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More clearExtension tests: #1064

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Merged
merged 1 commit into from
Oct 21, 2025
Merged

More clearExtension tests: #1064

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25 changes: 25 additions & 0 deletions protoc_plugin/test/extension_test.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,31 @@ void main() {
expect(message.hasExtension(Unittest.optionalInt32Extension), isFalse);
});

test(
'clearing extension throws when the message is frozen, without extension field set',
() {
final message = TestAllExtensions()..freeze();
expect(
() => message.clearExtension(Unittest.optionalInt32Extension),
throwsA(TypeMatcher<UnsupportedError>()),
);
},
);

test(
'clearing extension throws when the message is frozen, with extension field set',
() {
final message =
TestAllExtensions()
..setExtension(Unittest.optionalInt32Extension, 1)
..freeze();
expect(
() => message.clearExtension(Unittest.optionalInt32Extension),
throwsA(TypeMatcher<UnsupportedError>()),
);
},
);

test('can clear a repeated extension', () {
final message = TestAllExtensions();
message.addExtension(Unittest.repeatedInt32Extension, 1);
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