341 lines
13 KiB
C++
341 lines
13 KiB
C++
#include "flatbuffers/grpc.h"
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#include "monster_test_generated.h"
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#include "test_assert.h"
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#include "test_builder.h"
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using MyGame::Example::Vec3;
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using MyGame::Example::CreateStat;
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using MyGame::Example::Any_NONE;
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bool verify(flatbuffers::grpc::Message<Monster> &msg, const std::string &expected_name, Color color) {
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const Monster *monster = msg.GetRoot();
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return (monster->name()->str() == expected_name) && (monster->color() == color);
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}
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bool release_n_verify(flatbuffers::grpc::MessageBuilder &mbb, const std::string &expected_name, Color color) {
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flatbuffers::grpc::Message<Monster> msg = mbb.ReleaseMessage<Monster>();
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const Monster *monster = msg.GetRoot();
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return (monster->name()->str() == expected_name) && (monster->color() == color);
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}
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void builder_move_assign_after_releaseraw_test(flatbuffers::grpc::MessageBuilder dst) {
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auto root_offset1 = populate1(dst);
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dst.Finish(root_offset1);
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size_t size, offset;
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grpc_slice slice;
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dst.ReleaseRaw(size, offset, slice);
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flatbuffers::FlatBufferBuilder src;
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auto root_offset2 = populate2(src);
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src.Finish(root_offset2);
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auto src_size = src.GetSize();
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// Move into a released builder.
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dst = std::move(src);
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TEST_EQ(dst.GetSize(), src_size);
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TEST_ASSERT(release_n_verify(dst, m2_name, m2_color));
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TEST_EQ(src.GetSize(), 0);
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grpc_slice_unref(slice);
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}
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template <class SrcBuilder>
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struct BuilderReuseTests<flatbuffers::grpc::MessageBuilder, SrcBuilder> {
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static void builder_reusable_after_release_message_test(TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_MESSAGE)) {
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return;
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}
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flatbuffers::grpc::MessageBuilder mb;
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std::vector<flatbuffers::grpc::Message<Monster>> buffers;
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for (int i = 0; i < 5; ++i) {
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auto root_offset1 = populate1(mb);
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mb.Finish(root_offset1);
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buffers.push_back(mb.ReleaseMessage<Monster>());
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TEST_ASSERT_FUNC(verify(buffers[i], m1_name, m1_color));
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}
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}
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static void builder_reusable_after_release_test(TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE)) {
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return;
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}
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// FIXME: Populate-Release loop fails assert(GRPC_SLICE_IS_EMPTY(slice_)) in SliceAllocator::allocate
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// in the second iteration.
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flatbuffers::grpc::MessageBuilder mb;
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std::vector<flatbuffers::DetachedBuffer> buffers;
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for (int i = 0; i < 2; ++i) {
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auto root_offset1 = populate1(mb);
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mb.Finish(root_offset1);
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buffers.push_back(mb.Release());
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TEST_ASSERT_FUNC(verify(buffers[i], m1_name, m1_color));
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}
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}
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static void builder_reusable_after_releaseraw_test(TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_RAW)) {
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return;
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}
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flatbuffers::grpc::MessageBuilder mb;
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for (int i = 0; i < 5; ++i) {
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auto root_offset1 = populate1(mb);
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mb.Finish(root_offset1);
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size_t size, offset;
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grpc_slice slice;
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const uint8_t *buf = mb.ReleaseRaw(size, offset, slice);
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TEST_ASSERT_FUNC(verify(buf, offset, m1_name, m1_color));
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grpc_slice_unref(slice);
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}
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}
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static void builder_reusable_after_release_and_move_assign_test(TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_AND_MOVE_ASSIGN)) {
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return;
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}
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// FIXME: Release-move_assign loop fails assert(p == GRPC_SLICE_START_PTR(slice_))
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// in DetachedBuffer destructor after all the iterations
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flatbuffers::grpc::MessageBuilder dst;
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std::vector<flatbuffers::DetachedBuffer> buffers;
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for (int i = 0; i < 2; ++i) {
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auto root_offset1 = populate1(dst);
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dst.Finish(root_offset1);
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buffers.push_back(dst.Release());
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TEST_ASSERT_FUNC(verify(buffers[i], m1_name, m1_color));
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// bring dst back to life.
