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Wait for isolate start before proceeding with expression evaluation tests (#42464)

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Fixes https://github.com/flutter/flutter/issues/42359
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Jason Simmons 2019-10-11 11:04:39 -07:00 committed by GitHub
parent 0aafdfa55a
commit db9a035e7c
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1 changed files with 9 additions and 1 deletions
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10
packages/flutter_tools/test/integration.shard/test_driver.dart
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@ -127,8 +127,12 @@ abstract class FlutterTestDriver {
_vmService = await vmServiceConnectUri('$_vmServiceWsUri');
_vmService.onSend.listen((String s) => _debugPrint(s, topic: '=vm=>'));
_vmService.onReceive.listen((String s) => _debugPrint(s, topic: '<=vm='));
final Completer<void> isolateStarted = Completer<void>();
_vmService.onIsolateEvent.listen((Event event) {
if (event.kind == EventKind.kIsolateExit && event.isolate.id == _flutterIsolateId) {
if (event.kind == EventKind.kIsolateStart) {
isolateStarted.complete();
} else if (event.kind == EventKind.kIsolateExit && event.isolate.id == _flutterIsolateId) {
// Hot restarts cause all the isolates to exit, so we need to refresh
// our idea of what the Flutter isolate ID is.
_flutterIsolateId = null;
@ -140,6 +144,10 @@ abstract class FlutterTestDriver {
_vmService.streamListen('Debug'),
]);
if ((await _vmService.getVM()).isolates.isEmpty) {
await isolateStarted.future;
}
await waitForPause();
if (pauseOnExceptions) {
await _vmService.setExceptionPauseMode(