Files
project_6/cccl_upstream/cudax/test/execution/test_just.cu
muh-bot dedf08166a [CCCL] Add missing CCCL components: c2h, nvbench_helper, cmake, cudax, AGENTS.md
Added 863 files from NVIDIA/cccl sparse checkout:
- c2h/ (27 files): Catch2 test helpers — generators, validators, runner
- nvbench_helper/ (10 files): Benchmark harness utilities
- cmake/ (29 files): CMake presets and build helpers
- cudax/ (794 files): Experimental CUDA extensions
- AGENTS.md: NVIDIA's official AI agent instructions for CCCL
- CMakePresets.json: Standardized build configurations
- cccl-version.json: Version tracking

Also added CCCL_ASSET_MAP.md mapping all 4295 CCCL files to
competition value and PRD items.

cccl_upstream now covers 100% of competition-critical assets:
- 27 tuning headers (SM80/90/100 benchmark data)
- 32 dispatch headers (algorithm implementations)
- 60 Thrust examples (correctness verification)
- 217 CUB Catch2 tests (regression matrix)
- 153 CUB benchmarks (parameter space search)
- 18 CUB examples (API verification)
- 27 test helpers + benchmark harness
- 794 cudax experimental extensions
2026-08-06 02:14:18 +00:00

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//===----------------------------------------------------------------------===//
//
// Part of CUDA Experimental in CUDA C++ Core Libraries,
// under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES.
//
//===----------------------------------------------------------------------===//
#include <cuda/experimental/execution.cuh>
#include <system_error>
#include "common/checked_receiver.cuh"
#include "common/dummy_scheduler.cuh"
#if _CCCL_COMPILER(GCC, <, 12)
// suppress buggy warning on older gcc versions
_CCCL_DIAG_SUPPRESS_GCC("-Wmissing-field-initializers")
#endif
namespace ex = cuda::experimental::execution;
namespace
{
struct test_domain
{};
C2H_TEST("simple test of just sender factory", "[just]")
{
auto sndr = ex::just(42);
using Sndr = decltype(sndr);
STATIC_REQUIRE(ex::sender<Sndr>);
auto op = ex::connect(sndr, checked_value_receiver{42});
ex::start(op);
STATIC_CHECK(ex::get_completion_behavior<Sndr>() == ex::completion_behavior::inline_completion);
STATIC_CHECK(!cudax::__callable<ex::get_completion_scheduler_t<ex::set_value_t>, ex::env_of_t<Sndr>>);
STATIC_CHECK(!cudax::__callable<ex::get_completion_domain_t<ex::set_value_t>, ex::env_of_t<Sndr>>);
constexpr auto sch = dummy_scheduler<test_domain>{};
constexpr auto env = ex::prop{ex::get_scheduler, sch};
STATIC_CHECK(ex::get_completion_scheduler<ex::set_value_t>(ex::get_env(sndr), env) == sch);
STATIC_CHECK(
cuda::std::is_same_v<decltype(ex::get_completion_domain<ex::set_value_t>(ex::get_env(sndr), env)), test_domain>);
}
C2H_TEST("simple test of just_error sender factory", "[just]")
{
auto ec = ::std::errc::invalid_argument;
auto sndr = ex::just_error(ec);
using Sndr = decltype(sndr);
STATIC_REQUIRE(ex::sender<Sndr>);
auto op = ex::connect(sndr, checked_error_receiver{ec});
ex::start(op);
STATIC_REQUIRE(ex::get_completion_behavior<Sndr>() == ex::completion_behavior::inline_completion);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_scheduler_t<ex::set_error_t>, ex::env_of_t<Sndr>>);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_domain_t<ex::set_error_t>, ex::env_of_t<Sndr>>);
constexpr auto sch = dummy_scheduler<test_domain>{};
constexpr auto env = ex::prop{ex::get_scheduler, sch};
STATIC_CHECK(ex::get_completion_scheduler<ex::set_error_t>(ex::get_env(sndr), env) == sch);
STATIC_CHECK(
cuda::std::is_same_v<decltype(ex::get_completion_domain<ex::set_error_t>(ex::get_env(sndr), env)), test_domain>);
}
C2H_TEST("simple test of just_stopped sender factory", "[just]")
{
auto sndr = ex::just_stopped();
using Sndr = decltype(sndr);
STATIC_REQUIRE(ex::sender<Sndr>);
auto op = ex::connect(sndr, checked_stopped_receiver{});
ex::start(op);
STATIC_REQUIRE(ex::get_completion_behavior<Sndr>() == ex::completion_behavior::inline_completion);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_scheduler_t<ex::set_stopped_t>, ex::env_of_t<Sndr>>);
STATIC_REQUIRE(!cudax::__callable<ex::get_completion_domain_t<ex::set_stopped_t>, ex::env_of_t<Sndr>>);
constexpr auto sch = dummy_scheduler<test_domain>{};
constexpr auto env = ex::prop{ex::get_scheduler, sch};
STATIC_CHECK(ex::get_completion_scheduler<ex::set_stopped_t>(ex::get_env(sndr), env) == sch);
STATIC_CHECK(
cuda::std::is_same_v<decltype(ex::get_completion_domain<ex::set_stopped_t>(ex::get_env(sndr), env)), test_domain>);
}
} // anonymous namespace