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SrcBuilder src;
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dst = std::move(src);
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TEST_EQ_FUNC(dst.GetSize(), 0);
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TEST_EQ_FUNC(src.GetSize(), 0);
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}
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}
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static void builder_reusable_after_release_message_and_move_assign_test(TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_MESSAGE_AND_MOVE_ASSIGN)) {
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return;
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}
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flatbuffers::grpc::MessageBuilder dst;
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std::vector<flatbuffers::grpc::Message<Monster>> buffers;
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for (int i = 0; i < 5; ++i) {
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auto root_offset1 = populate1(dst);
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dst.Finish(root_offset1);
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buffers.push_back(dst.ReleaseMessage<Monster>());
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TEST_ASSERT_FUNC(verify(buffers[i], m1_name, m1_color));
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// bring dst back to life.
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SrcBuilder src;
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dst = std::move(src);
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TEST_EQ_FUNC(dst.GetSize(), 0);
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TEST_EQ_FUNC(src.GetSize(), 0);
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}
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}
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static void builder_reusable_after_releaseraw_and_move_assign_test(TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_RAW_AND_MOVE_ASSIGN)) {
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return;
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}
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flatbuffers::grpc::MessageBuilder dst;
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for (int i = 0; i < 5; ++i) {
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auto root_offset1 = populate1(dst);
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dst.Finish(root_offset1);
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size_t size, offset;
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grpc_slice slice = grpc_empty_slice();
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const uint8_t *buf = dst.ReleaseRaw(size, offset, slice);
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TEST_ASSERT_FUNC(verify(buf, offset, m1_name, m1_color));
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grpc_slice_unref(slice);
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SrcBuilder src;
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dst = std::move(src);
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TEST_EQ_FUNC(dst.GetSize(), 0);
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TEST_EQ_FUNC(src.GetSize(), 0);
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}
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}
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static void run_tests(TestSelector selector) {
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builder_reusable_after_release_test(selector);
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builder_reusable_after_release_message_test(selector);
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builder_reusable_after_releaseraw_test(selector);
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builder_reusable_after_release_and_move_assign_test(selector);
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builder_reusable_after_releaseraw_and_move_assign_test(selector);
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builder_reusable_after_release_message_and_move_assign_test(selector);
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}
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};
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void slice_allocator_tests() {
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// move-construct no-delete test
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{
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size_t size = 2048;
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flatbuffers::grpc::SliceAllocator sa1;
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uint8_t *buf = sa1.allocate(size);
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TEST_ASSERT_FUNC(buf != 0);
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buf[0] = 100;
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buf[size-1] = 200;
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flatbuffers::grpc::SliceAllocator sa2(std::move(sa1));
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// buf should not be deleted after move-construct
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TEST_EQ_FUNC(buf[0], 100);
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TEST_EQ_FUNC(buf[size-1], 200);
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// buf is freed here
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}
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// move-assign test
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{
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flatbuffers::grpc::SliceAllocator sa1, sa2;
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uint8_t *buf = sa1.allocate(2048);
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sa1 = std::move(sa2);
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// sa1 deletes previously allocated memory in move-assign.
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// So buf is no longer usable here.
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TEST_ASSERT_FUNC(buf != 0);
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}
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}
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/// This function does not populate exactly the first half of the table. But it could.
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void populate_first_half(MyGame::Example::MonsterBuilder &wrapper, flatbuffers::Offset<flatbuffers::String> name_offset) {
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wrapper.add_name(name_offset);
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wrapper.add_color(m1_color);
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}
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/// This function does not populate exactly the second half of the table. But it could.
