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dec_coin_test.go
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package types_test
import (
"strings"
"testing"
"github.com/stretchr/testify/suite"
"cosmossdk.io/math"
sdk "github.com/cosmos/cosmos-sdk/types"
)
type decCoinTestSuite struct {
suite.Suite
}
func TestDecCoinTestSuite(t *testing.T) {
suite.Run(t, new(decCoinTestSuite))
}
func (s *decCoinTestSuite) TestNewDecCoin() {
s.Require().NotPanics(func() {
sdk.NewInt64DecCoin(testDenom1, 5)
})
s.Require().NotPanics(func() {
sdk.NewInt64DecCoin(testDenom1, 0)
})
s.Require().NotPanics(func() {
sdk.NewInt64DecCoin(strings.ToUpper(testDenom1), 5)
})
s.Require().Panics(func() {
sdk.NewInt64DecCoin(testDenom1, -5)
})
}
func (s *decCoinTestSuite) TestNewDecCoinFromDec() {
s.Require().NotPanics(func() {
sdk.NewDecCoinFromDec(testDenom1, math.LegacyNewDec(5))
})
s.Require().NotPanics(func() {
sdk.NewDecCoinFromDec(testDenom1, math.LegacyZeroDec())
})
s.Require().NotPanics(func() {
sdk.NewDecCoinFromDec(strings.ToUpper(testDenom1), math.LegacyNewDec(5))
})
s.Require().Panics(func() {
sdk.NewDecCoinFromDec(testDenom1, math.LegacyNewDec(-5))
})
}
func (s *decCoinTestSuite) TestNewDecCoinFromCoin() {
s.Require().NotPanics(func() {
sdk.NewDecCoinFromCoin(sdk.Coin{testDenom1, math.NewInt(5)})
})
s.Require().NotPanics(func() {
sdk.NewDecCoinFromCoin(sdk.Coin{testDenom1, math.NewInt(0)})
})
s.Require().NotPanics(func() {
sdk.NewDecCoinFromCoin(sdk.Coin{strings.ToUpper(testDenom1), math.NewInt(5)})
})
s.Require().Panics(func() {
sdk.NewDecCoinFromCoin(sdk.Coin{testDenom1, math.NewInt(-5)})
})
}
func (s *decCoinTestSuite) TestDecCoinIsPositive() {
dc := sdk.NewInt64DecCoin(testDenom1, 5)
s.Require().True(dc.IsPositive())
dc = sdk.NewInt64DecCoin(testDenom1, 0)
s.Require().False(dc.IsPositive())
}
func (s *decCoinTestSuite) TestAddDecCoin() {
decCoinA1 := sdk.NewDecCoinFromDec(testDenom1, math.LegacyNewDecWithPrec(11, 1))
decCoinA2 := sdk.NewDecCoinFromDec(testDenom1, math.LegacyNewDecWithPrec(22, 1))
decCoinB1 := sdk.NewDecCoinFromDec(testDenom2, math.LegacyNewDecWithPrec(11, 1))
// regular add
res := decCoinA1.Add(decCoinA1)
s.Require().Equal(decCoinA2, res, "sum of coins is incorrect")
// bad denom add
s.Require().Panics(func() {
decCoinA1.Add(decCoinB1)
}, "expected panic on sum of different denoms")
}
func (s *decCoinTestSuite) TestAddDecCoins() {
one := math.LegacyNewDec(1)
zero := math.LegacyNewDec(0)
two := math.LegacyNewDec(2)
cases := []struct {
inputOne sdk.DecCoins
inputTwo sdk.DecCoins
expected sdk.DecCoins
}{
{sdk.DecCoins{{testDenom1, one}, {testDenom2, one}}, sdk.DecCoins{{testDenom1, one}, {testDenom2, one}}, sdk.DecCoins{{testDenom1, two}, {testDenom2, two}}},
{sdk.DecCoins{{testDenom1, zero}, {testDenom2, one}}, sdk.DecCoins{{testDenom1, zero}, {testDenom2, zero}}, sdk.DecCoins{{testDenom2, one}}},
{sdk.DecCoins{{testDenom1, zero}, {testDenom2, zero}}, sdk.DecCoins{{testDenom1, zero}, {testDenom2, zero}}, sdk.DecCoins{}},
}
for tcIndex, tc := range cases {
res := tc.inputOne.Add(tc.inputTwo...)
