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47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
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// Copyright 2016 Google Inc. 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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//
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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 atomiccache
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import (
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"fmt"
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"testing"
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)
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func TestGet(t *testing.T) {
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var c Cache
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called := false
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get := func(k interface{}) interface{} {
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return c.Get(k, func() interface{} {
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called = true
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return fmt.Sprintf("v%d", k)
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})
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}
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got := get(1)
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if want := "v1"; got != want {
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t.Errorf("got %v, want %v", got, want)
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}
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if !called {
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t.Error("getter not called, expected a call")
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}
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called = false
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got = get(1)
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if want := "v1"; got != want {
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t.Errorf("got %v, want %v", got, want)
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}
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if called {
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t.Error("getter unexpectedly called")
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}
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}
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