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// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/

package memo_test

import (
    "testing"

    "gopl.io/ch9/memo1"
    "gopl.io/ch9/memotest"
)

var httpGetBody = memotest.HTTPGetBody

func Test(t *testing.T) {
    m := memo.New(httpGetBody)
    memotest.Sequential(t, m)
}

// NOTE: not concurrency-safe!  Test fails.
func TestConcurrent(t *testing.T) {
    m := memo.New(httpGetBody)
    memotest.Concurrent(t, m)
}

/*
//!+output
$ go test -v gopl.io/ch9/memo1
=== RUN   Test
https://golang.org, 175.026418ms, 7537 bytes
https://godoc.org, 172.686825ms, 6878 bytes
https://play.golang.org, 115.762377ms, 5767 bytes
http://gopl.io, 749.887242ms, 2856 bytes

https://golang.org, 721ns, 7537 bytes
https://godoc.org, 152ns, 6878 bytes
https://play.golang.org, 205ns, 5767 bytes
http://gopl.io, 326ns, 2856 bytes
--- PASS: Test (1.21s)
PASS
ok  gopl.io/ch9/memo1    1.257s
//!-output
*/

/*
//!+race
$ go test -run=TestConcurrent -race -v gopl.io/ch9/memo1
=== RUN   TestConcurrent
...
WARNING: DATA RACE
Write by goroutine 36:
  runtime.mapassign1()
      ~/go/src/runtime/hashmap.go:411 +0x0
  gopl.io/ch9/memo1.(*Memo).Get()
      ~/gobook2/src/gopl.io/ch9/memo1/memo.go:32 +0x205
  ...

Previous write by goroutine 35:
  runtime.mapassign1()
      ~/go/src/runtime/hashmap.go:411 +0x0
  gopl.io/ch9/memo1.(*Memo).Get()
      ~/gobook2/src/gopl.io/ch9/memo1/memo.go:32 +0x205
...
Found 1 data race(s)
FAIL    gopl.io/ch9/memo1    2.393s
//!-race
*/