s.Require().Equal(tc.expected, res, "sum of coins is incorrect, tc #%d", tcIndex)
}
}
func (s *decCoinTestSuite) TestFilteredZeroDecCoins() {
cases := []struct {
name string
input sdk.DecCoins
original string
expected string
panic bool
}{
{
name: "all greater than zero",
input: sdk.DecCoins{
{"testa", math.LegacyNewDec(1)},
{"testb", math.LegacyNewDec(2)},
{"testc", math.LegacyNewDec(3)},
{"testd", math.LegacyNewDec(4)},
{"teste", math.LegacyNewDec(5)},
},
original: "1.000000000000000000testa,2.000000000000000000testb,3.000000000000000000testc,4.000000000000000000testd,5.000000000000000000teste",
expected: "1.000000000000000000testa,2.000000000000000000testb,3.000000000000000000testc,4.000000000000000000testd,5.000000000000000000teste",
panic: false,
},
{
name: "zero coin in middle",
input: sdk.DecCoins{
{"testa", math.LegacyNewDec(1)},
{"testb", math.LegacyNewDec(2)},
{"testc", math.LegacyNewDec(0)},
{"testd", math.LegacyNewDec(4)},
{"teste", math.LegacyNewDec(5)},
},
original: "1.000000000000000000testa,2.000000000000000000testb,0.000000000000000000testc,4.000000000000000000testd,5.000000000000000000teste",
expected: "1.000000000000000000testa,2.000000000000000000testb,4.000000000000000000testd,5.000000000000000000teste",
panic: false,
},
{
name: "zero coin end (unordered)",
input: sdk.DecCoins{
{"teste", math.LegacyNewDec(5)},
{"testc", math.LegacyNewDec(3)},
{"testa", math.LegacyNewDec(1)},
{"testd", math.LegacyNewDec(4)},
{"testb", math.LegacyNewDec(0)},
},
original: "5.000000000000000000teste,3.000000000000000000testc,1.000000000000000000testa,4.000000000000000000testd,0.000000000000000000testb",
expected: "1.000000000000000000testa,3.000000000000000000testc,4.000000000000000000testd,5.000000000000000000teste",
panic: false,
},
{
name: "panic when same denoms in multiple coins",
input: sdk.DecCoins{
{"testa", math.LegacyNewDec(5)},
{"testa", math.LegacyNewDec(3)},
{"testa", math.LegacyNewDec(1)},
{"testd", math.LegacyNewDec(4)},
{"testb", math.LegacyNewDec(2)},
},
original: "5.000000000000000000teste,3.000000000000000000testc,1.000000000000000000testa,4.000000000000000000testd,0.000000000000000000testb",
expected: "1.000000000000000000testa,3.000000000000000000testc,4.000000000000000000testd,5.000000000000000000teste",
panic: true,
},
}
for _, tt := range cases {
if tt.panic {
s.Require().Panics(func() { sdk.NewDecCoins(tt.input...) }, "Should panic due to multiple coins with same denom")
} else {
undertest := sdk.NewDecCoins(tt.input...)
