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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/any/test/test.hpp
parentInitial commit. (diff)
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Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+// what: simple unit test framework
+// who: developed by Kevlin Henney
+// when: November 2000
+// where: tested with BCC 5.5, MSVC 6.0, and g++ 2.91
+
+#ifndef TEST_INCLUDED
+#define TEST_INCLUDED
+
+#include <boost/config.hpp>
+#include <exception>
+#include <iostream>
+#ifdef BOOST_NO_STRINGSTREAM
+#include <strstream> // for out-of-the-box g++ pre-2.95.3
+#else
+#include <sstream>
+#endif
+#include <string>
+
+namespace any_tests // test tuple comprises name and nullary function (object)
+{
+ template<typename string_type, typename function_type>
+ struct test
+ {
+ string_type name;
+ function_type action;
+
+ static test make(string_type name, function_type action)
+ {
+ test result; // MSVC aggreggate initializer bugs
+ result.name = name;
+ result.action = action;
+ return result;
+ }
+ };
+}
+
+namespace any_tests // failure exception used to indicate checked test failures
+{
+ class failure : public std::exception
+ {
+ public: // struction (default cases are OK)
+
+ failure(const std::string & why) throw()
+ : reason(why)
+ {
+ }
+
+ ~failure() throw() {}
+
+ public: // usage
+
+ virtual const char * what() const throw()
+ {
+ return reason.c_str();
+ }
+
+ private: // representation
+
+ std::string reason;
+
+ };
+}
+
+namespace any_tests // not_implemented exception used to mark unimplemented tests
+{
+ class not_implemented : public std::exception
+ {
+ public: // usage (default ctor and dtor are OK)
+
+ virtual const char * what() const throw()
+ {
+ return "not implemented";
+ }
+
+ };
+}
+
+namespace any_tests // test utilities
+{
+ inline void check(bool condition, const std::string & description)
+ {
+ if(!condition)
+ {
+ throw failure(description);
+ }
+ }
+
+ inline void check_true(bool value, const std::string & description)
+ {
+ check(value, "expected true: " + description);
+ }
+
+ inline void check_false(bool value, const std::string & description)
+ {
+ check(!value, "expected false: " + description);
+ }
+
+ template<typename lhs_type, typename rhs_type>
+ void check_equal(
+ const lhs_type & lhs, const rhs_type & rhs,
+ const std::string & description)
+ {
+ check(lhs == rhs, "expected equal values: " + description);
+ }
+
+ template<typename lhs_type, typename rhs_type>
+ void check_unequal(
+ const lhs_type & lhs, const rhs_type & rhs,
+ const std::string & description)
+ {
+ check(lhs != rhs, "expected unequal values: " + description);
+ }
+
+ inline void check_null(const void * ptr, const std::string & description)
+ {
+ check(!ptr, "expected null pointer: " + description);
+ }
+
+ inline void check_non_null(const void * ptr, const std::string & description)
+ {
+ check(ptr != 0, "expected non-null pointer: " + description);
+ }
+}
+
+#define TEST_CHECK_THROW(expression, exception, description) \
+ try \
+ { \
+ expression; \
+ throw ::any_tests::failure(description); \
+ } \
+ catch(exception &) \
+ { \
+ }
+
+namespace any_tests // memory tracking (enabled if test new and delete linked in)
+{
+ class allocations
+ {
+ public: // singleton access
+
+ static allocations & instance()
+ {
+ static allocations singleton;
+ return singleton;
+ }
+
+ public: // logging
+
+ void clear()
+ {
+ alloc_count = dealloc_count = 0;
+ }
+
+ void allocation()
+ {
+ ++alloc_count;
+ }
+
+ void deallocation()
+ {
+ ++dealloc_count;
+ }
+
+ public: // reporting
+
+ unsigned long allocated() const
+ {
+ return alloc_count;
+ }
+
+ unsigned long deallocated() const
+ {
+ return dealloc_count;
+ }
+
+ bool balanced() const
+ {
+ return alloc_count == dealloc_count;
+ }
+
+ private: // structors (default dtor is fine)
+
+ allocations()
+ : alloc_count(0), dealloc_count(0)
+ {
+ }
+
+ private: // prevention
+
+ allocations(const allocations &);
+ allocations & operator=(const allocations &);
+
+ private: // state
+
+ unsigned long alloc_count, dealloc_count;
+
+ };
+}
+
+namespace any_tests // tester is the driver class for a sequence of tests
+{
+ template<typename test_iterator>
+ class tester
+ {
+ public: // structors (default destructor is OK)
+
+ tester(test_iterator first_test, test_iterator after_last_test)
+ : begin(first_test), end(after_last_test)
+ {
+ }
+
+ public: // usage
+
+ bool operator()(); // returns true if all tests passed
+
+ private: // representation
+
+ test_iterator begin, end;
+
+ private: // prevention
+
+ tester(const tester &);
+ tester &operator=(const tester &);
+
+ };
+
+#if defined(__GNUC__) && defined(__SGI_STL_PORT) && (__GNUC__ < 3)
+ // function scope using declarations don't work:
+ using namespace std;
+#endif
+
+ template<typename test_iterator>
+ bool tester<test_iterator>::operator()()
+ {
+ using std::cerr;
+ using std::endl;
+ using std::ends;
+ using std::exception;
+ using std::flush;
+ using std::string;
+
+ unsigned long passed = 0, failed = 0, unimplemented = 0;
+
+ for(test_iterator current = begin; current != end; ++current)
+ {
+ cerr << "[" << current->name << "] " << flush;
+ string result = "passed"; // optimistic
+
+ try
+ {
+ allocations::instance().clear();
+ current->action();
+
+ if(!allocations::instance().balanced())
+ {
+ unsigned long allocated = allocations::instance().allocated();
+ unsigned long deallocated = allocations::instance().deallocated();
+#ifdef BOOST_NO_STRINGSTREAM
+ std::ostrstream report;
+#else
+ std::ostringstream report;
+#endif
+ report << "new/delete ("
+ << allocated << " allocated, "
+ << deallocated << " deallocated)"
+ << ends;
+ const string text = report.str();
+#ifdef BOOST_NO_STRINGSTREAM
+ report.freeze(false);
+#endif
+ throw failure(text);
+ }
+
+ ++passed;
+ }
+ catch(const failure & caught)
+ {
+ (result = "failed: ") += caught.what();
+ ++failed;
+ }
+ catch(const not_implemented &)
+ {
+ result = "not implemented";
+ ++unimplemented;
+ }
+ catch(const exception & caught)
+ {
+ (result = "exception: ") += caught.what();
+ ++failed;
+ }
+ catch(...)
+ {
+ result = "failed with unknown exception";
+ ++failed;
+ }
+
+ cerr << result << endl;
+ }
+
+ cerr << (passed + failed) << " tests: "
+ << passed << " passed, "
+ << failed << " failed";
+
+ if(unimplemented)
+ {
+ cerr << " (" << unimplemented << " not implemented)";
+ }
+
+ cerr << endl;
+
+ return failed == 0;
+ }
+}
+
+#endif
+
+// Copyright Kevlin Henney, 2000. All rights reserved.
+//
+// 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)