372 lines
14 KiB
C++
372 lines
14 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::Any_NONE;
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using MyGame::Example::CreateStat;
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using MyGame::Example::Vec3;
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bool verify(flatbuffers::grpc::Message<Monster> &msg,
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const std::string &expected_name, Color expected_color) {
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const Monster *monster = msg.GetRoot();
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const auto name = monster->name()->str();
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const auto color = monster->color();
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TEST_EQ(name, expected_name);
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TEST_EQ(color, expected_color);
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return (name == expected_name) && (color == expected_color);
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}
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bool release_n_verify(flatbuffers::grpc::MessageBuilder &mbb,
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const std::string &expected_name, Color expected_color) {
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flatbuffers::grpc::Message<Monster> msg = mbb.ReleaseMessage<Monster>();
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return verify(msg, expected_name, expected_color);
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}
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void builder_move_assign_after_releaseraw_test(
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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(
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TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_MESSAGE)) { return; }
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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)) { return; }
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// FIXME: Populate-Release loop fails assert(GRPC_SLICE_IS_EMPTY(slice_)) in
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// SliceAllocator::allocate 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)) { return; }
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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(
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TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_AND_MOVE_ASSIGN)) { return; }
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// FIXME: Release-move_assign loop fails assert(p ==
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// GRPC_SLICE_START_PTR(slice_)) in DetachedBuffer destructor after all the
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// 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(
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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(
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TestSelector selector) {
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if (!selector.count(REUSABLE_AFTER_RELEASE_RAW_AND_MOVE_ASSIGN)) { return; }
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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
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/// could.
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void populate_first_half(MyGame::Example::MonsterBuilder &wrapper,
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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
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/// 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
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/// the MonsterBuilder object. This function will break if fbb_ is not the first
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/// member in MonsterBuilder. In that case, some offset must be added. This
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/// function is used exclusively for testing correctness of move operations
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/// between FlatBufferBuilders. If MonsterBuilder had a fbb_ pointer, this hack
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/// would be unnecessary. That involves a code-generator change though.
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void test_only_hack_update_fbb_reference(
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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
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/// MessageBuilder DURING a table construction. Half of the table is constructed
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/// using FlatBufferBuilder and the other half of the table is constructed using
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/// 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(
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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
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/// 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 = 1; initial_size <= 2048; initial_size += 1) {
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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 =
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CreateMonster(mb, 0, 150, 100, mb.CreateString(m1_name()), 0, m1_color(),
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Any_NONE, 0, 0, 0, 0, 0, 0, stat_offset);
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mb.Finish(monster_offset);
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{
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auto mon = flatbuffers::GetRoot<Monster>(mb.GetBufferPointer());
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TEST_NOTNULL(mon);
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TEST_NOTNULL(mon->name());
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TEST_EQ_STR(mon->name()->c_str(), m1_name().c_str());
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TEST_EQ(mon->color(), m1_color());
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}
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TEST_EQ(1, MyGame::Example::Color_Red);
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TEST_EQ(1, m1_color());
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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
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/// MessageBuilder DURING a table construction. Half of the table is constructed
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/// using FlatBufferBuilder and the other half of the table is constructed using
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/// 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(
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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
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/// 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 =
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CreateMonster(mb, 0, 150, 100, mb.CreateString(m1_name()), 0, m1_color(),
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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
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/// 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
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/// 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::FlatBufferBuilder;
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using flatbuffers::grpc::MessageBuilder;
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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:
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// (GRPC_SLICE_IS_EMPTY(slice_))
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// REUSABLE_AFTER_RELEASE_AND_MOVE_ASSIGN, // Assertion failed: (p ==
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// GRPC_SLICE_START_PTR(slice_)
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REUSABLE_AFTER_RELEASE_RAW, 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(
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TestSelector(tests, tests + 6));
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BuilderReuseTests<MessageBuilder, FlatBufferBuilder>::run_tests(
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TestSelector(tests, tests + 6));
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}
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