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array_wrappervalue_test.go
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/*
* Atree - Scalable Arrays and Ordered Maps
*
* Copyright Flow Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package atree_test
import (
"fmt"
"math"
"math/rand"
"runtime"
"sort"
"testing"
"github.com/stretchr/testify/require"
"github.com/onflow/atree"
"github.com/onflow/atree/test_utils"
)
func newWrapperValue(
nestedLevels int,
wrappedValue atree.Value,
expectedWrappedValue atree.Value,
) (wrapperValue atree.Value, expectedWrapperValue atree.Value) {
wrapperValue = test_utils.NewSomeValue(wrappedValue)
expectedWrapperValue = test_utils.NewExpectedWrapperValue(expectedWrappedValue)
for i := 1; i < nestedLevels; i++ {
wrapperValue = test_utils.NewSomeValue(wrapperValue)
expectedWrapperValue = test_utils.NewExpectedWrapperValue(expectedWrapperValue)
}
return
}
func getWrappedValue(t *testing.T, v atree.Value, expected atree.Value) (atree.Value, atree.Value) {
for {
sw, vIsSomeValue := v.(test_utils.SomeValue)
esw, expectedIsSomeValue := expected.(test_utils.ExpectedWrapperValue)
require.Equal(t, vIsSomeValue, expectedIsSomeValue)
if !vIsSomeValue {
break
}
v = sw.Value
expected = esw.Value
}
return v, expected
}
type newValueFunc func(atree.SlabStorage) (value atree.Value, expected atree.Value)
var nilValueFunc = func() newValueFunc {
return func(_ atree.SlabStorage) (atree.Value, atree.Value) {
return nil, nil
}
}
var newWrapperValueFunc = func(
nestedLevels int,
newWrappedValue newValueFunc,
) newValueFunc {
return func(storage atree.SlabStorage) (value atree.Value, expected atree.Value) {
wrappedValue, expectedWrappedValue := newWrappedValue(storage)
return newWrapperValue(nestedLevels, wrappedValue, expectedWrappedValue)
}
}
var newRandomUint64ValueFunc = func(r *rand.Rand) newValueFunc {
return func(atree.SlabStorage) (value atree.Value, expected atree.Value) {
v := test_utils.Uint64Value(r.Intn(1844674407370955161))
return v, v
}
}
var newArrayValueFunc = func(
t *testing.T,
address atree.Address,
typeInfo atree.TypeInfo,
arrayCount int,
newValue newValueFunc,
) newValueFunc {
return func(storage atree.SlabStorage) (value atree.Value, expected atree.Value) {
array, err := atree.NewArray(storage, address, typeInfo)
require.NoError(t, err)
expectedValues := make([]atree.Value, arrayCount)
for i := 0; i < arrayCount; i++ {
v, expectedV := newValue(storage)
err := array.Append(v)
require.NoError(t, err)
expectedValues[i] = expectedV
}
return array, test_utils.ExpectedArrayValue(expectedValues)
}
}
type modifyValueFunc func(atree.SlabStorage, atree.Value, atree.Value) (value atree.Value, expected atree.Value, err error)
var replaceWithNewValueFunc = func(newValue newValueFunc) modifyValueFunc {
return func(storage atree.SlabStorage, _ atree.Value, _ atree.Value) (atree.Value, atree.Value, error) {
v, expected := newValue(storage)
return v, expected, nil
}
}
var modifyRandomUint64ValueFunc = func(r *rand.Rand) modifyValueFunc {
return replaceWithNewValueFunc(newRandomUint64ValueFunc(r))
}
var modifyWrapperValueFunc = func(
t *testing.T,
nestedLevels int,
modifyWrappedValue modifyValueFunc,
) modifyValueFunc {
return func(
storage atree.SlabStorage,
v atree.Value,
expected atree.Value,
) (modifiedValue atree.Value, expectedModifiedValue atree.Value, err error) {
wrappedValue, expectedWrappedValue := getWrappedValue(t, v, expected)
newWrappedValue, expectedNewWrappedValue, err := modifyWrappedValue(storage, wrappedValue, expectedWrappedValue)
if err != nil {
return nil, nil, err
}
newWrapperValue, expectedNewWrapperValue := newWrapperValue(nestedLevels, newWrappedValue, expectedNewWrappedValue)
return newWrapperValue, expectedNewWrapperValue, nil
}
}
var modifyArrayValueFunc = func(
