Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 813 insertions, 0 deletions

diff --git a/src/boost/libs/function/test/function_test.cpp b/src/boost/libs/function/test/function_test.cpp
new file mode 100644
index 000000000..88747e01a
--- /dev/null
+++ b/src/boost/libs/function/test/function_test.cpp
@@ -0,0 +1,813 @@
+// Boost.Function library
+
+//  Copyright Douglas Gregor 2001-2003. Use, modification and
+//  distribution is subject to 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)
+
+// For more information, see http://www.boost.org
+
+#include <boost/function.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <functional>
+#include <string>
+#include <utility>
+
+#define BOOST_CHECK BOOST_TEST
+
+using boost::function;
+using std::string;
+
+int global_int;
+
+struct write_five_obj { void operator()() const { global_int = 5; } };
+struct write_three_obj { int operator()() const { global_int = 3; return 7; }};
+static void write_five() { global_int = 5; }
+static void write_three() { global_int = 3; }
+struct generate_five_obj { int operator()() const { return 5; } };
+struct generate_three_obj { int operator()() const { return 3; } };
+static int generate_five() { return 5; }
+static int generate_three() { return 3; }
+static string identity_str(const string& s) { return s; }
+static string string_cat(const string& s1, const string& s2) { return s1+s2; }
+static int sum_ints(int x, int y) { return x+y; }
+
+struct write_const_1_nonconst_2
+{
+  void operator()() { global_int = 2; }
+  void operator()() const { global_int = 1; }
+};
+
+struct add_to_obj
+{
+  add_to_obj(int v) : value(v) {}
+
+  int operator()(int x) const { return value + x; }
+
+  int value;
+};
+
+static void
+test_zero_args()
+{
+  typedef function<void ()> func_void_type;
+
+  write_five_obj five;
+  write_three_obj three;
+
+  // Default construction
+  func_void_type v1;
+  BOOST_CHECK(v1.empty());
+
+  // Assignment to an empty function
+  v1 = five;
+  BOOST_CHECK(v1 != 0);
+
+  // Invocation of a function
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 5);
+
+  // clear() method
+  v1.clear();
+  BOOST_CHECK(v1 == 0);
+
+  // Assignment to an empty function
+  v1 = three;
+  BOOST_CHECK(!v1.empty());
+
+  // Invocation and self-assignment
+  global_int = 0;
+  v1 = v1;
+  v1();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a non-empty function
+  v1 = five;
+
+  // Invocation and self-assignment
+  global_int = 0;
+  v1 = (v1);
+  v1();
+  BOOST_CHECK(global_int == 5);
+
+  // clear
+  v1 = 0;
+  BOOST_CHECK(0 == v1);
+
+  // Assignment to an empty function from a free function
+  v1 = BOOST_FUNCTION_TARGET_FIX(&) write_five;
+  BOOST_CHECK(0 != v1);
+
+  // Invocation
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v1 = BOOST_FUNCTION_TARGET_FIX(&) write_three;
+  BOOST_CHECK(!v1.empty());
+
+  // Invocation
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment
+  v1 = five;
+  BOOST_CHECK(!v1.empty());
+
+  // Invocation
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v1 = &write_three;
+  BOOST_CHECK(!v1.empty());
+
+  // Invocation
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 3);
+
+  // Construction from another function (that is empty)
+  v1.clear();
+  func_void_type v2(v1);
+  BOOST_CHECK(!v2? true : false);
