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![Sigmund Cherem](/assets/img/avatar_default.png)
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>
177 lines
3.8 KiB
Dart
177 lines
3.8 KiB
Dart
// 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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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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Future<void> test1(Tracer tracer) {
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Future<void> foo() async {
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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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return foo();
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}
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Future<List<void>> test1star(Tracer tracer) {
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Stream<void> foo() async* {
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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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return foo().toList();
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}
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Future<void> test2(Tracer tracer) {
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var savedStackTrace;
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Future<void> foo() async {
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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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return foo().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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Future<List<void>> test2star(Tracer tracer) {
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var savedStackTrace;
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Stream<void> foo() async* {
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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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return foo().toList().catchError((e, st) {
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tracer.trace("e");
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Expect.equals(savedStackTrace.toString(), st.toString());
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return [];
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});
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}
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Future<void> test3(Tracer tracer) {
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var savedStackTrace;
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Future<void> foo() async {
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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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return foo().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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Future<List<void>> test3star(Tracer tracer) {
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var savedStackTrace;
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Stream<void> foo() async* {
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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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return foo().toList().catchError((e, st) {
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tracer.trace("c");
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Expect.equals(savedStackTrace.toString(), st.toString());
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return [];
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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("abcef", test1star);
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await runTest("abce", test2);
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await runTest("abce", test2star);
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await runTest("abc", test3);
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await runTest("abc", test3star);
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}
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main() {
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asyncTest(runTests);
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}
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