t *testing.T,
needToResetModifiedValue bool,
modifyValueFunc modifyValueFunc,
) modifyValueFunc {
return func(
storage atree.SlabStorage,
originalValue atree.Value,
expectedOrigianlValue atree.Value,
) (
modifiedValue atree.Value,
expectedModifiedValue atree.Value,
err error,
) {
array, ok := originalValue.(*atree.Array)
require.True(t, ok)
expectedValues, ok := expectedOrigianlValue.(test_utils.ExpectedArrayValue)
require.True(t, ok)
require.Equal(t, uint64(len(expectedValues)), array.Count())
require.True(t, array.Count() > 0)
// Modify first element
index := 0
v, err := array.Get(uint64(index))
require.NoError(t, err)
modifiedV, expectedModifiedV, err := modifyValueFunc(storage, v, expectedValues[index])
if err != nil {
return nil, nil, err
}
if modifiedV == nil {
existingStorable, err := array.Remove(uint64(index))
if err != nil {
return nil, nil, err
}
require.NotNil(t, existingStorable)
// Verify wrapped storable doesn't contain inlined slab
wrappedStorable := atree.UnwrapStorable(existingStorable)
var removedSlabID atree.SlabID
switch wrappedStorable := wrappedStorable.(type) {
case atree.ArraySlab, atree.MapSlab:
require.Fail(t, "removed storable shouldn't be (wrapped) atree.ArraySlab or atree.MapSlab: %s", existingStorable)
case atree.SlabIDStorable:
removedSlabID = atree.SlabID(wrappedStorable)
// Verify SlabID has the same address
require.Equal(t, array.Address(), removedSlabID.Address())
}
existingValue, err := existingStorable.StoredValue(storage)
require.NoError(t, err)
testValueEqual(t, expectedValues[index], existingValue)
// Remove slabs from storage
if removedSlabID != atree.SlabIDUndefined {
err = storage.Remove(removedSlabID)
require.NoError(t, err)
}
expectedValues = append(expectedValues[:index], expectedValues[index+1:]...)
} else {
if needToResetModifiedValue {
existingStorable, err := array.Set(uint64(index), modifiedV)
if err != nil {
return nil, nil, err
}
require.NotNil(t, existingStorable)
// Verify wrapped storable doesn't contain inlined slab
wrappedStorable := atree.UnwrapStorable(existingStorable)
var overwrittenSlabID atree.SlabID
switch wrappedStorable := wrappedStorable.(type) {
case atree.ArraySlab, atree.MapSlab:
require.Fail(t, "overwritten storable shouldn't be (wrapped) atree.ArraySlab or atree.MapSlab: %s", existingStorable)
case atree.SlabIDStorable:
overwrittenSlabID = atree.SlabID(wrappedStorable)
// Verify SlabID has the same address
require.Equal(t, array.Address(), overwrittenSlabID.Address())
}
existingValue, err := existingStorable.StoredValue(storage)
require.NoError(t, err)
testValueEqual(t, expectedValues[index], existingValue)
if overwrittenSlabID != atree.SlabIDUndefined {
// Remove slabs from storage given we are not interested in removed element
err = storage.Remove(overwrittenSlabID)
require.NoError(t, err)
}
expectedValues[index] = expectedModifiedV
}
}
return array, expectedValues, nil
}
}
type arrayWrapperValueTestCase struct {
name string
modifyName string
wrapperValueNestedLevels int
mustSetModifiedElementInArray bool
newElement newValueFunc
modifyElement modifyValueFunc
}
func newArrayWrapperValueTestCases(
t *testing.T,
r *rand.Rand,
address atree.Address,
typeInfo atree.TypeInfo,
) []arrayWrapperValueTestCase {
return []arrayWrapperValueTestCase{
// Test arrays [SomeValue(uint64)]
{
name: "[SomeValue(uint64)]",
modifyName: "modify wrapped primitive",
wrapperValueNestedLevels: 1,
mustSetModifiedElementInArray: true,
newElement: newWrapperValueFunc(1, newRandomUint64ValueFunc(r)),
modifyElement: modifyWrapperValueFunc(t, 1, modifyRandomUint64ValueFunc(r)),
},
// Test arrays [SomeValue(SomeValue(uint64))]
{
name: "[SomeValue(SomeValue(uint64))]",
modifyName: "modify wrapped primitive",
wrapperValueNestedLevels: 2,
mustSetModifiedElementInArray: true,
