blob: 74a85fdf22b0eb5cbdb1fe319e1063c457c7e6b3 [file] [log] [blame]
// Copyright (c) 2015, 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.
import "dart:async";
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
class Tracer {
final String expected;
final String? name;
String _trace = "";
Tracer(this.expected, [this.name]);
void trace(msg) {
if (name != null) {
print("Tracing $name: $msg");
}
_trace += msg;
}
void done() {
Expect.equals(expected, _trace);
}
}
Future<void> test1(Tracer tracer) {
Future<void> foo() async {
var savedStackTrace;
try {
try {
tracer.trace("a");
throw "Error";
} catch (e, st) {
tracer.trace("b");
savedStackTrace = st;
}
tracer.trace("c");
await new Future.error("Error 2", savedStackTrace);
tracer.trace("d");
} catch (e, st) {
tracer.trace("e");
Expect.equals(savedStackTrace.toString(), st.toString());
}
tracer.trace("f");
}
return foo();
}
Future<List<void>> test1star(Tracer tracer) {
Stream<void> foo() async* {
var savedStackTrace;
try {
try {
tracer.trace("a");
throw "Error";
} catch (e, st) {
tracer.trace("b");
savedStackTrace = st;
}
tracer.trace("c");
await new Future.error("Error 2", savedStackTrace);
tracer.trace("d");
} catch (e, st) {
tracer.trace("e");
Expect.equals(savedStackTrace.toString(), st.toString());
}
tracer.trace("f");
}
return foo().toList();
}
Future<void> test2(Tracer tracer) {
var savedStackTrace;
Future<void> foo() async {
try {
tracer.trace("a");
throw "Error";
} catch (e, st) {
tracer.trace("b");
savedStackTrace = st;
}
tracer.trace("c");
await new Future.error("Error 2", savedStackTrace);
tracer.trace("d");
}
return foo().catchError((e, st) {
tracer.trace("e");
Expect.equals(savedStackTrace.toString(), st.toString());
});
}
Future<List<void>> test2star(Tracer tracer) {
var savedStackTrace;
Stream<void> foo() async* {
try {
tracer.trace("a");
throw "Error";
} catch (e, st) {
tracer.trace("b");
savedStackTrace = st;
}
tracer.trace("c");
await new Future.error("Error 2", savedStackTrace);
tracer.trace("d");
}
return foo().toList().catchError((e, st) {
tracer.trace("e");
Expect.equals(savedStackTrace.toString(), st.toString());
return [];
});
}
Future<void> test3(Tracer tracer) {
var savedStackTrace;
Future<void> foo() async {
try {
tracer.trace("a");
throw "Error";
} catch (e, st) {
tracer.trace("b");
savedStackTrace = st;
rethrow;
}
}
return foo().catchError((e, st) {
tracer.trace("c");
Expect.equals(savedStackTrace.toString(), st.toString());
});
}
Future<List<void>> test3star(Tracer tracer) {
var savedStackTrace;
Stream<void> foo() async* {
try {
tracer.trace("a");
throw "Error";
} catch (e, st) {
tracer.trace("b");
savedStackTrace = st;
rethrow;
}
}
return foo().toList().catchError((e, st) {
tracer.trace("c");
Expect.equals(savedStackTrace.toString(), st.toString());
return [];
});
}
runTest(String expectedTrace, Future test(Tracer tracer)) async {
Tracer tracer = new Tracer(expectedTrace);
await test(tracer);
tracer.done();
}
runTests() async {
await runTest("abcef", test1);
await runTest("abcef", test1star);
await runTest("abce", test2);
await runTest("abce", test2star);
await runTest("abc", test3);
await runTest("abc", test3star);
}
main() {
asyncTest(runTests);
}