s.Require().Equal(tt.expected, undertest.String(), "NewDecCoins must return expected results")
s.Require().Equal(tt.original, tt.input.String(), "input must be unmodified and match original")
}
}
}
func (s *decCoinTestSuite) TestIsValid() {
tests := []struct {
coin sdk.DecCoin
expectPass bool
msg string
}{
{
sdk.NewDecCoin("mytoken", math.NewInt(10)),
true,
"valid coins should have passed",
},
{
sdk.DecCoin{Denom: "BTC", Amount: math.LegacyNewDec(10)},
true,
"valid uppercase denom",
},
{
sdk.DecCoin{Denom: "Bitcoin", Amount: math.LegacyNewDec(10)},
true,
"valid mixed case denom",
},
{
sdk.DecCoin{Denom: "btc", Amount: math.LegacyNewDec(-10)},
false,
"negative amount",
},
}
for _, tc := range tests {
tc := tc
if tc.expectPass {
s.Require().True(tc.coin.IsValid(), tc.msg)
} else {
s.Require().False(tc.coin.IsValid(), tc.msg)
}
}
}
func (s *decCoinTestSuite) TestSubDecCoin() {
tests := []struct {
coin sdk.DecCoin
expectPass bool
msg string
}{
{
sdk.NewDecCoin("mytoken", math.NewInt(20)),
true,
"valid coins should have passed",
},
{
sdk.NewDecCoin("othertoken", math.NewInt(20)),
false,
"denom mismatch",
},
{
sdk.NewDecCoin("mytoken", math.NewInt(9)),
false,
"negative amount",
},
}
decCoin := sdk.NewDecCoin("mytoken", math.NewInt(10))
for _, tc := range tests {
tc := tc
if tc.expectPass {
equal := tc.coin.Sub(decCoin)
s.Require().Equal(equal, decCoin, tc.msg)
} else {
s.Require().Panics(func() { tc.coin.Sub(decCoin) }, tc.msg)
}
}
}
func (s *decCoinTestSuite) TestSubDecCoins() {
tests := []struct {
coins sdk.DecCoins
expectPass bool
msg string
}{
{
sdk.NewDecCoinsFromCoins(sdk.NewCoin("mytoken", math.NewInt(10)), sdk.NewCoin("btc", math.NewInt(20)), sdk.NewCoin("eth", math.NewInt(30))),
true,
"sorted coins should have passed",
},
{
sdk.DecCoins{sdk.NewDecCoin("mytoken", math.NewInt(10)), sdk.NewDecCoin("btc", math.NewInt(20)), sdk.NewDecCoin("eth", math.NewInt(30))},
false,
"unorted coins should panic",
},
{
sdk.DecCoins{sdk.DecCoin{Denom: "BTC", Amount: math.LegacyNewDec(10)}, sdk.NewDecCoin("eth", math.NewInt(15)), sdk.NewDecCoin("mytoken", math.NewInt(5))},
false,
"invalid denoms",
},
}
decCoins := sdk.NewDecCoinsFromCoins(sdk.NewCoin("btc", math.NewInt(10)), sdk.NewCoin("eth", math.NewInt(15)), sdk.NewCoin("mytoken", math.NewInt(5)))
for _, tc := range tests {
tc := tc
if tc.expectPass {
equal := tc.coins.Sub(decCoins)
s.Require().Equal(equal, decCoins, tc.msg)
} else {
s.Require().Panics(func() { tc.coins.Sub(decCoins) }, tc.msg)
}
}
}
func (s *decCoinTestSuite) TestSortDecCoins() {
good := sdk.DecCoins{
sdk.NewInt64DecCoin("gas", 1),
sdk.NewInt64DecCoin("mineral", 1),
sdk.NewInt64DecCoin("tree", 1),
}
empty := sdk.DecCoins{
sdk.NewInt64DecCoin("gold", 0),
}
badSort1 := sdk.DecCoins{
sdk.NewInt64DecCoin("tree", 1),
sdk.NewInt64DecCoin("gas", 1),
sdk.NewInt64DecCoin("mineral", 1),
}
badSort2 := sdk.DecCoins{ // both are after the first one, but the second and third are in the wrong order
sdk.NewInt64DecCoin("gas", 1),
sdk.NewInt64DecCoin("tree", 1),
sdk.NewInt64DecCoin("mineral", 1),
}
badAmt := sdk.DecCoins{
sdk.NewInt64DecCoin("gas", 1),
sdk.NewInt64DecCoin("tree", 0),
sdk.NewInt64DecCoin("mineral", 1),
}
dup := sdk.DecCoins{
sdk.NewInt64DecCoin("gas", 1),
sdk.NewInt64DecCoin("gas", 1),
sdk.NewInt64DecCoin("mineral", 1),
}
cases := []struct {
name string
coins sdk.DecCoins
before, after bool // valid before/after sort
}{
{"valid coins", good, true, true},
{"empty coins", empty, false, false},
{"unsorted coins (1)", badSort1, false, true},
{"unsorted coins (2)", badSort2, false, true},
{"zero amount coins", badAmt, false, false},
{"duplicate coins", dup, false, false},
}
for _, tc := range cases {
s.Require().Equal(tc.before, tc.coins.IsValid(), "coin validity is incorrect before sorting; %s", tc.name)
tc.coins.Sort()
s.Require().Equal(tc.after, tc.coins.IsValid(), "coin validity is incorrect after sorting; %s", tc.name)
}
}
func (s *decCoinTestSuite) TestDecCoinsValidate() {
testCases := []struct {
input sdk.DecCoins
expectedPass bool
}{
