mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2025-09-26 20:11:28 +08:00
90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
// Copyright 2025 The Ebitengine Authors
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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 textinput_test
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import (
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"testing"
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"github.com/hajimehoshi/ebiten/v2/exp/textinput"
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)
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func TestConvertUTF16CountToByteCount(t *testing.T) {
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testCases := []struct {
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text string
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c int
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want int
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}{
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{"", 0, 0},
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{"a", 0, 0},
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{"a", 1, 1},
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{"a", 2, -1},
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{"abc", 1, 1},
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{"abc", 2, 2},
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{"àbc", 1, 2},
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{"àbc", 2, 3},
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{"海老天", 1, 3},
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{"海老天", 2, 6},
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{"海老天", 3, 9},
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{"寿司🍣食べたい", 1, 3},
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{"寿司🍣食べたい", 2, 6},
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{"寿司🍣食べたい", 4, 10},
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{"寿司🍣食べたい", 5, 13},
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{"寿司🍣食べたい", 100, -1},
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{"\xff\xff\xff\xff", 0, -1},
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{"\xff\xff\xff\xff", 1, -1},
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{"\xff\xff\xff\xff", 2, -1},
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{"\xff\xff\xff\xff", 100, -1},
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}
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for _, tc := range testCases {
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if got := textinput.ConvertUTF16CountToByteCount(tc.text, tc.c); got != tc.want {
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t.Errorf("ConvertUTF16CountToByteCount(%q, %d) = %v, want %v", tc.text, tc.c, got, tc.want)
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}
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}
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}
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func TestConvertByteCountToUTF16Count(t *testing.T) {
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testCases := []struct {
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text string
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c int
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want int
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}{
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{"", 0, 0},
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{"a", 0, 0},
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{"a", 1, 1},
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{"a", 2, -1},
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{"abc", 1, 1},
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{"abc", 2, 2},
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{"àbc", 2, 1},
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{"àbc", 3, 2},
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{"海老天", 3, 1},
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{"海老天", 6, 2},
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{"海老天", 9, 3},
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{"寿司🍣食べたい", 3, 1},
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{"寿司🍣食べたい", 6, 2},
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{"寿司🍣食べたい", 10, 4},
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{"寿司🍣食べたい", 13, 5},
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{"寿司🍣食べたい", 100, -1},
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{"\xff\xff\xff\xff", 0, -1},
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{"\xff\xff\xff\xff", 3, -1},
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{"\xff\xff\xff\xff", 6, -1},
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{"\xff\xff\xff\xff", 100, -1},
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}
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for _, tc := range testCases {
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if got := textinput.ConvertByteCountToUTF16Count(tc.text, tc.c); got != tc.want {
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t.Errorf("ConvertByteCountToUTF16Count(%q, %d) = %v, want %v", tc.text, tc.c, got, tc.want)
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}
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}
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}
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