61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
// Copyright (c) 2018 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package stempel
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import (
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"fmt"
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"io"
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"reflect"
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"testing"
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)
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func TestStrenumNext(t *testing.T) {
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tests := []struct {
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in []rune
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up bool
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expect []rune
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}{
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{
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in: []rune{'h', 'e', 'l', 'l', 'o'},
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up: true,
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expect: []rune{'h', 'e', 'l', 'l', 'o'},
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},
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{
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in: []rune{'h', 'e', 'l', 'l', 'o'},
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up: false,
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expect: []rune{'o', 'l', 'l', 'e', 'h'},
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},
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}
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for _, test := range tests {
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t.Run(fmt.Sprintf("%s-up-%t", string(test.in), test.up), func(t *testing.T) {
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strenum := newStrEnum(test.in, test.up)
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var got []rune
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next, err := strenum.next()
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for err == nil {
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got = append(got, next)
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next, err = strenum.next()
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}
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if err != io.EOF {
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t.Errorf("next got err: %v", err)
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}
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if !reflect.DeepEqual(got, test.expect) {
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t.Errorf("expected %v, got %v", test.expect, got)
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}
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})
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}
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}
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