newElement: newWrapperValueFunc(2, newRandomUint64ValueFunc(r)),
modifyElement: modifyWrapperValueFunc(t, 2, modifyRandomUint64ValueFunc(r)),
},
// Test arrays [SomeValue([uint64]))]
{
name: "[SomeValue([uint64])]",
modifyName: "modify wrapped array",
wrapperValueNestedLevels: 1,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(1, newArrayValueFunc(t, address, typeInfo, 2, newRandomUint64ValueFunc(r))),
modifyElement: modifyWrapperValueFunc(t, 1, modifyArrayValueFunc(t, true, modifyRandomUint64ValueFunc(r))),
},
// Test arrays [SomeValue(SomeValue([uint64])))]
{
name: "[SomeValue(SomeValue([uint64]))]",
modifyName: "modify wrapped array",
wrapperValueNestedLevels: 2,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(2, newArrayValueFunc(t, address, typeInfo, 2, newRandomUint64ValueFunc(r))),
modifyElement: modifyWrapperValueFunc(t, 2, modifyArrayValueFunc(t, true, modifyRandomUint64ValueFunc(r))),
},
// Test arrays [SomeValue([SomeValue(uint64)]))]
{
name: "[SomeValue([SomeValue(uint64)])]",
modifyName: "modify wrapped array",
wrapperValueNestedLevels: 1,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(1, newArrayValueFunc(t, address, typeInfo, 2, newWrapperValueFunc(1, newRandomUint64ValueFunc(r)))),
modifyElement: modifyWrapperValueFunc(t, 1, modifyArrayValueFunc(t, true, modifyWrapperValueFunc(t, 1, modifyRandomUint64ValueFunc(r)))),
},
// Test arrays [SomeValue(SomeValue([SomeValue(SomeValue(uint64))])))]
{
name: "[SomeValue(SomeValue([SomeValue(SomeValue(uint64))]))]",
modifyName: "modify wrapped array",
wrapperValueNestedLevels: 2,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(2, newArrayValueFunc(t, address, typeInfo, 2, newWrapperValueFunc(2, newRandomUint64ValueFunc(r)))),
modifyElement: modifyWrapperValueFunc(t, 2, modifyArrayValueFunc(t, true, modifyWrapperValueFunc(t, 2, modifyRandomUint64ValueFunc(r)))),
},
// Test arrays [SomeValue([SomeValue([SomeValue(uint64)])]))] and modify innermost array
{
name: "[SomeValue([SomeValue([SomeValue(uint64)])])]",
modifyName: "modify wrapped level-2 array",
wrapperValueNestedLevels: 1,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newRandomUint64ValueFunc(r)))))),
modifyElement: modifyWrapperValueFunc(
t,
1,
modifyArrayValueFunc(
t,
false,
modifyWrapperValueFunc(
t,
1,
modifyArrayValueFunc(
t,
true,
modifyWrapperValueFunc(
t,
1,
modifyRandomUint64ValueFunc(r)))))),
},
// Test arrays [SomeValue([SomeValue([SomeValue(uint64)])]))] and remove element from middle array
{
name: "[SomeValue([SomeValue([SomeValue(uint64)])])]",
modifyName: "remove element from wrapped level-1 array",
wrapperValueNestedLevels: 1,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newRandomUint64ValueFunc(r)))))),
modifyElement: modifyWrapperValueFunc(
t,
1,
modifyArrayValueFunc(
t,
true,
replaceWithNewValueFunc(nilValueFunc()))),
},
{
name: "[SomeValue([SomeValue([SomeValue(uint64)])])]",
modifyName: "modify element in wrapped level-1 array",
wrapperValueNestedLevels: 1,
mustSetModifiedElementInArray: false,
newElement: newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newRandomUint64ValueFunc(r)))))),
modifyElement: modifyWrapperValueFunc(
t,
1,
modifyArrayValueFunc(
t,
true,
replaceWithNewValueFunc(
newWrapperValueFunc(
1,
newArrayValueFunc(
t,
address,
typeInfo,
2,
newWrapperValueFunc(
1,
newRandomUint64ValueFunc(r))))))),
},
}
}
// TestArrayWrapperValueAppendAndModify tests
// - appending WrapperValue to array
// - retrieveing WrapperValue from array
// - modifing retrieved WrapperValue
func TestArrayWrapperValueAppendAndModify(t *testing.T) {
atree.SetThreshold(256)
defer atree.SetThreshold(1024)
r := newRand(t)
typeInfo := test_utils.NewSimpleTypeInfo(42)
address := atree.Address{1, 2, 3, 4, 5, 6, 7, 8}
const (
smallArrayCount = 10
largeArrayCount = 512
)
