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gods/sets/hashset/hashset_test.go

84 lines
2.2 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 hashset
import (
"fmt"
"testing"
)
func TestHashSet(t *testing.T) {
set := New()
// insertions
set.Add()
set.Add(1)
set.Add(2)
set.Add(2, 3)
set.Add()
if actualValue := set.Empty(); actualValue != false {
t.Errorf("Got %v expected %v", actualValue, false)
}
if actualValue := set.Size(); actualValue != 3 {
t.Errorf("Got %v expected %v", actualValue, 3)
}
// Asking if a set is superset of nothing, thus it's true
if actualValue := set.Contains(); actualValue != true {
t.Errorf("Got %v expected %v", actualValue, true)
}
if actualValue := set.Contains(1); actualValue != true {
t.Errorf("Got %v expected %v", actualValue, true)
}
if actualValue := set.Contains(1, 2, 3); actualValue != true {
t.Errorf("Got %v expected %v", actualValue, true)
}
if actualValue := set.Contains(1, 2, 3, 4); actualValue != false {
t.Errorf("Got %v expected %v", actualValue, false)
}
set.Remove()
set.Remove(1)
if actualValue, expactedValues := fmt.Sprintf("%d%d", set.Values()...), [2]string{"23", "32"}; actualValue != expactedValues[0] && actualValue != expactedValues[1] {
t.Errorf("Got %v expected %v", actualValue, expactedValues)
}
if actualValue := set.Contains(1); actualValue != false {
t.Errorf("Got %v expected %v", actualValue, false)
}
set.Remove(1, 2, 3)
if actualValue := set.Contains(3); actualValue != false {
t.Errorf("Got %v expected %v", actualValue, false)
}
if actualValue := set.Empty(); actualValue != true {
t.Errorf("Got %v expected %v", actualValue, true)
}
}