create a separate unit-tests dir

unit-tests/endian_t.cc

@@ -0,0 +1,62 @@
+#include "space_map_disk.h"
+#include "core_map.h"
+
+#define BOOST_TEST_MODULE EndianTests
+#include <boost/test/included/unit_test.hpp>
+
+using namespace base;
+using namespace boost;
+using namespace persistent_data;
+using namespace std;
+
+//----------------------------------------------------------------
+
+BOOST_AUTO_TEST_CASE(bitmaps)
+{
+	unsigned NR_BITS = 10247;
+	vector<uint64_t> data((NR_BITS + 63) / 64, 0);
+
+	// check all bits are zero
+	void *bits = &data[0];
+	for (unsigned i = 0; i < NR_BITS; i++)
+		BOOST_CHECK(!test_bit_le(bits, i));
+
+	// set all bits to one
+	for (unsigned i = 0; i < NR_BITS; i++)
+		set_bit_le(bits, i);
+
+	// check they're all 1 now
+	for (unsigned i = 0; i < NR_BITS; i++)
+		BOOST_CHECK(test_bit_le(bits, i));
+
+	// clear every third bit
+	for (unsigned i = 0; i < NR_BITS; i += 3)
+		clear_bit_le(bits, i);
+
+	// check everything is as we expect
+	for (unsigned i = 0; i < NR_BITS; i++) {
+		if ((i % 3) == 0)
+			BOOST_CHECK(!test_bit_le(bits, i));
+		else
+			BOOST_CHECK(test_bit_le(bits, i));
+	}
+}
+
+BOOST_AUTO_TEST_CASE(bitmaps_alternate_words)
+{
+	unsigned NR_BITS = 10247;
+	vector<uint64_t> data((NR_BITS + 63) / 64, 0);
+
+	// check all bits are zero
+	void *bits = &data[0];
+	for (unsigned i = 0; i < 128; i++)
+		BOOST_CHECK(!test_bit_le(bits, i));
+
+	for (unsigned i = 0; i < 64; i++)
+		set_bit_le(bits, i);
+
+	for (unsigned i = 64; i < 128; i++)
+		BOOST_CHECK(!test_bit_le(bits, i));
+}
+
+//----------------------------------------------------------------