+
+  // Assignment to an empty function
+  v2 = three;
+  BOOST_CHECK(!v2.empty());
+
+  // Invocation
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a non-empty function
+  v2 = (five);
+
+  // Invocation
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 5);
+
+  v2.clear();
+  BOOST_CHECK(v2.empty());
+
+  // Assignment to an empty function from a free function
+  v2 = (BOOST_FUNCTION_TARGET_FIX(&) write_five);
+  BOOST_CHECK(v2? true : false);
+
+  // Invocation
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v2 = BOOST_FUNCTION_TARGET_FIX(&) write_three;
+  BOOST_CHECK(!v2.empty());
+
+  // Invocation
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 3);
+
+  // Swapping
+  v1 = five;
+  swap(v1, v2);
+  v2();
+  BOOST_CHECK(global_int == 5);
+  v1();
+  BOOST_CHECK(global_int == 3);
+  swap(v1, v2);
+  v1.clear();
+
+  // Assignment
+  v2 = five;
+  BOOST_CHECK(!v2.empty());
+
+  // Invocation
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v2 = &write_three;
+  BOOST_CHECK(!v2.empty());
+
+  // Invocation
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a function from an empty function
+  v2 = v1;
+  BOOST_CHECK(v2.empty());
+
+  // Assignment to a function from a function with a functor
+  v1 = three;
+  v2 = v1;
+  BOOST_CHECK(!v1.empty());
+  BOOST_CHECK(!v2.empty());
+
+  // Invocation
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 3);
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 3);
+
+  // Assign to a function from a function with a function
+  v2 = BOOST_FUNCTION_TARGET_FIX(&) write_five;
+  v1 = v2;
+  BOOST_CHECK(!v1.empty());
+  BOOST_CHECK(!v2.empty());
+  global_int = 0;
+  v1();
+  BOOST_CHECK(global_int == 5);
+  global_int = 0;
+  v2();
+  BOOST_CHECK(global_int == 5);
+
+  // Construct a function given another function containing a function
+  func_void_type v3(v1);
+
+  // Invocation of a function
+  global_int = 0;
+  v3();
+  BOOST_CHECK(global_int == 5);
+
+  // clear() method
+  v3.clear();
+  BOOST_CHECK(!v3? true : false);
+
+  // Assignment to an empty function
+  v3 = three;
+  BOOST_CHECK(!v3.empty());
+
+  // Invocation
+  global_int = 0;
+  v3();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a non-empty function
+  v3 = five;
+
+  // Invocation
+  global_int = 0;
+  v3();
+  BOOST_CHECK(global_int == 5);
+
+  // clear()
+  v3.clear();
+  BOOST_CHECK(v3.empty());
+
+  // Assignment to an empty function from a free function
+  v3 = &write_five;
+  BOOST_CHECK(!v3.empty());
+
+  // Invocation
+  global_int = 0;
+  v3();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v3 = &write_three;
+  BOOST_CHECK(!v3.empty());
+
+  // Invocation
+  global_int = 0;
+  v3();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment
+  v3 = five;
+  BOOST_CHECK(!v3.empty());
+
+  // Invocation
+  global_int = 0;
+  v3();
+  BOOST_CHECK(global_int == 5);
+
+  // Construction of a function from a function containing a functor
+  func_void_type v4(v3);
+
+  // Invocation of a function
+  global_int = 0;
+  v4();
+  BOOST_CHECK(global_int == 5);
+
+  // clear() method
+  v4.clear();
+  BOOST_CHECK(v4.empty());
+
+  // Assignment to an empty function
+  v4 = three;
+  BOOST_CHECK(!v4.empty());
+
+  // Invocation
+  global_int = 0;
+  v4();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a non-empty function
