mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2025-01-01 00:31:21 +00:00
102 lines
3.0 KiB
Go
102 lines
3.0 KiB
Go
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/*
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Copyright 2021 Erigon contributors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package patricia
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import (
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"fmt"
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"testing"
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)
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func TestInserts1(t *testing.T) {
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n := &node{}
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s := makestate(n)
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d := s.transition(0x34)
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fmt.Printf("1 tree:\n%sstate: %s\ndivergence %s\n\n", n, s, tostr(d))
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s.diverge(d)
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fmt.Printf("2 tree:\n%sstate: %s\n\n", n, s)
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d = s.transition(0x56)
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fmt.Printf("3 tree:\n%sstate: %s\ndivergence %s\n\n", n, s, tostr(d))
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s.diverge(d)
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fmt.Printf("4 tree:\n%sstate: %s\n\n", n, s)
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d = s.transition(0xff)
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fmt.Printf("5 tree:\n%sstate: %s\ndivergence %s\n\n", n, s, tostr(d))
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s.diverge(d)
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fmt.Printf("6 tree:\n%sstate: %s\n\n", n, s)
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d = s.transition(0xcc)
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fmt.Printf("7 tree:\n%sstate: %s\ndivergence %s\n\n", n, s, tostr(d))
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s.diverge(d)
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fmt.Printf("8 tree:\n%sstate: %s\n\n", n, s)
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s.insert(nil)
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s = makestate(n)
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d = s.transition(0x34)
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fmt.Printf("9 tree:\n%sstate: %s\ndivergence %s\n\n", n, s, tostr(d))
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d = s.transition(0x66)
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fmt.Printf("10 tree:\n%sstate: %s\ndivergence %s\n\n", n, s, tostr(d))
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s.diverge(d)
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fmt.Printf("11 tree:\n%sstate: %s\n\n", n, s)
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n.insert([]byte{0xff, 0xff, 0xff, 0xff, 0xff}, []byte{0x01})
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fmt.Printf("12 tree:\n%s\n", n)
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n.insert([]byte{0xff, 0xff, 0xff, 0xff, 0x0f}, []byte{0x02})
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fmt.Printf("13 tree:\n%s\n", n)
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n.insert([]byte{0xff, 0xff, 0xff, 0xff, 0xff}, []byte{0x03})
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fmt.Printf("14 tree:\n%s\n", n)
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vs, ok := n.get([]byte{0xff, 0xff, 0xff, 0xff, 0x0f})
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fmt.Printf("15 vs = %x, ok = %t\n", vs, ok)
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vs, ok = n.get([]byte{0xff, 0xff, 0xff, 0xff, 0xff})
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fmt.Printf("16 vs = %x, ok = %t\n", vs, ok)
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vs, ok = n.get([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0x56})
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fmt.Printf("17 vs = %x, ok = %t\n", vs, ok)
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vs, ok = n.get([]byte{0x34, 0x56, 0xff, 0xcc})
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fmt.Printf("18 vs = %x, ok = %t\n", vs, ok)
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vs, ok = n.get([]byte{})
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fmt.Printf("19 vs = %x, ok = %t\n", vs, ok)
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}
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func TestInserts2(t *testing.T) {
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var n node
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n.insert([]byte{0xff}, []byte{0x03, 0x03, 0x03, 0x1a, 0xed, 0xed})
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n.insert([]byte{0xed}, []byte{})
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fmt.Printf("tree:\n%s", &n)
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vs, ok := n.get([]byte{0xff})
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fmt.Printf("vs = %x, ok = %t\n", vs, ok)
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vs, ok = n.get([]byte{0xed})
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fmt.Printf("vs = %x, ok = %t\n", vs, ok)
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}
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func TestFindMatches1(t *testing.T) {
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var pt PatriciaTree
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pt.Insert([]byte("wolf"), []byte{1})
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pt.Insert([]byte("winter"), []byte{2})
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pt.Insert([]byte("wolfs"), []byte{3})
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fmt.Printf("n\n%s", &pt.root)
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var mf MatchFinder
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matches := mf.FindLongestMatches(&pt, []byte("Who lives here in winter, wolfs?"))
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for _, m := range matches {
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fmt.Printf("%+v\n", m)
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}
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}
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