{sdk.DecCoins{}, true},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}}, true},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(100000)}}, true},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(-5)}}, false},
{sdk.DecCoins{sdk.DecCoin{"BTC", math.LegacyNewDec(5)}}, true},
{sdk.DecCoins{sdk.DecCoin{"0BTC", math.LegacyNewDec(5)}}, false},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}, sdk.DecCoin{"B", math.LegacyNewDec(100000)}}, false},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(-100000)}}, false},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(-5)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(100000)}}, false},
{sdk.DecCoins{sdk.DecCoin{"BTC", math.LegacyNewDec(5)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(100000)}}, true},
{sdk.DecCoins{sdk.DecCoin{"0BTC", math.LegacyNewDec(5)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(100000)}}, false},
}
for i, tc := range testCases {
err := tc.input.Validate()
if tc.expectedPass {
s.Require().NoError(err, "unexpected result for test case #%d, input: %v", i, tc.input)
} else {
s.Require().Error(err, "unexpected result for test case #%d, input: %v", i, tc.input)
}
}
}
func (s *decCoinTestSuite) TestParseDecCoins() {
testCases := []struct {
input string
expectedResult sdk.DecCoins
expectedErr bool
}{
{"", nil, false},
{"4stake", sdk.DecCoins{sdk.NewDecCoinFromDec("stake", math.LegacyNewDecFromInt(math.NewInt(4)))}, false},
{"5.5atom", sdk.DecCoins{
sdk.NewDecCoinFromDec("atom", math.LegacyNewDecWithPrec(5500000000000000000, math.LegacyPrecision)),
}, false},
{"5.5atom,4stake", sdk.DecCoins{
sdk.NewDecCoinFromDec("atom", math.LegacyNewDecWithPrec(5500000000000000000, math.LegacyPrecision)),
sdk.NewDecCoinFromDec("stake", math.LegacyNewDec(4)),
}, false},
{"0.0stake", sdk.DecCoins{}, false}, // remove zero coins
{"10.0btc,1.0atom,20.0btc", nil, true},
{
"0.004STAKE",
sdk.DecCoins{sdk.NewDecCoinFromDec("STAKE", math.LegacyNewDecWithPrec(4000000000000000, math.LegacyPrecision))},
false,
},
{
"0.004stake",
sdk.DecCoins{sdk.NewDecCoinFromDec("stake", math.LegacyNewDecWithPrec(4000000000000000, math.LegacyPrecision))},
false,
},
{
"5.04atom,0.004stake",
sdk.DecCoins{
sdk.NewDecCoinFromDec("atom", math.LegacyNewDecWithPrec(5040000000000000000, math.LegacyPrecision)),
sdk.NewDecCoinFromDec("stake", math.LegacyNewDecWithPrec(4000000000000000, math.LegacyPrecision)),
},
false,
},
{
"0.0stake,0.004stake,5.04atom", // remove zero coins
sdk.DecCoins{
sdk.NewDecCoinFromDec("atom", math.LegacyNewDecWithPrec(5040000000000000000, math.LegacyPrecision)),
sdk.NewDecCoinFromDec("stake", math.LegacyNewDecWithPrec(4000000000000000, math.LegacyPrecision)),
},
false,
},
}
for i, tc := range testCases {
res, err := sdk.ParseDecCoins(tc.input)
if tc.expectedErr {
s.Require().Error(err, "expected error for test case #%d, input: %v", i, tc.input)
} else {
s.Require().NoError(err, "unexpected error for test case #%d, input: %v", i, tc.input)
s.Require().Equal(tc.expectedResult, res, "unexpected result for test case #%d, input: %v", i, tc.input)
}
}
}
func (s *decCoinTestSuite) TestDecCoinsString() {
testCases := []struct {
input sdk.DecCoins
expected string
}{
{sdk.DecCoins{}, ""},
{
sdk.DecCoins{
sdk.NewDecCoinFromDec("atom", math.LegacyNewDecWithPrec(5040000000000000000, math.LegacyPrecision)),
sdk.NewDecCoinFromDec("stake", math.LegacyNewDecWithPrec(4000000000000000, math.LegacyPrecision)),
},
"5.040000000000000000atom,0.004000000000000000stake",
},
}
for i, tc := range testCases {
out := tc.input.String()
s.Require().Equal(tc.expected, out, "unexpected result for test case #%d, input: %v", i, tc.input)
}
}
func (s *decCoinTestSuite) TestDecCoinsIntersect() {
testCases := []struct {
input1 string
input2 string
expectedResult string
}{
{"", "", ""},
{"1.0stake", "", ""},
{"1.0stake", "1.0stake", "1.0stake"},
{"", "1.0stake", ""},
{"1.0stake", "", ""},
{"2.0stake,1.0trope", "1.9stake", "1.9stake"},
{"2.0stake,1.0trope", "2.1stake", "2.0stake"},
{"2.0stake,1.0trope", "0.9trope", "0.9trope"},
