61 lines
1.5 KiB
Plaintext
61 lines
1.5 KiB
Plaintext
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// StringUtils単体テスト
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static box StringUtilsTest {
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main() {
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print("🧪 StringUtils Test")
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// シンプルなファクトリーテスト
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local text = " hello world "
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print("Original: '" + text + "'")
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print("Testing trim...")
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local result = this.trim(text)
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print("Trimmed: '" + result + "'")
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print("Testing starts_with...")
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local starts = this.starts_with("hello world", "hello")
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print("starts_with 'hello': " + starts)
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print("✅ StringUtils test complete")
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return 0
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}
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// 基本的なtrim実装
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trim(s) {
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return this.trim_end(this.trim_start(s))
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}
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trim_start(s) {
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local i = 0
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loop(i < s.length()) {
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local ch = s.substring(i, i + 1)
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if not this.is_whitespace(ch) {
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break
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}
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i = i + 1
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}
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return s.substring(i, s.length())
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}
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trim_end(s) {
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local i = s.length() - 1
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loop(i >= 0) {
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local ch = s.substring(i, i + 1)
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if not this.is_whitespace(ch) {
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break
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}
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i = i - 1
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}
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return s.substring(0, i + 1)
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}
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is_whitespace(ch) {
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return ch == " " or ch == "\t" or ch == "\n" or ch == "\r"
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}
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starts_with(s, prefix) {
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if prefix.length() > s.length() {
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return false
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}
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return s.substring(0, prefix.length()) == prefix
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}
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}
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