2015-02-23 12:40:54 +00:00
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// Copyright (c) 2015, 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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2020-03-21 16:12:36 +00:00
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// @dart = 2.7
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2015-02-23 12:40:54 +00:00
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import "dart:async";
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import "package:expect/expect.dart";
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import "package:async_helper/async_helper.dart";
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class Tracer {
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final String expected;
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final String name;
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String _trace = "";
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Tracer(this.expected, [this.name]);
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void trace(msg) {
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if (name != null) {
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print("Tracing $name: $msg");
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}
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_trace += msg;
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}
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void done() {
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Expect.equals(expected, _trace);
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}
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}
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2018-06-29 19:33:20 +00:00
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Future test1(Tracer tracer) {
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2019-06-19 21:15:30 +00:00
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foo() async
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* //# asyncStar: ok
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2016-09-16 22:49:23 +00:00
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{
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2015-02-23 12:40:54 +00:00
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var savedStackTrace;
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try {
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try {
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tracer.trace("a");
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throw "Error";
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} catch (e, st) {
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tracer.trace("b");
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savedStackTrace = st;
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}
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tracer.trace("c");
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await new Future.error("Error 2", savedStackTrace);
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tracer.trace("d");
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} catch (e, st) {
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tracer.trace("e");
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Expect.equals(savedStackTrace.toString(), st.toString());
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}
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tracer.trace("f");
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}
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2016-09-16 22:49:23 +00:00
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2019-06-19 21:15:30 +00:00
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return foo()
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.toList() //# asyncStar: continued
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2016-09-16 22:49:23 +00:00
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;
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2015-02-23 12:40:54 +00:00
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}
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2018-06-29 19:33:20 +00:00
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Future test2(Tracer tracer) {
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2015-02-23 12:40:54 +00:00
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var savedStackTrace;
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2019-06-19 21:15:30 +00:00
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foo() async
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* //# asyncStar: continued
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2016-09-16 22:49:23 +00:00
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{
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2015-02-23 12:40:54 +00:00
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try {
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tracer.trace("a");
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throw "Error";
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} catch (e, st) {
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tracer.trace("b");
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savedStackTrace = st;
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}
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tracer.trace("c");
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await new Future.error("Error 2", savedStackTrace);
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tracer.trace("d");
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}
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2016-09-16 22:49:23 +00:00
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2019-06-19 21:15:30 +00:00
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return foo()
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.toList() //# asyncStar: continued
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2015-02-23 12:40:54 +00:00
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.catchError((e, st) {
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tracer.trace("e");
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Expect.equals(savedStackTrace.toString(), st.toString());
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});
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}
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2018-06-29 19:33:20 +00:00
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Future test3(Tracer tracer) {
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2015-02-23 12:40:54 +00:00
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var savedStackTrace;
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2019-06-19 21:15:30 +00:00
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foo() async
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* //# asyncStar: continued
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2016-09-16 22:49:23 +00:00
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{
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2015-02-23 12:40:54 +00:00
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try {
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tracer.trace("a");
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throw "Error";
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} catch (e, st) {
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tracer.trace("b");
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savedStackTrace = st;
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rethrow;
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}
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}
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2016-09-16 22:49:23 +00:00
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2019-06-19 21:15:30 +00:00
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return foo()
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.toList() //# asyncStar: continued
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2015-02-23 12:40:54 +00:00
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.catchError((e, st) {
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tracer.trace("c");
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Expect.equals(savedStackTrace.toString(), st.toString());
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});
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}
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runTest(String expectedTrace, Future test(Tracer tracer)) async {
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Tracer tracer = new Tracer(expectedTrace);
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await test(tracer);
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tracer.done();
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}
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runTests() async {
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await runTest("abcef", test1);
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await runTest("abce", test2);
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await runTest("abc", test3);
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}
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main() {
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asyncTest(runTests);
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2016-09-16 22:49:23 +00:00
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}
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