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