aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/google/protobuf/compiler/objectivec/objectivec_helpers.cc9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
index fda51807..196b39dd 100644
--- a/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
+++ b/src/google/protobuf/compiler/objectivec/objectivec_helpers.cc
@@ -757,10 +757,11 @@ bool HasNonZeroDefaultValue(const FieldDescriptor* field) {
return false;
}
- if (!field->has_default_value()) {
- // No custom default set in the proto file.
- return false;
- }
+ // As much as checking field->has_default_value() seems useful, it isn't
+ // because of enums. proto2 syntax allows the first item in an enum (the
+ // default) to be non zero. So checking field->has_default_value() would
+ // result in missing this non zero default. See MessageWithOneBasedEnum in
+ // objectivec/Tests/unittest_objc.proto for a test Message to confirm this.
// Some proto file set the default to the zero value, so make sure the value
// isn't the zero case.