arrayCountTestCases := []struct {
name string
arrayCount int
}{
{name: "small array", arrayCount: smallArrayCount},
{name: "large array", arrayCount: largeArrayCount},
}
testCases := newArrayWrapperValueTestCases(t, r, address, typeInfo)
for _, tc := range testCases {
for _, arrayCountTestCase := range arrayCountTestCases {
arrayCount := arrayCountTestCase.arrayCount
name := arrayCountTestCase.name + " " + tc.name
if tc.modifyName != "" {
name += ", " + tc.modifyName
}
t.Run(name, func(t *testing.T) {
storage := newTestPersistentStorage(t)
array, err := atree.NewArray(storage, address, typeInfo)
require.NoError(t, err)
arraySlabID := array.SlabID()
// Append WrapperValue to array
expectedValues := make([]atree.Value, arrayCount)
for i := 0; i < arrayCount; i++ {
v, expectedV := tc.newElement(storage)
err := array.Append(v)
require.NoError(t, err)
expectedValues[i] = expectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Retrieve and modify WrapperValue from array
for i := uint64(0); i < array.Count(); i++ {
v, err := array.Get(i)
require.NoError(t, err)
expected := expectedValues[i]
testValueEqual(t, expected, v)
// Verify that v is WrapperValue
testWrapperValueLevels(t, tc.wrapperValueNestedLevels, v)
// Modify element
newV, newExpectedV, err := tc.modifyElement(storage, v, expected)
require.NoError(t, err)
if tc.mustSetModifiedElementInArray {
testSetElementInArray(t, storage, array, i, newV, expected)
}
expectedValues[i] = newExpectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Commit storage
err = storage.FastCommit(runtime.NumCPU())
require.NoError(t, err)
// Load array from encoded data
storage2 := newTestPersistentStorageWithBaseStorage(t, atree.GetBaseStorage(storage))
array2, err := atree.NewArrayWithRootID(storage2, arraySlabID)
require.NoError(t, err)
require.Equal(t, uint64(arrayCount), array2.Count())
// Test loaded array
testArray(t, storage2, typeInfo, address, array2, expectedValues, true)
})
}
}
}
// TestArrayWrapperValueInsertAndModify tests
// - inserting WrapperValue (in reverse order) to array
// - retrieving WrapperValue from array
// - modifing retrieved WrapperValue
func TestArrayWrapperValueInsertAndModify(t *testing.T) {
atree.SetThreshold(256)
defer atree.SetThreshold(1024)
r := newRand(t)
typeInfo := test_utils.NewSimpleTypeInfo(42)
address := atree.Address{1, 2, 3, 4, 5, 6, 7, 8}
const (
smallArrayCount = 10
largeArrayCount = 512
)
arrayCountTestCases := []struct {
name string
arrayCount int
}{
{name: "small array", arrayCount: smallArrayCount},
{name: "large array", arrayCount: largeArrayCount},
}
testCases := newArrayWrapperValueTestCases(t, r, address, typeInfo)
for _, tc := range testCases {
for _, arrayCountTestCase := range arrayCountTestCases {
arrayCount := arrayCountTestCase.arrayCount
name := arrayCountTestCase.name + " " + tc.name
if tc.modifyName != "" {
name += "," + tc.modifyName
}
t.Run(name, func(t *testing.T) {
storage := newTestPersistentStorage(t)
array, err := atree.NewArray(storage, address, typeInfo)
require.NoError(t, err)
arraySlabID := array.SlabID()
// Insert WrapperValue in reverse order to array
expectedValues := make([]atree.Value, arrayCount)
for i := arrayCount - 1; i >= 0; i-- {
v, expectedV := tc.newElement(storage)
err := array.Insert(0, v)
require.NoError(t, err)
expectedValues[i] = expectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Retrieve and modify WrapperValue from array
for i := uint64(0); i < array.Count(); i++ {
v, err := array.Get(i)
require.NoError(t, err)
expected := expectedValues[i]
testValueEqual(t, expected, v)
// Verify that v is WrapperValue
testWrapperValueLevels(t, tc.wrapperValueNestedLevels, v)
// Modify element
newV, newExpectedV, err := tc.modifyElement(storage, v, expected)
require.NoError(t, err)
if tc.mustSetModifiedElementInArray {