{"2.0stake,1.0trope", "1.9stake,0.9trope", "1.9stake,0.9trope"},
{"2.0stake,1.0trope", "1.9stake,0.9trope,20.0other", "1.9stake,0.9trope"},
{"2.0stake,1.0trope", "1.0other", ""},
}
for i, tc := range testCases {
in1, err := sdk.ParseDecCoins(tc.input1)
s.Require().NoError(err, "unexpected parse error in %v", i)
in2, err := sdk.ParseDecCoins(tc.input2)
s.Require().NoError(err, "unexpected parse error in %v", i)
exr, err := sdk.ParseDecCoins(tc.expectedResult)
s.Require().NoError(err, "unexpected parse error in %v", i)
s.Require().True(in1.Intersect(in2).Equal(exr), "in1.cap(in2) != exr in %v", i)
}
}
func (s *decCoinTestSuite) TestDecCoinsTruncateDecimal() {
decCoinA := sdk.NewDecCoinFromDec("bar", math.LegacyMustNewDecFromStr("5.41"))
decCoinB := sdk.NewDecCoinFromDec("foo", math.LegacyMustNewDecFromStr("6.00"))
testCases := []struct {
input sdk.DecCoins
truncatedCoins sdk.Coins
changeCoins sdk.DecCoins
}{
{sdk.DecCoins{}, sdk.Coins(nil), sdk.DecCoins(nil)},
{
sdk.DecCoins{decCoinA, decCoinB},
sdk.Coins{sdk.NewInt64Coin(decCoinA.Denom, 5), sdk.NewInt64Coin(decCoinB.Denom, 6)},
sdk.DecCoins{sdk.NewDecCoinFromDec(decCoinA.Denom, math.LegacyMustNewDecFromStr("0.41"))},
},
{
sdk.DecCoins{decCoinB},
sdk.Coins{sdk.NewInt64Coin(decCoinB.Denom, 6)},
sdk.DecCoins(nil),
},
}
for i, tc := range testCases {
truncatedCoins, changeCoins := tc.input.TruncateDecimal()
s.Require().Equal(
tc.truncatedCoins, truncatedCoins,
"unexpected truncated coins; tc #%d, input: %s", i, tc.input,
)
s.Require().Equal(
tc.changeCoins, changeCoins,
"unexpected change coins; tc #%d, input: %s", i, tc.input,
)
}
}
func (s *decCoinTestSuite) TestDecCoinsQuoDecTruncate() {
x := math.LegacyMustNewDecFromStr("1.00")
y := math.LegacyMustNewDecFromStr("10000000000000000000.00")
testCases := []struct {
coins sdk.DecCoins
input math.LegacyDec
result sdk.DecCoins
panics bool
}{
{sdk.DecCoins{}, math.LegacyZeroDec(), sdk.DecCoins(nil), true},
{sdk.DecCoins{sdk.NewDecCoinFromDec("foo", x)}, y, sdk.DecCoins(nil), false},
{sdk.DecCoins{sdk.NewInt64DecCoin("foo", 5)}, math.LegacyNewDec(2), sdk.DecCoins{sdk.NewDecCoinFromDec("foo", math.LegacyMustNewDecFromStr("2.5"))}, false},
}
for i, tc := range testCases {
tc := tc
if tc.panics {
s.Require().Panics(func() { tc.coins.QuoDecTruncate(tc.input) })
} else {
res := tc.coins.QuoDecTruncate(tc.input)
s.Require().Equal(tc.result, res, "unexpected result; tc #%d, coins: %s, input: %s", i, tc.coins, tc.input)
}
}
}
func (s *decCoinTestSuite) TestNewDecCoinsWithIsValid() {
fake1 := append(sdk.NewDecCoins(sdk.NewDecCoin("mytoken", math.NewInt(10))), sdk.DecCoin{Denom: "10BTC", Amount: math.LegacyNewDec(10)})
fake2 := append(sdk.NewDecCoins(sdk.NewDecCoin("mytoken", math.NewInt(10))), sdk.DecCoin{Denom: "BTC", Amount: math.LegacyNewDec(-10)})
tests := []struct {
coin sdk.DecCoins
expectPass bool
msg string
}{
{
sdk.NewDecCoins(sdk.NewDecCoin("mytoken", math.NewInt(10))),
true,
"valid coins should have passed",
},
{
fake1,
false,
"invalid denoms",
},
{
fake2,
false,
"negative amount",
},
}
for _, tc := range tests {
tc := tc
if tc.expectPass {
s.Require().True(tc.coin.IsValid(), tc.msg)
} else {
s.Require().False(tc.coin.IsValid(), tc.msg)
}
}
}
func (s *decCoinTestSuite) TestNewDecCoinsWithZeroCoins() {
zeroCoins := append(sdk.NewCoins(sdk.NewCoin("mytoken", math.NewInt(0))), sdk.Coin{Denom: "wbtc", Amount: math.NewInt(10)})
tests := []struct {
coins sdk.Coins
expectLength int
}{
{
sdk.NewCoins(sdk.NewCoin("mytoken", math.NewInt(10)), sdk.NewCoin("wbtc", math.NewInt(10))),
2,
},
{
zeroCoins,
1,
},
}
for _, tc := range tests {
tc := tc
s.Require().Equal(sdk.NewDecCoinsFromCoins(tc.coins...).Len(), tc.expectLength)
}
}
func (s *decCoinTestSuite) TestDecCoins_AddDecCoinWithIsValid() {
lengthTestDecCoins := sdk.NewDecCoins().Add(sdk.NewDecCoin("mytoken", math.NewInt(10))).Add(sdk.DecCoin{Denom: "BTC", Amount: math.LegacyNewDec(10)})
s.Require().Equal(2, len(lengthTestDecCoins), "should be 2")
tests := []struct {
coin sdk.DecCoins
expectPass bool
msg string
}{
{
