package launch

import (
	"errors"
	"fmt"
	"testing"
)

type lostWrite struct{}

func (lostWrite) Error() string {
	return "issues.numbers.issue: the key was written by another writer first"
}
func (lostWrite) ErrorCode() int { return CodeChanged }

// A lost compare-and-set is answered to a bundle with its own code, wrapped or not, and the SDK tells it by
// that code alone (mesh-sdk's stdio.CodeChanged); every other refusal is the general code, never that one.
func TestALostWriteIsAnsweredWithItsOwnCodeAndNothingElseIs(t *testing.T) {
	if CodeChanged != -32010 {
		t.Fatalf("the lost-write code is %d; mesh-sdk tells it by -32010", CodeChanged)
	}
	for _, err := range []error{lostWrite{}, fmt.Errorf("asked by issues: %w", lostWrite{})} {
		if got := errorCode(err); got != CodeChanged {
			t.Errorf("%v is answered %d", err, got)
		}
	}
	if got := errorCode(errors.New("issues keeps no state numbers")); got == CodeChanged || got != -32000 {
		t.Errorf("a plain refusal is answered %d", got)
	}
}