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Copy pathtrie_test.go
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68 lines (56 loc) · 1.78 KB
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/*
* MinIO Cloud Storage, (C) 2016, 2017 MinIO, Inc.
*
* 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 trie
import (
"testing"
)
// Simply make sure creating a new tree works.
func TestNewTrie(t *testing.T) {
trie := NewTrie()
if trie.size != 0 {
t.Errorf("expected size 0, got: %d", trie.size)
}
}
// Ensure that we can insert new keys into the tree, then check the size.
func TestInsert(t *testing.T) {
trie := NewTrie()
// We need to have an empty tree to begin with.
if trie.size != 0 {
t.Errorf("expected size 0, got: %d", trie.size)
}
trie.Insert("key")
trie.Insert("keyy")
// After inserting, we should have a size of two.
if trie.size != 2 {
t.Errorf("expected size 2, got: %d", trie.size)
}
}
// Ensure that PrefixMatch gives us the correct two keys in the tree.
func TestPrefixMatch(t *testing.T) {
trie := NewTrie()
// Feed it some fodder: only 'minio' and 'miny-os' should trip the matcher.
trie.Insert("minio")
trie.Insert("amazon")
trie.Insert("cheerio")
trie.Insert("miny-o's")
matches := trie.PrefixMatch("min")
if len(matches) != 2 {
t.Errorf("expected two matches, got: %d", len(matches))
}
if matches[0] != "minio" && matches[1] != "minio" {
t.Errorf("expected one match to be 'minio', got: '%s' and '%s'", matches[0], matches[1])
}
}