diff options
| -rw-r--r-- | src/wallet/test/coinselector_tests.cpp | 61 |
1 files changed, 36 insertions, 25 deletions
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp index 0776ffda9c..c04a50c12b 100644 --- a/src/wallet/test/coinselector_tests.cpp +++ b/src/wallet/test/coinselector_tests.cpp @@ -452,14 +452,19 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) BOOST_CHECK(testWallet.SelectCoinsMinConf(MIN_CHANGE * 9990 / 100, filter_confirmed, GroupCoins(vCoins), setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 101 * MIN_CHANGE); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); + } - // test with many inputs - for (CAmount amt=1500; amt < COIN; amt*=10) { - empty_wallet(); - // Create 676 inputs (= (old MAX_STANDARD_TX_SIZE == 100000) / 148 bytes per input) - for (uint16_t j = 0; j < 676; j++) - add_coin(amt); + // test with many inputs + for (CAmount amt=1500; amt < COIN; amt*=10) { + empty_wallet(); + // Create 676 inputs (= (old MAX_STANDARD_TX_SIZE == 100000) / 148 bytes per input) + for (uint16_t j = 0; j < 676; j++) + add_coin(amt); + + // We only create the wallet once to save time, but we still run the coin selection RUN_TESTS times. + for (int i = 0; i < RUN_TESTS; i++) { BOOST_CHECK(testWallet.SelectCoinsMinConf(2000, filter_confirmed, GroupCoins(vCoins), setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + if (amt - 2000 < MIN_CHANGE) { // needs more than one input: uint16_t returnSize = std::ceil((2000.0 + MIN_CHANGE)/amt); @@ -471,14 +476,17 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) BOOST_CHECK_EQUAL(nValueRet, amt); BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); } - } + } + } - // test randomness - { - empty_wallet(); - for (int i2 = 0; i2 < 100; i2++) - add_coin(COIN); + // test randomness + { + empty_wallet(); + for (int i2 = 0; i2 < 100; i2++) + add_coin(COIN); + // Again, we only create the wallet once to save time, but we still run the coin selection RUN_TESTS times. + for (int i = 0; i < RUN_TESTS; i++) { // picking 50 from 100 coins doesn't depend on the shuffle, // but does depend on randomness in the stochastic approximation code BOOST_CHECK(testWallet.SelectCoinsMinConf(50 * COIN, filter_standard, GroupCoins(vCoins), setCoinsRet , nValueRet, coin_selection_params, bnb_used)); @@ -496,17 +504,19 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) fails++; } BOOST_CHECK_NE(fails, RANDOM_REPEATS); - - // add 75 cents in small change. not enough to make 90 cents, - // then try making 90 cents. there are multiple competing "smallest bigger" coins, - // one of which should be picked at random - add_coin(5 * CENT); - add_coin(10 * CENT); - add_coin(15 * CENT); - add_coin(20 * CENT); - add_coin(25 * CENT); - - fails = 0; + } + + // add 75 cents in small change. not enough to make 90 cents, + // then try making 90 cents. there are multiple competing "smallest bigger" coins, + // one of which should be picked at random + add_coin(5 * CENT); + add_coin(10 * CENT); + add_coin(15 * CENT); + add_coin(20 * CENT); + add_coin(25 * CENT); + + for (int i = 0; i < RUN_TESTS; i++) { + int fails = 0; for (int j = 0; j < RANDOM_REPEATS; j++) { // selecting 1 from 100 identical coins depends on the shuffle; this test will fail 1% of the time @@ -517,8 +527,9 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) fails++; } BOOST_CHECK_NE(fails, RANDOM_REPEATS); - } - } + } + } + empty_wallet(); } |