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Added helper methods to access struct through reflection. (#4120)

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* Added helper methods to access struct through reflection. Also added unit test for it.

* Added a TODO comment to check for the is_struct flag.
This commit is contained in:
Zarian Waheed
2016-12-21 17:48:21 -08:00
committed by Wouter van Oortmerssen
parent b9efbf6a3d
commit 84033ae035
2 changed files with 30 additions and 0 deletions
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14
tests/test.cpp
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@@ -511,6 +511,20 @@ void ReflectionTest(uint8_t *flatbuf, size_t length) {
auto hp_string = flatbuffers::GetAnyFieldS(root, hp_field, &schema);
TEST_EQ_STR(hp_string.c_str(), "80");
// Get struct field through reflection
auto pos_struct = flatbuffers::GetFieldStruct(root, *pos_field_ptr);
TEST_NOTNULL(pos_struct);
TEST_EQ(flatbuffers::GetAnyFieldF(
*pos_struct, *pos_table_ptr->fields()->LookupByKey("z")), 3.0f);
auto test3_field = pos_table_ptr->fields()->LookupByKey("test3");
auto test3_struct = flatbuffers::GetFieldStruct(*pos_struct, *test3_field);
TEST_NOTNULL(test3_struct);
auto test3_object = schema.objects()->Get(test3_field->type()->index());
TEST_EQ(flatbuffers::GetAnyFieldF(
*test3_struct, *test3_object->fields()->LookupByKey("a")), 10);
// We can also modify it.
flatbuffers::SetField<uint16_t>(&root, hp_field, 200);
hp = flatbuffers::GetFieldI<uint16_t>(root, hp_field);