Command gencodec generates marshaling methods for Go struct types.
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gencodec/internal/tests/reqfield/input_test.go

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497 B

// Copyright 2017 Felix Lange <fjl@twurst.com>.
// Use of this source code is governed by the MIT license,
// which can be found in the LICENSE file.
package reqfield
import (
"encoding/json"
"testing"
)
func TestRequiredJSON(t *testing.T) {
input := `{"required": 1}`
var x X
if err := json.Unmarshal([]byte(input), &x); err != nil {
t.Fatal("unexpected error", err)
}
input = `{}`
if err := json.Unmarshal([]byte(input), &x); err == nil {
t.Fatal("expected error, got nil")
}
}