func TestCoinSet(t *testing.T) {
cs := coinset.NewCoinSet(nil)
if cs.PopCoin() != nil {
t.Error("Expected popCoin of empty to be nil")
}
if cs.ShiftCoin() != nil {
t.Error("Expected shiftCoin of empty to be nil")
}
cs.PushCoin(coins[0])
cs.PushCoin(coins[1])
cs.PushCoin(coins[2])
if cs.PopCoin() != coins[2] {
t.Error("Expected third coin")
}
if cs.ShiftCoin() != coins[0] {
t.Error("Expected first coin")
}
mtx := coinset.NewMsgTxWithInputCoins(cs)
if len(mtx.TxIn) != 1 {
t.Errorf("Expected only 1 TxIn, got %d", len(mtx.TxIn))
}
op := mtx.TxIn[0].PreviousOutpoint
if !op.Hash.IsEqual(coins[1].Hash()) || op.Index != coins[1].Index() {
t.Errorf("Expected the second coin to be added as input to mtx")
}
}
func testCoinSelector(tests []coinSelectTest, t *testing.T) {
for testIndex, test := range tests {
cs, err := test.selector.CoinSelect(test.targetValue, test.inputCoins)
if err != test.expectedError {
t.Errorf("[%d] expected a different error: got=%v, expected=%v", testIndex, err, test.expectedError)
continue
}
if test.expectedCoins != nil {
if cs == nil {
t.Errorf("[%d] expected non-nil coinset", testIndex)
continue
}
coins := cs.Coins()
if len(coins) != len(test.expectedCoins) {
t.Errorf("[%d] expected different number of coins: got=%d, expected=%d", testIndex, len(coins), len(test.expectedCoins))
continue
}
for n := 0; n < len(test.expectedCoins); n++ {
if coins[n] != test.expectedCoins[n] {
t.Errorf("[%d] expected different coins at coin index %d: got=%#v, expected=%#v", testIndex, n, coins[n], test.expectedCoins[n])
continue
}
}
coinSet := coinset.NewCoinSet(coins)
if coinSet.TotalValue() < test.targetValue {
t.Errorf("[%d] targetValue not satistifed", testIndex)
continue
}
}
}
}