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void populate_second_half(MyGame::Example::MonsterBuilder &wrapper) {
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wrapper.add_hp(77);
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wrapper.add_mana(88);
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Vec3 vec3;
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wrapper.add_pos(&vec3);
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}
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/// This function is a hack to update the FlatBufferBuilder reference (fbb_) in the MonsterBuilder object.
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/// This function will break if fbb_ is not the first member in MonsterBuilder. In that case, some offset must be added.
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/// This function is used exclusively for testing correctness of move operations between FlatBufferBuilders.
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/// If MonsterBuilder had a fbb_ pointer, this hack would be unnecessary. That involves a code-generator change though.
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void test_only_hack_update_fbb_reference(MyGame::Example::MonsterBuilder &monsterBuilder,
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flatbuffers::grpc::MessageBuilder &mb) {
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*reinterpret_cast<flatbuffers::FlatBufferBuilder **>(&monsterBuilder) = &mb;
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}
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/// This test validates correctness of move conversion of FlatBufferBuilder to a MessageBuilder DURING
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/// a table construction. Half of the table is constructed using FlatBufferBuilder and the other half
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/// of the table is constructed using a MessageBuilder.
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void builder_move_ctor_conversion_before_finish_half_n_half_table_test() {
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for (size_t initial_size = 4 ; initial_size <= 2048; initial_size *= 2) {
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flatbuffers::FlatBufferBuilder fbb(initial_size);
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auto name_offset = fbb.CreateString(m1_name);
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MyGame::Example::MonsterBuilder monsterBuilder(fbb); // starts a table in FlatBufferBuilder
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populate_first_half(monsterBuilder, name_offset);
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flatbuffers::grpc::MessageBuilder mb(std::move(fbb));
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test_only_hack_update_fbb_reference(monsterBuilder, mb); // hack
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populate_second_half(monsterBuilder);
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mb.Finish(monsterBuilder.Finish()); // ends the table in MessageBuilder
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TEST_ASSERT_FUNC(release_n_verify(mb, m1_name, m1_color));
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TEST_EQ_FUNC(fbb.GetSize(), 0);
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}
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}
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/// This test populates a COMPLETE inner table before move conversion and later populates more members in the outer table.
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void builder_move_ctor_conversion_before_finish_test() {
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for (size_t initial_size = 4 ; initial_size <= 2048; initial_size *= 2) {
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flatbuffers::FlatBufferBuilder fbb(initial_size);
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auto stat_offset = CreateStat(fbb, fbb.CreateString("SomeId"), 0, 0);
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flatbuffers::grpc::MessageBuilder mb(std::move(fbb));
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auto monster_offset = CreateMonster(mb, 0, 150, 100, mb.CreateString(m1_name), 0, m1_color, Any_NONE, 0, 0, 0, 0, 0, 0, stat_offset);
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mb.Finish(monster_offset);
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TEST_ASSERT_FUNC(release_n_verify(mb, m1_name, m1_color));
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TEST_EQ_FUNC(fbb.GetSize(), 0);
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}
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}
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/// This test validates correctness of move conversion of FlatBufferBuilder to a MessageBuilder DURING
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/// a table construction. Half of the table is constructed using FlatBufferBuilder and the other half
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/// of the table is constructed using a MessageBuilder.
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void builder_move_assign_conversion_before_finish_half_n_half_table_test() {
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flatbuffers::FlatBufferBuilder fbb;
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flatbuffers::grpc::MessageBuilder mb;
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for (int i = 0;i < 5; ++i) {
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flatbuffers::FlatBufferBuilder fbb;
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auto name_offset = fbb.CreateString(m1_name);
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MyGame::Example::MonsterBuilder monsterBuilder(fbb); // starts a table in FlatBufferBuilder
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populate_first_half(monsterBuilder, name_offset);
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mb = std::move(fbb);
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test_only_hack_update_fbb_reference(monsterBuilder, mb); // hack
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populate_second_half(monsterBuilder);
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mb.Finish(monsterBuilder.Finish()); // ends the table in MessageBuilder
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TEST_ASSERT_FUNC(release_n_verify(mb, m1_name, m1_color));
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TEST_EQ_FUNC(fbb.GetSize(), 0);
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}
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}
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/// This test populates a COMPLETE inner table before move conversion and later populates more members in the outer table.
