要測試Java中的split方法的正確性和穩(wěn)定性,你可以編寫一些單元測試用例來驗證其功能。以下是一些建議的測試用例:
public static void main(String[] args) {
String input = "Hello,World,Java,Split,Method";
String[] expectedOutput = {"Hello", "World", "Java", "Split", "Method"};
String[] actualOutput = input.split(",");
assertArrayEquals(expectedOutput, actualOutput);
}
public static void main(String[] args) {
String input = "";
String[] expectedOutput = {};
String[] actualOutput = input.split(",");
assertArrayEquals(expectedOutput, actualOutput);
}
public static void main(String[] args) {
String input = "Hello,World,Java,Split,Method,";
String[] expectedOutput = {"Hello", "World", "Java", "Split", "Method"};
String[] actualOutput = input.split(",");
assertArrayEquals(expectedOutput, actualOutput);
}
public static void main(String[] args) {
String input = "Hello,,World,,Java,,Split,,Method";
String[] expectedOutput = {"Hello", "", "World", "", "Java", "", "Split", "", "Method"};
String[] actualOutput = input.split(",");
assertArrayEquals(expectedOutput, actualOutput);
}
public static void main(String[] args) {
String input = "Hello*World+Java?Split#Method";
String[] expectedOutput = {"Hello", "World", "Java", "Split", "Method"};
String[] actualOutput = input.split("[*+?#]");
assertArrayEquals(expectedOutput, actualOutput);
}
public static void main(String[] args) {
String input = null;
try {
String[] output = input.split(",");
} catch (NullPointerException e) {
System.out.println("Passed: NullPointerException is thrown when input is null");
}
}
通過這些測試用例,你可以驗證Java split方法的正確性和穩(wěn)定性。當然,你還可以根據需要添加更多的測試用例。