mirror of https://github.com/minio/minio.git
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package trie
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import (
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"testing"
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)
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// Simply make sure creating a new tree works.
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func TestNewTrie(t *testing.T) {
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trie := NewTrie()
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if trie.size != 0 {
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t.Errorf("expected size 0, got: %d", trie.size)
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}
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}
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// Ensure that we can insert new keys into the tree, then check the size.
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func TestInsert(t *testing.T) {
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trie := NewTrie()
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// We need to have an empty tree to begin with.
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if trie.size != 0 {
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t.Errorf("expected size 0, got: %d", trie.size)
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}
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trie.Insert("key")
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trie.Insert("keyy")
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// After inserting, we should have a size of two.
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if trie.size != 2 {
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t.Errorf("expected size 2, got: %d", trie.size)
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}
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}
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// Ensure that PrefixMatch gives us the correct two keys in the tree.
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func TestPrefixMatch(t *testing.T) {
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trie := NewTrie()
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// Feed it some fodder: only 'minio' and 'miny-os' should trip the matcher.
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trie.Insert("minio")
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trie.Insert("amazon")
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trie.Insert("cheerio")
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trie.Insert("miny-o's")
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matches := trie.PrefixMatch("min")
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if len(matches) != 2 {
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t.Errorf("expected two matches, got: %d", len(matches))
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}
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if matches[0] != "minio" && matches[1] != "minio" {
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t.Errorf("expected one match to be 'minio', got: '%s' and '%s'", matches[0], matches[1])
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}
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}
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