[wallet] tests: Don't use floating point
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1 changed files with 25 additions and 21 deletions
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@ -27,7 +27,7 @@ typedef set<pair<const CWalletTx*,unsigned int> > CoinSet;
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BOOST_FIXTURE_TEST_SUITE(wallet_tests, WalletTestingSetup)
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static CWallet wallet;
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static const CWallet wallet;
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static vector<COutput> vCoins;
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static void add_coin(const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0)
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@ -188,11 +188,11 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
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// empty the wallet and start again, now with fractions of a cent, to test small change avoidance
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empty_wallet();
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add_coin(0.1*MIN_CHANGE);
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add_coin(0.2*MIN_CHANGE);
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add_coin(0.3*MIN_CHANGE);
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add_coin(0.4*MIN_CHANGE);
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add_coin(0.5*MIN_CHANGE);
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add_coin(MIN_CHANGE * 1 / 10);
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add_coin(MIN_CHANGE * 2 / 10);
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add_coin(MIN_CHANGE * 3 / 10);
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add_coin(MIN_CHANGE * 4 / 10);
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add_coin(MIN_CHANGE * 5 / 10);
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// try making 1 * MIN_CHANGE from the 1.5 * MIN_CHANGE
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// we'll get change smaller than MIN_CHANGE whatever happens, so can expect MIN_CHANGE exactly
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@ -207,8 +207,8 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
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BOOST_CHECK_EQUAL(nValueRet, 1 * MIN_CHANGE); // we should get the exact amount
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// if we add more small coins:
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add_coin(0.6*MIN_CHANGE);
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add_coin(0.7*MIN_CHANGE);
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add_coin(MIN_CHANGE * 6 / 10);
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add_coin(MIN_CHANGE * 7 / 10);
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// and try again to make 1.0 * MIN_CHANGE
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BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet));
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@ -229,9 +229,9 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
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// sometimes it will fail, and so we use the next biggest coin:
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empty_wallet();
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add_coin(0.5 * MIN_CHANGE);
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add_coin(0.6 * MIN_CHANGE);
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add_coin(0.7 * MIN_CHANGE);
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add_coin(MIN_CHANGE * 5 / 10);
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add_coin(MIN_CHANGE * 6 / 10);
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add_coin(MIN_CHANGE * 7 / 10);
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add_coin(1111 * MIN_CHANGE);
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BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet));
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BOOST_CHECK_EQUAL(nValueRet, 1111 * MIN_CHANGE); // we get the bigger coin
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@ -239,9 +239,9 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
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// but sometimes it's possible, and we use an exact subset (0.4 + 0.6 = 1.0)
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empty_wallet();
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add_coin(0.4 * MIN_CHANGE);
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add_coin(0.6 * MIN_CHANGE);
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add_coin(0.8 * MIN_CHANGE);
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add_coin(MIN_CHANGE * 4 / 10);
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add_coin(MIN_CHANGE * 6 / 10);
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add_coin(MIN_CHANGE * 8 / 10);
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add_coin(1111 * MIN_CHANGE);
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BOOST_CHECK( wallet.SelectCoinsMinConf(MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet));
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BOOST_CHECK_EQUAL(nValueRet, MIN_CHANGE); // we should get the exact amount
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@ -249,17 +249,17 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
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// test avoiding small change
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empty_wallet();
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add_coin(0.05 * MIN_CHANGE);
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add_coin(1 * MIN_CHANGE);
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add_coin(100 * MIN_CHANGE);
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add_coin(MIN_CHANGE * 5 / 100);
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add_coin(MIN_CHANGE * 1);
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add_coin(MIN_CHANGE * 100);
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// trying to make 100.01 from these three coins
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BOOST_CHECK( wallet.SelectCoinsMinConf(100.01 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet));
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BOOST_CHECK_EQUAL(nValueRet, 101.05 * MIN_CHANGE); // we should get all coins
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BOOST_CHECK(wallet.SelectCoinsMinConf(MIN_CHANGE * 10001 / 100, 1, 1, vCoins, setCoinsRet, nValueRet));
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BOOST_CHECK_EQUAL(nValueRet, MIN_CHANGE * 10105 / 100); // we should get all coins
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BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U);
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// but if we try to make 99.9, we should take the bigger of the two small coins to avoid small change
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BOOST_CHECK( wallet.SelectCoinsMinConf(99.9 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet));
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BOOST_CHECK(wallet.SelectCoinsMinConf(MIN_CHANGE * 9990 / 100, 1, 1, vCoins, setCoinsRet, nValueRet));
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BOOST_CHECK_EQUAL(nValueRet, 101 * MIN_CHANGE);
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BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U);
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@ -310,7 +310,11 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
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// add 75 cents in small change. not enough to make 90 cents,
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// then try making 90 cents. there are multiple competing "smallest bigger" coins,
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// one of which should be picked at random
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add_coin( 5*CENT); add_coin(10*CENT); add_coin(15*CENT); add_coin(20*CENT); add_coin(25*CENT);
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add_coin(5 * CENT);
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add_coin(10 * CENT);
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add_coin(15 * CENT);
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add_coin(20 * CENT);
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add_coin(25 * CENT);
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fails = 0;
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for (int i = 0; i < RANDOM_REPEATS; i++)
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