From 3fc18d56ac0c8a88b49d776198e2d1a5e967e3fe Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 26 Jun 2023 16:13:20 +0300
Subject: [PATCH] Remove latch_tests.cpp

---
 test/CMakeLists.txt       |   1 -
 test/Jamfile.v2           |   1 -
 test/cfoa/latch_tests.cpp | 139 --------------------------------------
 3 files changed, 141 deletions(-)
 delete mode 100644 test/cfoa/latch_tests.cpp

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 5b9307e1..185fb39e 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -140,7 +140,6 @@ foa_tests(SOURCES exception/merge_exception_tests.cpp)
 
 # CFOA tests
 
-cfoa_tests(SOURCES cfoa/latch_tests.cpp)
 cfoa_tests(SOURCES cfoa/insert_tests.cpp)
 cfoa_tests(SOURCES cfoa/erase_tests.cpp)
 cfoa_tests(SOURCES cfoa/try_emplace_tests.cpp)
diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 1ad15a18..e25f1083 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -176,7 +176,6 @@ alias foa_tests :
 ;
 
 local CFOA_TESTS =
-  latch_tests
   insert_tests
   erase_tests
   try_emplace_tests
diff --git a/test/cfoa/latch_tests.cpp b/test/cfoa/latch_tests.cpp
deleted file mode 100644
index 1ce9d65f..00000000
--- a/test/cfoa/latch_tests.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright (C) 2023 Christian Mazakas
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-
-#define BOOST_ENABLE_ASSERT_HANDLER
-
-#include <boost/compat/latch.hpp>
-#include <boost/core/lightweight_test.hpp>
-
-#include <thread>
-#include <vector>
-
-struct exception
-{
-};
-
-namespace boost {
-  void assertion_failed(
-    char const* expr, char const* function, char const* file, long line)
-  {
-    (void)expr;
-    (void)function;
-    (void)file;
-    (void)line;
-    throw exception{};
-  }
-} // namespace boost
-
-namespace {
-  void test_constructor()
-  {
-    {
-      auto const f = [] {
-        boost::compat::latch l(-1);
-        (void)l;
-      };
-      BOOST_TEST_THROWS(f(), exception);
-    }
-
-    {
-      std::ptrdiff_t n = 0;
-
-      boost::compat::latch l(n);
-      BOOST_TEST(l.try_wait());
-    }
-
-    {
-      std::ptrdiff_t n = 16;
-
-      boost::compat::latch l(n);
-      BOOST_TEST_NOT(l.try_wait());
-
-      l.count_down(16);
-      BOOST_TEST(l.try_wait());
-    }
-  }
-
-  void test_count_down_and_wait()
-  {
-    constexpr std::ptrdiff_t n = 1024;
-
-    boost::compat::latch l(2 * n);
-
-    bool bs[] = {false, false};
-
-    std::thread t1([&] {
-      l.wait();
-      BOOST_TEST(bs[0]);
-      BOOST_TEST(bs[1]);
-    });
-
-    std::thread t2([&] {
-      for (int i = 0; i < n; ++i) {
-        if (i == (n - 1)) {
-          bs[0] = true;
-        } else {
-          BOOST_TEST_NOT(l.try_wait());
-        }
-
-        l.count_down(1);
-      }
-    });
-
-    for (int i = 0; i < n; ++i) {
-      if (i == (n - 1)) {
-        bs[1] = true;
-      } else {
-        BOOST_TEST_NOT(l.try_wait());
-      }
-
-      l.count_down(1);
-    }
-
-    t1.join();
-    t2.join();
-
-    BOOST_TEST(l.try_wait());
-  }
-
-  void test_arrive_and_wait()
-  {
-    std::ptrdiff_t const n = 16;
-
-    boost::compat::latch l(2 * n);
-
-    int xs[n] = {0};
-
-    std::vector<std::thread> threads;
-    for (int i = 0; i < n; ++i) {
-      threads.emplace_back([&l, &xs, i, n] {
-        (void)n;
-        for (int j = 0; j < n; ++j) {
-          BOOST_TEST_EQ(xs[j], 0);
-        }
-
-        l.arrive_and_wait(2);
-
-        xs[i] = 1;
-      });
-    }
-
-    for (auto& t : threads) {
-      t.join();
-    }
-
-    for (int i = 0; i < n; ++i) {
-      BOOST_TEST_EQ(xs[i], 1);
-    }
-  }
-} // namespace
-
-int main()
-{
-  test_constructor();
-  test_count_down_and_wait();
-  test_arrive_and_wait();
-
-  return boost::report_errors();
-}