testSetElementInArray(t, storage, array, i, newV, expected)
}
expectedValues[i] = newExpectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Commit storage
err = storage.FastCommit(runtime.NumCPU())
require.NoError(t, err)
// Load array from encoded data
storage2 := newTestPersistentStorageWithBaseStorage(t, atree.GetBaseStorage(storage))
array2, err := atree.NewArrayWithRootID(storage2, arraySlabID)
require.NoError(t, err)
require.Equal(t, uint64(arrayCount), array2.Count())
// Test loaded array
testArray(t, storage2, typeInfo, address, array2, expectedValues, true)
})
}
}
}
// TestArrayWrapperValueSetAndModify tests
// - inserting WrapperValue to array
// - retrieving WrapperValue from array
// - modifing retrieved WrapperValue
// - setting modified WrapperValue
func TestArrayWrapperValueSetAndModify(t *testing.T) {
atree.SetThreshold(256)
defer atree.SetThreshold(1024)
r := newRand(t)
typeInfo := test_utils.NewSimpleTypeInfo(42)
address := atree.Address{1, 2, 3, 4, 5, 6, 7, 8}
const (
smallArrayCount = 10
largeArrayCount = 512
)
arrayCountTestCases := []struct {
name string
arrayCount int
}{
{name: "small array", arrayCount: smallArrayCount},
{name: "large array", arrayCount: largeArrayCount},
}
testCases := newArrayWrapperValueTestCases(t, r, address, typeInfo)
for _, tc := range testCases {
for _, arrayCountTestCase := range arrayCountTestCases {
arrayCount := arrayCountTestCase.arrayCount
name := arrayCountTestCase.name + " " + tc.name
if tc.modifyName != "" {
name += "," + tc.modifyName
}
t.Run(name, func(t *testing.T) {
storage := newTestPersistentStorage(t)
array, err := atree.NewArray(storage, address, typeInfo)
require.NoError(t, err)
arraySlabID := array.SlabID()
// Insert WrapperValue to array
expectedValues := make([]atree.Value, arrayCount)
for i := 0; i < arrayCount; i++ {
v, expectedV := tc.newElement(storage)
err := array.Insert(array.Count(), v)
require.NoError(t, err)
expectedValues[i] = expectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Set new WrapperValue in array
for i := 0; i < arrayCount; i++ {
v, expected := tc.newElement(storage)
testSetElementInArray(t, storage, array, uint64(i), v, expectedValues[i])
expectedValues[i] = expected
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Retrieve and modify WrapperValue from array
for i := uint64(0); i < array.Count(); i++ {
v, err := array.Get(i)
require.NoError(t, err)
expected := expectedValues[i]
testValueEqual(t, expected, v)
// Verify that v is WrapperValue
testWrapperValueLevels(t, tc.wrapperValueNestedLevels, v)
// Modify element
newV, newExpectedV, err := tc.modifyElement(storage, v, expected)
require.NoError(t, err)
if tc.mustSetModifiedElementInArray {
testSetElementInArray(t, storage, array, i, newV, expected)
}
expectedValues[i] = newExpectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Commit storage
err = storage.FastCommit(runtime.NumCPU())
require.NoError(t, err)
// Load array from encoded data
storage2 := newTestPersistentStorageWithBaseStorage(t, atree.GetBaseStorage(storage))
array2, err := atree.NewArrayWithRootID(storage2, arraySlabID)
require.NoError(t, err)
require.Equal(t, uint64(arrayCount), array2.Count())
// Test loaded array
testArray(t, storage2, typeInfo, address, array2, expectedValues, true)
})
}
}
}
// TestArrayWrapperValueInsertAndRemove tests
// - inserting WrapperValue to array
// - remove all elements
// - also test setting new elements before removal
func TestArrayWrapperValueInsertAndRemove(t *testing.T) {
atree.SetThreshold(256)
defer atree.SetThreshold(1024)
r := newRand(t)
typeInfo := test_utils.NewSimpleTypeInfo(42)
address := atree.Address{1, 2, 3, 4, 5, 6, 7, 8}
const (
smallArrayCount = 10
largeArrayCount = 512
)
arrayCountTestCases := []struct {
name string
arrayCount int
}{
