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package multierror
import (
"errors"
"testing"
)
func TestAppend_Error(t *testing.T) {
original := &Error{
Errors: []error{errors.New("foo")},
}
result := Append(original, errors.New("bar"))
if len(result.Errors) != 2 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
original = &Error{}
result = Append(original, errors.New("bar"))
if len(result.Errors) != 1 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
// Test when a typed nil is passed
var e *Error
result = Append(e, errors.New("baz"))
if len(result.Errors) != 1 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
// Test flattening
original = &Error{
Errors: []error{errors.New("foo")},
}
result = Append(original, Append(nil, errors.New("foo"), errors.New("bar")))
if len(result.Errors) != 3 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
}
func TestAppend_NilError(t *testing.T) {
var err error
result := Append(err, errors.New("bar"))
if len(result.Errors) != 1 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
}
func TestAppend_NilErrorArg(t *testing.T) {
var err error
var nilErr *Error
result := Append(err, nilErr)
if len(result.Errors) != 0 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
}
func TestAppend_NilErrorIfaceArg(t *testing.T) {
var err error
var nilErr error
result := Append(err, nilErr)
if len(result.Errors) != 0 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
}
func TestAppend_NonError(t *testing.T) {
original := errors.New("foo")
result := Append(original, errors.New("bar"))
if len(result.Errors) != 2 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
}
func TestAppend_NonError_Error(t *testing.T) {
original := errors.New("foo")
result := Append(original, Append(nil, errors.New("bar")))
if len(result.Errors) != 2 {
t.Fatalf("wrong len: %d", len(result.Errors))
}
}
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