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4a366fcfee
We do that by re-render visited pages that is not already in the stack. This may potentially do some double work, but that small penalty should be well worth it. Fixes #5281
75 lines
1.7 KiB
Go
75 lines
1.7 KiB
Go
// Copyright 2017-present The Hugo Authors. All rights reserved.
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//
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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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//
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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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package types
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import (
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"sync"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestEvictingStringQueue(t *testing.T) {
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assert := require.New(t)
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queue := NewEvictingStringQueue(3)
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assert.Equal("", queue.Peek())
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queue.Add("a")
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queue.Add("b")
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queue.Add("a")
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assert.Equal("b", queue.Peek())
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queue.Add("b")
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assert.Equal("b", queue.Peek())
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queue.Add("a")
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queue.Add("b")
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assert.True(queue.Contains("a"))
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assert.False(queue.Contains("foo"))
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assert.Equal([]string{"b", "a"}, queue.PeekAll())
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assert.Equal("b", queue.Peek())
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queue.Add("c")
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queue.Add("d")
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// Overflowed, a should now be removed.
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assert.Equal([]string{"d", "c", "b"}, queue.PeekAll())
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assert.Len(queue.PeekAllSet(), 3)
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assert.True(queue.PeekAllSet()["c"])
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}
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func TestEvictingStringQueueConcurrent(t *testing.T) {
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var wg sync.WaitGroup
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val := "someval"
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queue := NewEvictingStringQueue(3)
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for j := 0; j < 100; j++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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queue.Add(val)
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v := queue.Peek()
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if v != val {
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t.Error("wrong val")
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}
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vals := queue.PeekAll()
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if len(vals) != 1 || vals[0] != val {
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t.Error("wrong val")
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}
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}()
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}
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wg.Wait()
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}
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