+  v4 = five;
+
+  // Invocation
+  global_int = 0;
+  v4();
+  BOOST_CHECK(global_int == 5);
+
+  // clear()
+  v4.clear();
+  BOOST_CHECK(v4.empty());
+
+  // Assignment to an empty function from a free function
+  v4 = &write_five;
+  BOOST_CHECK(!v4.empty());
+
+  // Invocation
+  global_int = 0;
+  v4();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v4 = &write_three;
+  BOOST_CHECK(!v4.empty());
+
+  // Invocation
+  global_int = 0;
+  v4();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment
+  v4 = five;
+  BOOST_CHECK(!v4.empty());
+
+  // Invocation
+  global_int = 0;
+  v4();
+  BOOST_CHECK(global_int == 5);
+
+  // Construction of a function from a functor
+  func_void_type v5(five);
+
+  // Invocation of a function
+  global_int = 0;
+  v5();
+  BOOST_CHECK(global_int == 5);
+
+  // clear() method
+  v5.clear();
+  BOOST_CHECK(v5.empty());
+
+  // Assignment to an empty function
+  v5 = three;
+  BOOST_CHECK(!v5.empty());
+
+  // Invocation
+  global_int = 0;
+  v5();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a non-empty function
+  v5 = five;
+
+  // Invocation
+  global_int = 0;
+  v5();
+  BOOST_CHECK(global_int == 5);
+
+  // clear()
+  v5.clear();
+  BOOST_CHECK(v5.empty());
+
+  // Assignment to an empty function from a free function
+  v5 = &write_five;
+  BOOST_CHECK(!v5.empty());
+
+  // Invocation
+  global_int = 0;
+  v5();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v5 = &write_three;
+  BOOST_CHECK(!v5.empty());
+
+  // Invocation
+  global_int = 0;
+  v5();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment
+  v5 = five;
+  BOOST_CHECK(!v5.empty());
+
+  // Invocation
+  global_int = 0;
+  v5();
+  BOOST_CHECK(global_int == 5);
+
+  // Construction of a function from a function
+  func_void_type v6(&write_five);
+
+  // Invocation of a function
+  global_int = 0;
+  v6();
+  BOOST_CHECK(global_int == 5);
+
+  // clear() method
+  v6.clear();
+  BOOST_CHECK(v6.empty());
+
+  // Assignment to an empty function
+  v6 = three;
+  BOOST_CHECK(!v6.empty());
+
+  // Invocation
+  global_int = 0;
+  v6();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment to a non-empty function
+  v6 = five;
+
+  // Invocation
+  global_int = 0;
+  v6();
+  BOOST_CHECK(global_int == 5);
+
+  // clear()
+  v6.clear();
+  BOOST_CHECK(v6.empty());
+
+  // Assignment to an empty function from a free function
+  v6 = &write_five;
+  BOOST_CHECK(!v6.empty());
+
+  // Invocation
+  global_int = 0;
+  v6();
+  BOOST_CHECK(global_int == 5);
+
+  // Assignment to a non-empty function from a free function
+  v6 = &write_three;
+  BOOST_CHECK(!v6.empty());
+
+  // Invocation
+  global_int = 0;
+  v6();
+  BOOST_CHECK(global_int == 3);
+
+  // Assignment
+  v6 = five;
+  BOOST_CHECK(!v6.empty());
+
+  // Invocation
+  global_int = 0;
+  v6();
+  BOOST_CHECK(global_int == 5);
+
+  // Const vs. non-const
+  write_const_1_nonconst_2 one_or_two;
+  const function<void ()> v7(one_or_two);
+  function<void ()> v8(one_or_two);
+
+  global_int = 0;
+  v7();
+  BOOST_CHECK(global_int == 2);
+
+  global_int = 0;
+  v8();
+  BOOST_CHECK(global_int == 2);
+
+  // Test construction from 0 and comparison to 0
+  func_void_type v9(0);
+  BOOST_CHECK(v9 == 0);
+  BOOST_CHECK(0 == v9);
+
+  // Test return values
