gods/trees/redblacktree/redblacktree_test.go
2015-03-05 04:16:28 +01:00

86 lines
1.9 KiB
Go

/*
Copyright (c) Emir Pasic, All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. See the file LICENSE included
with this distribution for more information.
*/
package redblacktree
import (
"testing"
)
func TestRedBlackTree(t *testing.T) {
tree := NewWithIntComparator()
// insertions
tree.Put(5, "e")
tree.Put(6, "f")
tree.Put(7, "g")
tree.Put(3, "c")
tree.Put(4, "d")
tree.Put(1, "x")
tree.Put(2, "b")
tree.Put(1, "a") //overwrite
// key,expectedValue,expectedFound
tests1 := [][]interface{}{
{1, "a", true},
{2, "b", true},
{3, "c", true},
{4, "d", true},
{5, "e", true},
{6, "f", true},
{7, "g", true},
{8, nil, false},
}
for _, test := range tests1 {
// retrievals
actualValue, actualFound := tree.Get(test[0])
if actualValue != test[1] || actualFound != test[2] {
t.Errorf("Got %v expected %v", actualValue, test[1])
}
}
// removals
tree.Remove(5)
tree.Remove(6)
tree.Remove(7)
tree.Remove(8)
tests2 := [][]interface{}{
{1, "a", true},
{2, "b", true},
{3, "c", true},
{4, "d", true},
{5, nil, false},
{6, nil, false},
{7, nil, false},
{8, nil, false},
}
for _, test := range tests2 {
// retrievals
actualValue, actualFound := tree.Get(test[0])
if actualValue != test[1] || actualFound != test[2] {
t.Errorf("Got %v expected %v", actualValue, test[1])
}
}
}