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Always dump (unwanted) exceptions during tests (#3344)

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...even if the test fails.
This commit is contained in:
Ian Hickson 2016-04-15 09:38:04 -07:00
parent 0e9737e4cc
commit 0f1dee5f46
1 changed files with 6 additions and 4 deletions
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10
packages/flutter_test/lib/src/element_tree_tester.dart
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@ -169,8 +169,8 @@ class ElementTreeTester extends Instrumentation {
void testElementTree(callback(ElementTreeTester tester)) {
new FakeAsync().run((FakeAsync async) {
FlutterExceptionHandler oldHandler = FlutterError.onError;
ElementTreeTester tester = new ElementTreeTester._(async);
try {
ElementTreeTester tester = new ElementTreeTester._(async);
FlutterError.onError = (FlutterErrorDetails details) {
if (tester._pendingException != null) {
FlutterError.dumpErrorToConsole(tester._pendingException);
@ -196,12 +196,14 @@ void testElementTree(callback(ElementTreeTester tester)) {
return async.nonPeriodicTimerCount == 0;
});
assert(async.microtaskCount == 0); // Shouldn't be possible.
if (tester._pendingException != null) {
FlutterError.dumpErrorToConsole(tester._pendingException);
if (tester._pendingException != null)
throw 'An exception (shown above) was thrown during the test.';
}
} finally {
FlutterError.onError = oldHandler;
if (tester._pendingException != null) {
FlutterError.dumpErrorToConsole(tester._pendingException);
tester._pendingException = null;
}
}
});
}