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Add unit tests covering empty results

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This commit is contained in:
Guillaume Ballet 2019-07-03 14:08:31 +02:00
parent a32c95b156
commit 70de8fb0c1
1 changed files with 26 additions and 0 deletions
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26
eth/api_test.go
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@ -102,6 +102,32 @@ func TestAccountRangeAt(t *testing.T) {
}
}
func TestEmptyAccountRangeAt(t *testing.T) {
var (
statedb = state.NewDatabase(rawdb.NewMemoryDatabase())
state, _ = state.New(common.Hash{}, statedb)
)
state.Commit(true)
root := state.IntermediateRoot(true)
trie, err := statedb.OpenTrie(root)
if err != nil {
t.Fatal(err)
}
results, err := accountRange(trie, &common.Hash{0x0}, AccountRangeMaxResults)
if err != nil {
t.Fatalf("Empty results should not trigger an error: %v", err)
}
if results.Next != common.HexToHash("0") {
t.Fatalf("Empty results should not return a second page")
}
if len(results.Addresses) != 0 {
t.Fatalf("Empty state should not return addresses: %v", results.Addresses)
}
}
func TestStorageRangeAt(t *testing.T) {
// Create a state where account 0x010000... has a few storage entries.
var (