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void builder_move_assign_conversion_before_finish_test() {
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flatbuffers::FlatBufferBuilder fbb;
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flatbuffers::grpc::MessageBuilder mb;
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for (int i = 0;i < 5; ++i) {
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auto stat_offset = CreateStat(fbb, fbb.CreateString("SomeId"), 0, 0);
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mb = std::move(fbb);
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auto monster_offset = CreateMonster(mb, 0, 150, 100, mb.CreateString(m1_name), 0, m1_color, Any_NONE, 0, 0, 0, 0, 0, 0, stat_offset);
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mb.Finish(monster_offset);
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TEST_ASSERT_FUNC(release_n_verify(mb, m1_name, m1_color));
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TEST_EQ_FUNC(fbb.GetSize(), 0);
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}
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}
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/// This test populates data, finishes the buffer, and does move conversion after.
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void builder_move_ctor_conversion_after_finish_test() {
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flatbuffers::FlatBufferBuilder fbb;
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fbb.Finish(populate1(fbb));
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flatbuffers::grpc::MessageBuilder mb(std::move(fbb));
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TEST_ASSERT_FUNC(release_n_verify(mb, m1_name, m1_color));
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TEST_EQ_FUNC(fbb.GetSize(), 0);
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}
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/// This test populates data, finishes the buffer, and does move conversion after.
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void builder_move_assign_conversion_after_finish_test() {
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flatbuffers::FlatBufferBuilder fbb;
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flatbuffers::grpc::MessageBuilder mb;
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for (int i = 0;i < 5; ++i) {
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fbb.Finish(populate1(fbb));
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mb = std::move(fbb);
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TEST_ASSERT_FUNC(release_n_verify(mb, m1_name, m1_color));
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TEST_EQ_FUNC(fbb.GetSize(), 0);
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}
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}
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void message_builder_tests() {
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using flatbuffers::grpc::MessageBuilder;
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using flatbuffers::FlatBufferBuilder;
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slice_allocator_tests();
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#ifndef __APPLE__
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builder_move_ctor_conversion_before_finish_half_n_half_table_test();
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builder_move_assign_conversion_before_finish_half_n_half_table_test();
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#endif // __APPLE__
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builder_move_ctor_conversion_before_finish_test();
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builder_move_assign_conversion_before_finish_test();
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builder_move_ctor_conversion_after_finish_test();
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builder_move_assign_conversion_after_finish_test();
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BuilderTests<MessageBuilder, MessageBuilder>::all_tests();
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BuilderTests<MessageBuilder, FlatBufferBuilder>::all_tests();
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BuilderReuseTestSelector tests[6] = {
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//REUSABLE_AFTER_RELEASE, // Assertion failed: (GRPC_SLICE_IS_EMPTY(slice_))
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//REUSABLE_AFTER_RELEASE_AND_MOVE_ASSIGN, // Assertion failed: (p == GRPC_SLICE_START_PTR(slice_)
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REUSABLE_AFTER_RELEASE_RAW,
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REUSABLE_AFTER_RELEASE_MESSAGE,
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REUSABLE_AFTER_RELEASE_MESSAGE_AND_MOVE_ASSIGN,
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REUSABLE_AFTER_RELEASE_RAW_AND_MOVE_ASSIGN
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};
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BuilderReuseTests<MessageBuilder, MessageBuilder>::run_tests(TestSelector(tests, tests+6));
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BuilderReuseTests<MessageBuilder, FlatBufferBuilder>::run_tests(TestSelector(tests, tests+6));
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}
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