[Boost-commit] svn:boost r4419

From: zeux_at_[hidden]
Date: 2007-06-02 13:00:54

Author: zeux
Date: 2007-06-02 13:00:52 EDT (Sat, 02 Jun 2007)
New Revision: 4419
URL: http://svn.boost.org/trac/boost/changeset/4419

Log:
Number ctors unit tests

Added:
   sandbox/SOC/2007/bigint/libs/bigint/test/number_ctors.cpp
Text files modified: 
   sandbox/SOC/2007/bigint/libs/bigint/test/Jamfile.v2             |     7 ++++---                                 
   sandbox/SOC/2007/bigint/libs/bigint/test/bigint_simple_test.cpp |     2 ++                                      
   sandbox/SOC/2007/bigint/libs/bigint/todo.txt                    |     4 ++--                                    
   3 files changed, 8 insertions(+), 5 deletions(-)

Modified: sandbox/SOC/2007/bigint/libs/bigint/test/Jamfile.v2
==============================================================================
--- sandbox/SOC/2007/bigint/libs/bigint/test/Jamfile.v2	(original)
+++ sandbox/SOC/2007/bigint/libs/bigint/test/Jamfile.v2	2007-06-02 13:00:52 EDT (Sat, 02 Jun 2007)
@@ -7,9 +7,10 @@
 import testing ;
 
 {
-  test-suite bigint:
-   : [ run bigint_simple_test.cpp
-       : : : : bigint_simple ]
+  test-suite bigint
+   :
+   [ run bigint_simple_test.cpp ]
+   [ run number_ctors.cpp ]
    ;
 }
 

Modified: sandbox/SOC/2007/bigint/libs/bigint/test/bigint_simple_test.cpp
==============================================================================
--- sandbox/SOC/2007/bigint/libs/bigint/test/bigint_simple_test.cpp	(original)
+++ sandbox/SOC/2007/bigint/libs/bigint/test/bigint_simple_test.cpp	2007-06-02 13:00:52 EDT (Sat, 02 Jun 2007)
@@ -7,6 +7,8 @@
  * copy at http://www.boost.org/LICENSE_1_0.txt)
  */
 
+#define BOOST_DISABLE_WIN32
+
 #include <boost/test/included/test_exec_monitor.hpp>
 
 #include <boost/bigint/bigint.hpp>

Added: sandbox/SOC/2007/bigint/libs/bigint/test/number_ctors.cpp
==============================================================================
--- (empty file)
+++ sandbox/SOC/2007/bigint/libs/bigint/test/number_ctors.cpp	2007-06-02 13:00:52 EDT (Sat, 02 Jun 2007)
@@ -0,0 +1,144 @@
+/* Boost number_ctors.cpp test file
+ *
+ * Copyright 2007 Arseny Kapoulkine
+ *
+ * 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_DISABLE_WIN32
+
+#include <boost/test/included/test_exec_monitor.hpp>
+
+#include <boost/bigint/bigint.hpp>
+
+#include <sstream>
+
+#include <iostream>
+
+#pragma comment(lib, "libgmp-3.lib")
+
+// This macro is not quite good, but - it's ok for our needs
+#define ARRAY_SIZE(array) sizeof(array) / sizeof(array[0])
+
+template <typename T> T convert_to_number(T value)
+{
+	return value;
+}
+
+int convert_to_number(char value)
+{
+	return value;
+}
+
+unsigned int convert_to_number(unsigned char value)
+{
+	return value;
+}
+
+template <typename I, typename T> void test_number_ctors(T* values, size_t count)
+{
+	typedef boost::bigint_base<I> number;
+
+	for (size_t i = 0; i < count; ++i)
+	{
+		std::ostringstream oss;
+		oss << convert_to_number(values[i]);
+
+		BOOST_CHECK_EQUAL(oss.str(), number(values[i]).str());
+	}
+}
+
+template <typename I> void test()
+{
+	{
+		char values[] = {-128, -127, -10, -1, 0, 1, 33, 124, 125, 126, 127};
+
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+
+	{
+		unsigned char values[] = {0, 1, 33, 124, 125, 126, 127, 200, 240, 254, 255};
+		
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+
+	{
+		short values[] = {-32768, -32767, -23032, -3407, -10, -1, 0, 1, 33, 124, 125, 126, 127, 3489, 31900, 32766, 32767};
+
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+
+	{
+		unsigned short values[] = {0, 1, 33, 124, 125, 126, 127, 200, 240, 254, 255, 3000, 48950, 65534, 65535};
+		
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+	
+	{
+		int values[] = {-2147483647 - 1, -2147483647, -2147483646, -34294039, -3409, -1, 0, 1, 3940, 4950424, 2147483646, 2147483647};
+
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+
+	{
+		unsigned int values[] = {0, 1, 200, 65535, 384983, 23849384, 1203002930, 2147483648, 4294967294, 4294967295};
+		
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+	
+	{
+		boost::int64_t values[] = {-2147483647 - 1, -2147483647, -2147483646, -34294039, -3409, -1, 0, 1, 3940, 4950424, 2147483646, 2147483647};
+
+		// small values
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+
+		for (size_t i = 0; i < ARRAY_SIZE(values); ++i)
+		{
+			values[i] *= 2147483648; // 2^31
+			values[i] *= 2;          // 2^32
+		}
+
+		// first element is -2^31 * 2^32 == -2^63 - ok
+		// last element is (2^31 - 1) * 2^32 == 2^63 - 2^32 - too small
+		values[ARRAY_SIZE(values) - 1] += 4294967295;
+
+		// testing unit tests
+		BOOST_CHECK(values[0] < 0 && values[0] - 1 > 0); // underflow
+		BOOST_CHECK(values[ARRAY_SIZE(values) - 1] > 0 && values[ARRAY_SIZE(values) - 1] + 1 < 0); // overflow
+		BOOST_CHECK_EQUAL(values[0] - 1, values[ARRAY_SIZE(values) - 1]);
+		
+		// large values
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+
+	{
+		boost::uint64_t values[] = {0, 1, 200, 65535, 384983, 23849384, 1203002930, 2147483648, 4294967294, 4294967295};
+
+		// small values
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+
+		for (size_t i = 0; i < ARRAY_SIZE(values); ++i)
+		{
+			values[i] *= 2147483648; // 2^31
+			values[i] *= 2;          // 2^32
+		}
+
+		// last element is (2^32 - 1) * 2^32 == 2^64 - 2^32 - too small
+		values[ARRAY_SIZE(values) - 1] += 4294967295;
+
+		// testing unit tests
+		BOOST_CHECK_EQUAL(values[ARRAY_SIZE(values) - 1] + 1, 0); // overflow
+		
+		// large values
+		test_number_ctors<I>(values, ARRAY_SIZE(values));
+	}
+}
+
+int test_main( int argc, char* argv[] )
+{
+  test<boost::detail::bigint_gmp_implementation>();
+
+  return 0;
+}

Modified: sandbox/SOC/2007/bigint/libs/bigint/todo.txt
==============================================================================
--- sandbox/SOC/2007/bigint/libs/bigint/todo.txt	(original)
+++ sandbox/SOC/2007/bigint/libs/bigint/todo.txt	2007-06-02 13:00:52 EDT (Sat, 02 Jun 2007)
@@ -93,8 +93,8 @@
 
 3. Correctness tests
 
-- test all ctors for numbers
-Status: needs implementing
++ test all ctors for numbers
+Status: implemented
 
 - test all ctors for strings (various bases - 2, 9, 18, 27, 36)
 Status: needs implementing