+  typedef function<int ()> func_int_type;
+  generate_five_obj gen_five;
+  generate_three_obj gen_three;
+
+  func_int_type i0(gen_five);
+
+  BOOST_CHECK(i0() == 5);
+  i0 = gen_three;
+  BOOST_CHECK(i0() == 3);
+  i0 = &generate_five;
+  BOOST_CHECK(i0() == 5);
+  i0 = &generate_three;
+  BOOST_CHECK(i0() == 3);
+  BOOST_CHECK(i0? true : false);
+  i0.clear();
+  BOOST_CHECK(!i0? true : false);
+
+  // Test return values with compatible types
+  typedef function<long ()> func_long_type;
+  func_long_type i1(gen_five);
+
+  BOOST_CHECK(i1() == 5);
+  i1 = gen_three;
+  BOOST_CHECK(i1() == 3);
+  i1 = &generate_five;
+  BOOST_CHECK(i1() == 5);
+  i1 = &generate_three;
+  BOOST_CHECK(i1() == 3);
+  BOOST_CHECK(i1? true : false);
+  i1.clear();
+  BOOST_CHECK(!i1? true : false);
+}
+
+static void
+test_one_arg()
+{
+  std::negate<int> neg;
+
+  function<int (int)> f1(neg);
+  BOOST_CHECK(f1(5) == -5);
+
+  function<string (string)> id(&identity_str);
+  BOOST_CHECK(id("str") == "str");
+
+  function<string (const char*)> id2(&identity_str);
+  BOOST_CHECK(id2("foo") == "foo");
+
+  add_to_obj add_to(5);
+  function<int (int)> f2(add_to);
+  BOOST_CHECK(f2(3) == 8);
+
+  const function<int (int)> cf2(add_to);
+  BOOST_CHECK(cf2(3) == 8);
+}
+
+static void
+test_two_args()
+{
+  function<string (const string&, const string&)> cat(&string_cat);
+  BOOST_CHECK(cat("str", "ing") == "string");
+
+  function<int (short, short)> sum(&sum_ints);
+  BOOST_CHECK(sum(2, 3) == 5);
+}
+
+static void
+test_emptiness()
+{
+  function<float ()> f1;
+  BOOST_CHECK(f1.empty());
+
+  function<float ()> f2;
+  f2 = f1;
+  BOOST_CHECK(f2.empty());
+
+  function<double ()> f3;
+  f3 = f2;
+  BOOST_CHECK(f3.empty());
+}
+
+struct X {
+  X(int v) : value(v) {}
+
+  int twice() const { return 2*value; }
+  int plus(int v) { return value + v; }
+
+  int value;
+};
+
+static void
+test_member_functions()
+{
+  boost::function<int (X*)> f1(&X::twice);
+
+  X one(1);
+  X five(5);
+
+  BOOST_CHECK(f1(&one) == 2);
+  BOOST_CHECK(f1(&five) == 10);
+
+  boost::function<int (X*)> f1_2;
+  f1_2 = &X::twice;
+
+  BOOST_CHECK(f1_2(&one) == 2);
+  BOOST_CHECK(f1_2(&five) == 10);
+
+  boost::function<int (X&, int)> f2(&X::plus);
+  BOOST_CHECK(f2(one, 3) == 4);
+  BOOST_CHECK(f2(five, 4) == 9);
+}
+
+struct add_with_throw_on_copy {
+  int operator()(int x, int y) const { return x+y; }
+
+  add_with_throw_on_copy() {}
+
+  add_with_throw_on_copy(const add_with_throw_on_copy&)
+  {
+    throw std::runtime_error("But this CAN'T throw");
+  }
+
+  add_with_throw_on_copy& operator=(const add_with_throw_on_copy&)
+  {
+    throw std::runtime_error("But this CAN'T throw");
+  }
+};
+
+static void
+test_ref()
+{
+  add_with_throw_on_copy atc;
+  try {
+    boost::function<int (int, int)> f(boost::ref(atc));
+    BOOST_CHECK(f(1, 3) == 4);
+  }
+  catch(std::runtime_error const&) {
+    BOOST_ERROR("Nonthrowing constructor threw an exception");
+  }
+}
+
+#if BOOST_WORKAROUND(BOOST_GCC, >= 70000 && BOOST_GCC < 80000) && __cplusplus >= 201700
+
+// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81311
+#pragma message("Skipping test_empty_ref on g++ 7 -std=c++17")
+
+static void test_empty_ref()
+{
+}
+
+#else
+
+static void dummy() {}
+
+static void test_empty_ref()
+{
