create a separate unit-tests dir

unit-tests/btree_t.cc

@@ -0,0 +1,63 @@
+#include "transaction_manager.h"
+#include "core_map.h"
+#include "btree.h"
+
+#define BOOST_TEST_MODULE BTreeTests
+#include <boost/test/included/unit_test.hpp>
+
+using namespace std;
+using namespace boost;
+using namespace persistent_data;
+
+//----------------------------------------------------------------
+
+namespace {
+	block_address const NR_BLOCKS = 102400;
+
+	transaction_manager<4096>::ptr
+	create_tm() {
+		block_manager<4096>::ptr bm(new block_manager<4096>("./test.data", NR_BLOCKS));
+		space_map::ptr sm(new core_map(NR_BLOCKS));
+		transaction_manager<4096>::ptr tm(new transaction_manager<4096>(bm, sm));
+		return tm;
+	}
+
+	btree<1, uint64_traits, 4096>::ptr
+	create_btree() {
+		typename uint64_traits::ref_counter rc;
+
+		return btree<1, uint64_traits, 4096>::ptr(
+			new btree<1, uint64_traits, 4096>(
+				create_tm(), rc));
+	}
+}
+
+//----------------------------------------------------------------
+
+BOOST_AUTO_TEST_CASE(empty_btree_contains_nothing)
+{
+	auto tree = create_btree();
+
+	for (uint64_t i = 0; i < 1000; i++) {
+		uint64_t key[1] = {i};
+		BOOST_CHECK(!tree->lookup(key));
+	}
+}
+
+BOOST_AUTO_TEST_CASE(insert_works)
+{
+	unsigned const COUNT = 1000000;
+
+	auto tree = create_btree();
+	for (uint64_t i = 0; i < COUNT; i++) {
+		uint64_t key[1] = {i * 7};
+		uint64_t value = i;
+		tree->insert(key, value);
+
+		auto l = tree->lookup(key);
+		BOOST_CHECK(l);
+		BOOST_CHECK_EQUAL(*l, i);
+	}
+}
+
+//----------------------------------------------------------------