sdk.NewDecCoins().Add(sdk.NewDecCoin("mytoken", math.NewInt(10))),
true,
"valid coins should have passed",
},
{
sdk.NewDecCoins().Add(sdk.NewDecCoin("mytoken", math.NewInt(10))).Add(sdk.DecCoin{Denom: "0BTC", Amount: math.LegacyNewDec(10)}),
false,
"invalid denoms",
},
{
sdk.NewDecCoins().Add(sdk.NewDecCoin("mytoken", math.NewInt(10))).Add(sdk.DecCoin{Denom: "BTC", Amount: math.LegacyNewDec(-10)}),
false,
"negative amount",
},
}
for _, tc := range tests {
tc := tc
if tc.expectPass {
s.Require().True(tc.coin.IsValid(), tc.msg)
} else {
s.Require().False(tc.coin.IsValid(), tc.msg)
}
}
}
func (s *decCoinTestSuite) TestDecCoins_Empty() {
testCases := []struct {
input sdk.DecCoins
expectedResult bool
msg string
}{
{sdk.DecCoins{}, true, "No coins as expected."},
{sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}}, false, "DecCoins is not empty"},
}
for _, tc := range testCases {
if tc.expectedResult {
s.Require().True(tc.input.Empty(), tc.msg)
} else {
s.Require().False(tc.input.Empty(), tc.msg)
}
}
}
func (s *decCoinTestSuite) TestDecCoins_GetDenomByIndex() {
testCases := []struct {
name string
input sdk.DecCoins
index int
expectedResult string
expectedErr bool
}{
{
"No DecCoins in Slice",
sdk.DecCoins{},
0,
"",
true,
},
{"When index out of bounds", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}}, 2, "", true},
{"When negative index", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}}, -1, "", true},
{
"Appropriate index case",
sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(5)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(57)},
},
1, testDenom2, false,
},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
if tc.expectedErr {
s.Require().Panics(func() { tc.input.GetDenomByIndex(tc.index) }, "Test should have panicked")
} else {
res := tc.input.GetDenomByIndex(tc.index)
s.Require().Equal(tc.expectedResult, res, "Unexpected result for test case #%d, expected output: %s, input: %v", i, tc.expectedResult, tc.input)
}
})
}
}
func (s *decCoinTestSuite) TestDecCoins_IsAllPositive() {
testCases := []struct {
name string
input sdk.DecCoins
expectedResult bool
}{
{"No Coins", sdk.DecCoins{}, false},
{"One Coin - Zero value", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(0)}}, false},
{"One Coin - Positive value", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}}, true},
{"One Coin - Negative value", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(-15)}}, false},
{"Multiple Coins - All positive value", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(51)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(123)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(50)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(92233720)},
}, true},
{"Multiple Coins - Some negative value", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(51)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(-123)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(92233720)},
}, false},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
if tc.expectedResult {
s.Require().True(tc.input.IsAllPositive(), "Test case #%d: %s", i, tc.name)
} else {
s.Require().False(tc.input.IsAllPositive(), "Test case #%d: %s", i, tc.name)
}
})
}
}
func (s *decCoinTestSuite) TestDecCoin_IsLT() {
testCases := []struct {
name string
coin sdk.DecCoin
otherCoin sdk.DecCoin
expectedResult bool
expectedPanic bool
}{
{"Same Denom - Less than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(3)}, sdk.DecCoin{testDenom1, math.LegacyNewDec(19)}, true, false},
{"Same Denom - Greater than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(343340)}, sdk.DecCoin{testDenom1, math.LegacyNewDec(14)}, false, false},
{"Same Denom - Same as other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(20)}, sdk.DecCoin{testDenom1, math.LegacyNewDec(20)}, false, false},
{"Different Denom - Less than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(3)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(19)}, true, true},
