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Hide debug logs from a MemoryAllocations test that intentionally throws an exception (#113786)

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Jason Simmons 2022-10-25 12:53:54 -07:00 committed by GitHub
parent 92d8b04bac
commit ae143ad8d1
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 23 additions and 1 deletions
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24
packages/flutter/test/foundation/memory_allocations_test.dart
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@ -7,9 +7,29 @@ import 'dart:ui';
import 'package:flutter/foundation.dart';
import 'package:flutter_test/flutter_test.dart';
class PrintOverrideTestBinding extends AutomatedTestWidgetsFlutterBinding {
@override
DebugPrintCallback get debugPrintOverride => _enablePrint ? debugPrint : _emptyPrint;
static void _emptyPrint(String? message, { int? wrapWidth }) {}
static bool _enablePrint = true;
static void runWithDebugPrintDisabled(void Function() f) {
try {
_enablePrint = false;
f();
} finally {
_enablePrint = true;
}
}
}
void main() {
final MemoryAllocations ma = MemoryAllocations.instance;
PrintOverrideTestBinding();
setUp(() {
assert(!ma.hasListeners);
_checkSdkHandlersNotSet();
@ -56,7 +76,9 @@ void main() {
ma.addListener(badListener2);
ma.addListener(listener2);
ma.dispatchObjectEvent(event);
PrintOverrideTestBinding.runWithDebugPrintDisabled(
() => ma.dispatchObjectEvent(event)
);
expect(log, <String>['badListener1', 'listener1', 'badListener2','listener2']);
expect(tester.takeException(), contains('Multiple exceptions (2)'));