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json_test.go
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json_test.go
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/*
Copyright (C) 2024 Carl-Philip Hänsch
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package NonLockingReadMap
import "testing"
import "encoding/json"
func TestJSON(t *testing.T) {
// create
m := New[KeyValue, string]()
// write
item := &KeyValue{"name", "Peter"}
m.Set(item)
item = &KeyValue{"job", "Developer"}
m.Set(item)
// serialize
b, err := json.Marshal(m)
if err != nil {
t.Fatalf("marshal error")
}
if string(b) != "{\"job\":{\"Key\":\"job\",\"Value\":\"Developer\"},\"name\":{\"Key\":\"name\",\"Value\":\"Peter\"}}" {
t.Fatalf("json output mismatch: " + string(b))
}
var m2 NonLockingReadMap[KeyValue, string]
json.Unmarshal(b, &m2)
// read
item2 := m2.Get("name")
if item2 == nil {
t.Fatalf("JSON Getter failed I")
}
if item2.Value != "Peter" {
t.Fatalf("JSON Getter failed II")
}
// nonexisting read
item3 := m2.Get("doesnotexist")
if item3 != nil {
t.Fatalf("nonexisting Get failed")
}
// remove
m2.Remove("name")
if m2.Get("name") != nil {
t.Fatalf("Remove failed")
}
// read after remove in old
item2 = m.Get("name")
if item2 == nil {
t.Fatalf("Getter after remove failed II")
}
if item2.Value != "Peter" {
t.Fatalf("Getter after remove failed II")
}
}