{"Different Denom - Greater than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(343340)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(14)}, true, true},
{"Different Denom - Same as other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(20)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(20)}, true, true},
}
for i, tc := range testCases {
s.T().Run(tc.name, func(t *testing.T) {
if tc.expectedPanic {
s.Require().Panics(func() { tc.coin.IsLT(tc.otherCoin) }, "Test case #%d: %s", i, tc.name)
} else {
res := tc.coin.IsLT(tc.otherCoin)
if tc.expectedResult {
s.Require().True(res, "Test case #%d: %s", i, tc.name)
} else {
s.Require().False(res, "Test case #%d: %s", i, tc.name)
}
}
})
}
}
func (s *decCoinTestSuite) TestDecCoin_IsGTE() {
testCases := []struct {
name string
coin sdk.DecCoin
otherCoin sdk.DecCoin
expectedResult bool
expectedPanic bool
}{
{"Same Denom - Less than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(3)}, sdk.DecCoin{testDenom1, math.LegacyNewDec(19)}, false, false},
{"Same Denom - Greater than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(343340)}, sdk.DecCoin{testDenom1, math.LegacyNewDec(14)}, true, false},
{"Same Denom - Same as other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(20)}, sdk.DecCoin{testDenom1, math.LegacyNewDec(20)}, true, false},
{"Different Denom - Less than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(3)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(19)}, true, true},
{"Different Denom - Greater than other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(343340)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(14)}, true, true},
{"Different Denom - Same as other coin", sdk.DecCoin{testDenom1, math.LegacyNewDec(20)}, sdk.DecCoin{testDenom2, math.LegacyNewDec(20)}, true, true},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
if tc.expectedPanic {
s.Require().Panics(func() { tc.coin.IsGTE(tc.otherCoin) }, "Test case #%d: %s", i, tc.name)
} else {
res := tc.coin.IsGTE(tc.otherCoin)
if tc.expectedResult {
s.Require().True(res, "Test case #%d: %s", i, tc.name)
} else {
s.Require().False(res, "Test case #%d: %s", i, tc.name)
}
}
})
}
}
func (s *decCoinTestSuite) TestDecCoins_IsZero() {
testCases := []struct {
name string
coins sdk.DecCoins
expectedResult bool
}{
{"No Coins", sdk.DecCoins{}, true},
{"One Coin - Zero value", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(0)}}, true},
{"One Coin - Positive value", sdk.DecCoins{sdk.DecCoin{testDenom1, math.LegacyNewDec(5)}}, false},
{"Multiple Coins - All zero value", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
}, true},
{"Multiple Coins - Some positive value", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(0)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(92233720)},
}, false},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
if tc.expectedResult {
s.Require().True(tc.coins.IsZero(), "Test case #%d: %s", i, tc.name)
} else {
s.Require().False(tc.coins.IsZero(), "Test case #%d: %s", i, tc.name)
}
})
}
}
func (s *decCoinTestSuite) TestDecCoins_MulDec() {
testCases := []struct {
name string
coins sdk.DecCoins
multiplier math.LegacyDec
expectedResult sdk.DecCoins
}{
{"No Coins", sdk.DecCoins{}, math.LegacyNewDec(1), sdk.DecCoins(nil)},
{"Multiple coins - zero multiplier", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(10)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(30)},
}, math.LegacyNewDec(0), sdk.DecCoins(nil)},
{"Multiple coins - positive multiplier", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(1)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(2)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(3)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(4)},
}, math.LegacyNewDec(2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(20)},
}},
{"Multiple coins - negative multiplier", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(1)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(2)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(3)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(4)},
