a790a97c93
使用基于 UTF-16 编码的加权算法替换 go-runewidth，与小红书实际计算规则一致： 非ASCII字符算2字节，ASCII字符算1字节，向上取整除以2。 Closes #401 Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
package xhsutil
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCalcTitleLength(t *testing.T) {
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tests := []struct {
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name string
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input string
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want int
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}{
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{name: "空字符串", input: "", want: 0},
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{name: "纯中文", input: "你好世界", want: 4},
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{name: "纯英文", input: "hello", want: 3},
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{name: "纯数字", input: "12345", want: 3},
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{name: "中英混合-OOTD穿搭分享", input: "OOTD穿搭分享", want: 6},
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{name: "20个中文字刚好上限", input: "一二三四五六七八九十一二三四五六七八九十", want: 20},
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{name: "40个英文字母等于20", input: "abcdefghijklmnopqrstuvwxyzabcdefghijklmn", want: 20},
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{name: "单个emoji", input: "😀", want: 2},
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{name: "中文加emoji", input: "今天好开心😀", want: 7},
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{name: "奇数个英文字母向上取整", input: "a", want: 1},
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{name: "两个英文字母", input: "ab", want: 1},
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{name: "三个英文字母", input: "abc", want: 2},
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{name: "全角符号", input: "！？", want: 2},
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{name: "半角符号", input: "!?", want: 1},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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assert.Equal(t, tt.want, CalcTitleLength(tt.input))
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})
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}
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}
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