test.
-///
-/// * A [Future] that completes with an exception. Note that this creates an
-/// asynchronous expectation. The call to `expect()` that includes this will
-/// return immediately and execution will continue. Later, when the future
-/// completes, the actual expectation will run.
-///
-/// In both cases, when an exception is thrown, this will test that the
-/// exception object matches [matcher]. If [matcher] is not an instance of
-/// [Matcher], it will implicitly be treated as `equals(matcher)`.
-Matcher throwsA(matcher) => new Throws(wrapMatcher(matcher));
-
-class Throws extends Matcher {
- final Matcher _matcher;
-
- const Throws([Matcher matcher]) : this._matcher = matcher;
-
- bool matches(item, Map matchState) {
- if (item is! Function && item is! Future) return false;
- if (item is Future) {
- Invoker.current.addOutstandingCallback();
- // Queue up an asynchronous expectation that validates when the future
- // completes.
- item.then((value) {
- fail("Expected future to fail, but succeeded with '$value'.");
- }, onError: (error, trace) {
- if (_matcher == null) return;
-
- var reason;
- if (trace != null) {
- var stackTrace = terseChain(trace).toString();
- stackTrace = " ${stackTrace.replaceAll("\n", "\n ")}";
- reason = "Actual exception trace:\n$stackTrace";
- }
-
- // Re-run [expect] to get the proper formatting.
- expect(() => throw error, this, reason: reason);
- }).then((_) => Invoker.current.removeOutstandingCallback());
- // It hasn't failed yet.
- return true;
- }
-
- try {
- item();
- return false;
- } catch (e, s) {
- if (_matcher == null || _matcher.matches(e, matchState)) {
- return true;
- } else {
- addStateInfo(matchState, {'exception': e, 'stack': s});
- return false;
- }
- }
- }
-
- Description describe(Description description) {
- if (_matcher == null) {
- return description.add("throws");
- } else {
- return description.add('throws ').addDescriptionOf(_matcher);
- }
- }
-
- Description describeMismatch(
- item, Description mismatchDescription, Map matchState, bool verbose) {
- if (item is! Function && item is! Future) {
- return mismatchDescription.add('is not a Function or Future');
- } else if (_matcher == null || matchState['exception'] == null) {
- return mismatchDescription.add('did not throw');
- } else {
- mismatchDescription
- .add('threw ')
- .addDescriptionOf(matchState['exception']);
- if (verbose) {
- mismatchDescription.add(' at ').add(matchState['stack'].toString());
- }
- return mismatchDescription;
- }
- }
-}
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