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-rw-r--r--src/wallet/test/wallet_tests.cpp35
1 files changed, 34 insertions, 1 deletions
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 8b9292bd14..e84d588026 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2012-2014 The Bitcoin Core developers
+// Copyright (c) 2012-2015 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -328,4 +328,37 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
empty_wallet();
}
+BOOST_AUTO_TEST_CASE(ApproximateBestSubset)
+{
+ CoinSet setCoinsRet;
+ CAmount nValueRet;
+
+ LOCK(wallet.cs_wallet);
+
+ empty_wallet();
+
+ // Test vValue sort order
+ for (int i = 0; i < 1000; i++)
+ add_coin(1000 * COIN);
+ add_coin(3 * COIN);
+
+ BOOST_CHECK(wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, vCoins, setCoinsRet, nValueRet));
+ BOOST_CHECK_EQUAL(nValueRet, 1003 * COIN);
+ BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);
+
+ empty_wallet();
+
+ // Test trimming
+ for (int i = 0; i < 100; i++)
+ add_coin(10 * COIN);
+ for (int i = 0; i < 100; i++)
+ add_coin(1000 * COIN);
+
+ BOOST_CHECK(wallet.SelectCoinsMinConf(100001 * COIN, 1, 6, vCoins, setCoinsRet, nValueRet));
+ // We need all 100 larger coins and exactly one small coin.
+ // Superfluous small coins must be trimmed from the set:
+ BOOST_CHECK_EQUAL(nValueRet, 100010 * COIN);
+ BOOST_CHECK_EQUAL(setCoinsRet.size(), 101);
+}
+
BOOST_AUTO_TEST_SUITE_END()