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CreateUnitializedVectorOfStructs and tests (#4781)

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* CreateUnitializedVectorOfStructs and tests

* Incorporating review comments

* snake_case variable names
This commit is contained in:
Shivendra Agarwal
2018-06-18 22:42:26 +05:30
committed by Wouter van Oortmerssen
parent 7330436713
commit bb321fbe19
3 changed files with 35 additions and 0 deletions
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29
tests/test.cpp
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@@ -1950,6 +1950,34 @@ void EndianSwapTest() {
TEST_EQ(flatbuffers::EndianSwap(flatbuffers::EndianSwap(3.14f)), 3.14f);
}
void UninitializedVectorTest() {
flatbuffers::FlatBufferBuilder builder;
Test *buf = nullptr;
auto vector_offset = builder.CreateUninitializedVectorOfStructs<Test>(2, &buf);
TEST_NOTNULL(buf);
buf[0] = Test(10, 20);
buf[1] = Test(30, 40);
auto required_name = builder.CreateString("myMonster");
auto monster_builder = MonsterBuilder(builder);
monster_builder.add_name(required_name); // required field mandated for monster.
monster_builder.add_test4(vector_offset);
builder.Finish(monster_builder.Finish());
auto p = builder.GetBufferPointer();
auto uvt = flatbuffers::GetRoot<Monster>(p);
TEST_NOTNULL(uvt);
auto vec = uvt->test4();
TEST_NOTNULL(vec);
auto test_0 = vec->Get(0);
auto test_1 = vec->Get(1);
TEST_EQ(test_0->a(), 10);
TEST_EQ(test_0->b(), 20);
TEST_EQ(test_1->a(), 30);
TEST_EQ(test_1->b(), 40);
}
int main(int /*argc*/, const char * /*argv*/ []) {
// clang-format off
#if defined(FLATBUFFERS_MEMORY_LEAK_TRACKING) && \
@@ -2020,6 +2048,7 @@ int main(int /*argc*/, const char * /*argv*/ []) {
JsonDefaultTest();
FlexBuffersTest();
UninitializedVectorTest();
if (!testing_fails) {
TEST_OUTPUT_LINE("ALL TESTS PASSED");