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#![allow(unused_imports)]
use {
    fidl::{
        encoding::{Context, Decode, Decoder, Encoder, with_tls_encode_buf, WireFormatVersion},
        handle::Handle, handle::HandleDisposition, handle::HandleInfo, handle::HandleOp,
        ObjectType, Rights,
    },
    fidl_test_benchmarkfidlresult as test_benchmarkfidlresult,
    fuchsia_async as fasync,
    fuchsia_criterion::criterion::{BatchSize, Bencher, black_box},
    futures::{future, stream::StreamExt},
    fuchsia_zircon as zx,
    gidl_util::{HandleDef, HandleSubtype, copy_handle, create_handles, select_handle_infos},
    std::mem::ManuallyDrop
};

// BENCHMARKS is aggregated by a generated benchmark_suite.rs file, which is ultimately
// used in benchmarks in src/tests/benchmarks/fidl/rust/src/main.rs.
pub const BENCHMARKS: [(&'static str, fn(&mut Bencher)); 6] = [
    ("Builder/ErrorSyntaxResult_Success", benchmark_error_syntax_result_success_builder),
    ("Encode/ErrorSyntaxResult_Success", benchmark_error_syntax_result_success_encode),
    ("Decode/ErrorSyntaxResult_Success", benchmark_error_syntax_result_success_decode),
    
    ("Builder/ErrorSyntaxResult_Failure", benchmark_error_syntax_result_failure_builder),
    ("Encode/ErrorSyntaxResult_Failure", benchmark_error_syntax_result_failure_encode),
    ("Decode/ErrorSyntaxResult_Failure", benchmark_error_syntax_result_failure_decode),
    
];

const _V2_CONTEXT: Context = Context { wire_format_version: WireFormatVersion::V2 };


fn benchmark_error_syntax_result_success_builder(b: &mut Bencher) {
    b.iter(
        || {
            black_box(test_benchmarkfidlresult::ErrorSyntaxResultStruct { result: test_benchmarkfidlresult::ErrorSyntaxResult::Response(test_benchmarkfidlresult::ErrorSyntaxResponse { ptrs: 1i64, payload_buffer_id: 2u32, payload_offset: 3u64, payload_size: 4u64, flags: 5u32, buffer_config: 6u64, stream_segment_id: 7u64 }) });
        },
    );
}

fn benchmark_error_syntax_result_success_encode(b: &mut Bencher) {
    b.iter_batched_ref(
        || {
            test_benchmarkfidlresult::ErrorSyntaxResultStruct { result: test_benchmarkfidlresult::ErrorSyntaxResult::Response(test_benchmarkfidlresult::ErrorSyntaxResponse { ptrs: 1i64, payload_buffer_id: 2u32, payload_offset: 3u64, payload_size: 4u64, flags: 5u32, buffer_config: 6u64, stream_segment_id: 7u64 }) }
        },
        |value| {
            with_tls_encode_buf(|bytes, handles| {
                Encoder::encode_with_context::<test_benchmarkfidlresult::ErrorSyntaxResultStruct>(_V2_CONTEXT, bytes, handles, &*value).unwrap();
            })
        },
        BatchSize::SmallInput,
    );
}

fn benchmark_error_syntax_result_success_decode(b: &mut Bencher) {
    b.iter_batched_ref(
        || {
            let mut bytes = Vec::<u8>::new();
            let mut handles = Vec::<HandleDisposition<'static>>::new();
            let original_value = &test_benchmarkfidlresult::ErrorSyntaxResultStruct { result: test_benchmarkfidlresult::ErrorSyntaxResult::Response(test_benchmarkfidlresult::ErrorSyntaxResponse { ptrs: 1i64, payload_buffer_id: 2u32, payload_offset: 3u64, payload_size: 4u64, flags: 5u32, buffer_config: 6u64, stream_segment_id: 7u64 }) };
            Encoder::encode_with_context::<test_benchmarkfidlresult::ErrorSyntaxResultStruct>(_V2_CONTEXT, &mut bytes, &mut handles, original_value).unwrap();
            let handle_infos = fidl::encoding::convert_handle_dispositions_to_infos(handles).unwrap();
            (bytes, handle_infos, ManuallyDrop::new(fidl::new_empty!(test_benchmarkfidlresult::ErrorSyntaxResultStruct)))
        },
        |(bytes, handle_infos, manually_drop_value)| {
            // Cast &mut ManuallyDrop<T> to &mut T.
            let value : &mut test_benchmarkfidlresult::ErrorSyntaxResultStruct = unsafe { std::mem::transmute(manually_drop_value as *mut _) };
            Decoder::decode_with_context::<test_benchmarkfidlresult::ErrorSyntaxResultStruct>(_V2_CONTEXT, bytes, handle_infos, value).unwrap();
            // Count the drop time in the benchmark.
            unsafe { ManuallyDrop::drop(manually_drop_value) };
        },
        BatchSize::SmallInput,
    );
}


fn benchmark_error_syntax_result_failure_builder(b: &mut Bencher) {
    b.iter(
        || {
            black_box(test_benchmarkfidlresult::ErrorSyntaxResultStruct { result: test_benchmarkfidlresult::ErrorSyntaxResult::Err(10u32) });
        },
    );
}

fn benchmark_error_syntax_result_failure_encode(b: &mut Bencher) {
    b.iter_batched_ref(
        || {
            test_benchmarkfidlresult::ErrorSyntaxResultStruct { result: test_benchmarkfidlresult::ErrorSyntaxResult::Err(10u32) }
        },
        |value| {
            with_tls_encode_buf(|bytes, handles| {
                Encoder::encode_with_context::<test_benchmarkfidlresult::ErrorSyntaxResultStruct>(_V2_CONTEXT, bytes, handles, &*value).unwrap();
            })
        },
        BatchSize::SmallInput,
    );
}

fn benchmark_error_syntax_result_failure_decode(b: &mut Bencher) {
    b.iter_batched_ref(
        || {
            let mut bytes = Vec::<u8>::new();
            let mut handles = Vec::<HandleDisposition<'static>>::new();
            let original_value = &test_benchmarkfidlresult::ErrorSyntaxResultStruct { result: test_benchmarkfidlresult::ErrorSyntaxResult::Err(10u32) };
            Encoder::encode_with_context::<test_benchmarkfidlresult::ErrorSyntaxResultStruct>(_V2_CONTEXT, &mut bytes, &mut handles, original_value).unwrap();
            let handle_infos = fidl::encoding::convert_handle_dispositions_to_infos(handles).unwrap();
            (bytes, handle_infos, ManuallyDrop::new(fidl::new_empty!(test_benchmarkfidlresult::ErrorSyntaxResultStruct)))
        },
        |(bytes, handle_infos, manually_drop_value)| {
            // Cast &mut ManuallyDrop<T> to &mut T.
            let value : &mut test_benchmarkfidlresult::ErrorSyntaxResultStruct = unsafe { std::mem::transmute(manually_drop_value as *mut _) };
            Decoder::decode_with_context::<test_benchmarkfidlresult::ErrorSyntaxResultStruct>(_V2_CONTEXT, bytes, handle_infos, value).unwrap();
            // Count the drop time in the benchmark.
            unsafe { ManuallyDrop::drop(manually_drop_value) };
        },
        BatchSize::SmallInput,
    );
}