+  boost::function<void()> f1;
+  boost::function<void()> f2(boost::ref(f1));
+
+  try {
+    f2();
+    BOOST_ERROR("Exception didn't throw for reference to empty function.");
+  }
+  catch(std::runtime_error const&) {}
+
+  f1 = dummy;
+
+  try {
+    f2();
+  }
+  catch(std::runtime_error const&) {
+    BOOST_ERROR("Error calling referenced function.");
+  }
+}
+
+#endif
+
+
+static void test_exception()
+{
+  boost::function<int (int, int)> f;
+  try {
+    f(5, 4);
+    BOOST_CHECK(false);
+  }
+  catch(boost::bad_function_call const&) {
+    // okay
+  }
+}
+
+typedef boost::function< void * (void * reader) > reader_type;
+typedef std::pair<int, reader_type> mapped_type;
+
+static void test_implicit()
+{
+  mapped_type m;
+  m = mapped_type();
+}
+
+static void test_call_obj(boost::function<int (int, int)> f)
+{
+  BOOST_CHECK(!f.empty());
+}
+
+static void test_call_cref(const boost::function<int (int, int)>& f)
+{
+  BOOST_CHECK(!f.empty());
+}
+
+static void test_call()
+{
+  test_call_obj(std::plus<int>());
+  test_call_cref(std::plus<int>());
+}
+
+struct big_aggregating_structure {
+  int disable_small_objects_optimizations[32];
+    
+  big_aggregating_structure()
+  {
+    ++ global_int;
+  }
+    
+  big_aggregating_structure(const big_aggregating_structure&)
+  {
+    ++ global_int;
+  }
+
+  ~big_aggregating_structure()
+  {
+    -- global_int;
+  }
+    
+  void operator()() 
+  {
+    ++ global_int;
+  }
+
+  void operator()(int) 
+  {
+    ++ global_int;
+  }
+};
+
+template <class FunctionT>
+static void test_move_semantics() 
+{
+  typedef FunctionT f1_type;
+
+  big_aggregating_structure obj;
+  
+  f1_type f1 = obj;
+  global_int = 0;
+  f1();
+  
+  BOOST_CHECK(!f1.empty());
+  BOOST_CHECK(global_int == 1);
+  
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+  // Testing rvalue constructors
+  f1_type f2(static_cast<f1_type&&>(f1));
+  BOOST_CHECK(f1.empty());
+  BOOST_CHECK(!f2.empty());
+  BOOST_CHECK(global_int == 1);
+  f2();
+  BOOST_CHECK(global_int == 2);
+  
+  f1_type f3(static_cast<f1_type&&>(f2));
+  BOOST_CHECK(f1.empty());
+  BOOST_CHECK(f2.empty());
+  BOOST_CHECK(!f3.empty());
+  BOOST_CHECK(global_int == 2);
+  f3();
+  BOOST_CHECK(global_int == 3);
+    
+  // Testing move assignment
+  f1_type f4;
+  BOOST_CHECK(f4.empty());
+  f4 = static_cast<f1_type&&>(f3);
+  BOOST_CHECK(f1.empty());
+  BOOST_CHECK(f2.empty());
+  BOOST_CHECK(f3.empty());
+  BOOST_CHECK(!f4.empty());
+  BOOST_CHECK(global_int == 3);
+  f4();
+  BOOST_CHECK(global_int == 4);
+  
+  // Testing self move assignment
+  f4 = static_cast<f1_type&&>(f4);
+  BOOST_CHECK(!f4.empty());
+  BOOST_CHECK(global_int == 4);
+
+  // Testing, that no memory leaked when assigning to nonempty function
+  f4 = obj;
+  BOOST_CHECK(!f4.empty());
+  BOOST_CHECK(global_int == 4);
+  f1_type f5 = obj;
+  BOOST_CHECK(global_int == 5);
+  f4 = static_cast<f1_type&&>(f5);
+  BOOST_CHECK(global_int == 4);
+  
+#endif  
+}
+
+int main()
+{
+  test_zero_args();
+  test_one_arg();
+  test_two_args();
+  test_emptiness();
+  test_member_functions();
+  test_ref();
+  test_empty_ref();
+  test_exception();
+  test_implicit();
+  test_call();
+  test_move_semantics<function<void()> >();
+  test_move_semantics<boost::function0<void> >();
+
+  return boost::report_errors();
+}