{name: "small array", arrayCount: smallArrayCount},
{name: "large array", arrayCount: largeArrayCount},
}
modifyTestCases := []struct {
name string
needToModifyElement bool
}{
{name: "modify elements", needToModifyElement: true},
{name: "", needToModifyElement: false},
}
removeTestCases := []struct {
name string
removeAllElements bool
removeElementCount int
}{
{name: "remove all elements", removeAllElements: true},
{name: "remove 1 element", removeElementCount: 1},
{name: fmt.Sprintf("remove %d element", smallArrayCount/2), removeElementCount: smallArrayCount / 2},
}
testCases := newArrayWrapperValueTestCases(t, r, address, typeInfo)
for _, tc := range testCases {
for _, arrayCountTestCase := range arrayCountTestCases {
for _, modifyTestCase := range modifyTestCases {
for _, removeTestCase := range removeTestCases {
arrayCount := arrayCountTestCase.arrayCount
needToModifyElement := modifyTestCase.needToModifyElement
removeCount := removeTestCase.removeElementCount
if removeTestCase.removeAllElements {
removeCount = arrayCount
}
name := arrayCountTestCase.name + " " + tc.name
if modifyTestCase.needToModifyElement {
name += ", " + tc.modifyName
}
if removeTestCase.name != "" {
name += ", " + removeTestCase.name
}
t.Run(name, func(t *testing.T) {
storage := newTestPersistentStorage(t)
array, err := atree.NewArray(storage, address, typeInfo)
require.NoError(t, err)
arraySlabID := array.SlabID()
// Insert WrapperValue to array
expectedValues := make([]atree.Value, arrayCount)
for i := 0; i < arrayCount; i++ {
v, expectedV := tc.newElement(storage)
err := array.Insert(array.Count(), v)
require.NoError(t, err)
expectedValues[i] = expectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Retrieve and modify WrapperValue from array
if needToModifyElement {
for i := uint64(0); i < array.Count(); i++ {
v, err := array.Get(i)
require.NoError(t, err)
expected := expectedValues[i]
testValueEqual(t, expected, v)
// Verify that v is WrapperValue
testWrapperValueLevels(t, tc.wrapperValueNestedLevels, v)
// Modify element
newV, newExpectedV, err := tc.modifyElement(storage, v, expected)
require.NoError(t, err)
if tc.mustSetModifiedElementInArray {
testSetElementInArray(t, storage, array, i, newV, expected)
}
expectedValues[i] = newExpectedV
}
require.Equal(t, uint64(arrayCount), array.Count())
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
}
// Remove random elements
for i := 0; i < removeCount; i++ {
removeIndex := r.Intn(int(array.Count()))
testRemoveElementFromArray(t, storage, array, uint64(removeIndex), expectedValues[removeIndex])
expectedValues = append(expectedValues[:removeIndex], expectedValues[removeIndex+1:]...)
}
require.Equal(t, uint64(arrayCount-removeCount), array.Count())
require.Equal(t, arrayCount-removeCount, len(expectedValues))
testArrayMutableElementIndex(t, array)
testArray(t, storage, typeInfo, address, array, expectedValues, true)
// Commit storage
err = storage.FastCommit(runtime.NumCPU())
require.NoError(t, err)
// Load array from encoded data
storage2 := newTestPersistentStorageWithBaseStorage(t, atree.GetBaseStorage(storage))
array2, err := atree.NewArrayWithRootID(storage2, arraySlabID)
require.NoError(t, err)
require.Equal(t, uint64(arrayCount-removeCount), array2.Count())
// Test loaded array
testArray(t, storage2, typeInfo, address, array2, expectedValues, true)
})
}
}
}
}
}
// TestArrayWrapperValueSetAndRemove tests
// - inserting WrapperValue to array
// - remove all elements
// - also test setting new elements before removal
func TestArrayWrapperValueSetAndRemove(t *testing.T) {
atree.SetThreshold(256)
defer atree.SetThreshold(1024)
r := newRand(t)
typeInfo := test_utils.NewSimpleTypeInfo(42)
address := atree.Address{1, 2, 3, 4, 5, 6, 7, 8}
const (
smallArrayCount = 10
largeArrayCount = 512
)