}, math.LegacyNewDec(-2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(-20)},
}},
{"Multiple coins - Different denom", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(1)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(2)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(3)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(4)},
}, math.LegacyNewDec(2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(8)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(12)},
}},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
res := tc.coins.MulDec(tc.multiplier)
s.Require().Equal(tc.expectedResult, res, "Test case #%d: %s", i, tc.name)
})
}
}
func (s *decCoinTestSuite) TestDecCoins_MulDecTruncate() {
testCases := []struct {
name string
coins sdk.DecCoins
multiplier math.LegacyDec
expectedResult sdk.DecCoins
expectedPanic bool
}{
{"No Coins", sdk.DecCoins{}, math.LegacyNewDec(1), sdk.DecCoins(nil), false},
{"Multiple coins - zero multiplier", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(10, 3)},
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(30, 2)},
}, math.LegacyNewDec(0), sdk.DecCoins{}, false},
{"Multiple coins - positive multiplier", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(15, 1)},
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(15, 1)},
}, math.LegacyNewDec(1), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(3, 0)},
}, false},
{"Multiple coins - positive multiplier", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(15, 1)},
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(15, 1)},
}, math.LegacyNewDec(-2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(-6, 0)},
}, false},
{"Multiple coins - Different denom", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(15, 1)},
sdk.DecCoin{testDenom2, math.LegacyNewDecWithPrec(3333, 4)},
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(15, 1)},
sdk.DecCoin{testDenom2, math.LegacyNewDecWithPrec(333, 4)},
}, math.LegacyNewDec(10), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(30, 0)},
sdk.DecCoin{testDenom2, math.LegacyNewDecWithPrec(3666, 3)},
}, false},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
if tc.expectedPanic {
s.Require().Panics(func() { tc.coins.MulDecTruncate(tc.multiplier) }, "Test case #%d: %s", i, tc.name)
} else {
res := tc.coins.MulDecTruncate(tc.multiplier)
s.Require().Equal(tc.expectedResult, res, "Test case #%d: %s", i, tc.name)
}
})
}
}
func (s *decCoinTestSuite) TestDecCoins_QuoDec() {
testCases := []struct {
name string
coins sdk.DecCoins
input math.LegacyDec
expectedResult sdk.DecCoins
panics bool
}{
{"No Coins", sdk.DecCoins{}, math.LegacyNewDec(1), sdk.DecCoins(nil), false},
{"Multiple coins - zero input", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(10)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(30)},
}, math.LegacyNewDec(0), sdk.DecCoins(nil), true},
{"Multiple coins - positive input", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(3)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(4)},
}, math.LegacyNewDec(2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(35, 1)},
}, false},
{"Multiple coins - negative input", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(3)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(4)},
}, math.LegacyNewDec(-2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDecWithPrec(-35, 1)},
}, false},
{"Multiple coins - Different input", sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(1)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(2)},
sdk.DecCoin{testDenom1, math.LegacyNewDec(3)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(4)},
}, math.LegacyNewDec(2), sdk.DecCoins{
sdk.DecCoin{testDenom1, math.LegacyNewDec(2)},
sdk.DecCoin{testDenom2, math.LegacyNewDec(3)},
}, false},
}
for i, tc := range testCases {
tc := tc
s.T().Run(tc.name, func(t *testing.T) {
if tc.panics {
s.Require().Panics(func() { tc.coins.QuoDec(tc.input) }, "Test case #%d: %s", i, tc.name)
} else {
res := tc.coins.QuoDec(tc.input)