org.json.CDL#toString ( )源码实例Demo

/**
 * Given a JSONArray that was not built by CDL, some chars may be
 * found that would otherwise be filtered out by CDL.
 */
@Test
public void checkSpecialChars() {
    JSONArray jsonArray = new JSONArray();
    JSONObject jsonObject = new JSONObject();
    jsonArray.put(jsonObject);
    // \r will be filtered from name
    jsonObject.put("Col \r1", "V1");
    // \r will be filtered from value
    jsonObject.put("Col 2", "V2\r");
    assertTrue("expected length should be 1",jsonArray.length() == 1);
    String cdlStr = CDL.toString(jsonArray);
    jsonObject = jsonArray.getJSONObject(0);
    assertTrue(cdlStr.contains("\"Col 1\""));
    assertTrue(cdlStr.contains("Col 2"));
    assertTrue(cdlStr.contains("V1"));
    assertTrue(cdlStr.contains("\"V2\""));
}
 

/**
 * Assert that there is no error for a single escaped quote within a properly embedded quote.
 */
@Test
public void singleEscapedQuote(){
           String singleEscape = "Col1, Col2\nVal1, \"\"\"Val2\"";
           JSONArray jsonArray = CDL.toJSONArray(singleEscape);
           
           String cdlStr = CDL.toString(jsonArray);
           assertTrue(cdlStr.contains("Col1"));
           assertTrue(cdlStr.contains("Col2"));
           assertTrue(cdlStr.contains("Val1"));
           assertTrue(cdlStr.contains("\"Val2"));
}
 

/**
 * Assert that there is no error for a single escaped quote within a properly
 * embedded quote when not the last value.
 */
@Test
public void singleEscapedQuoteMiddleString(){
           String singleEscape = "Col1, Col2\nVal1, \"\"\"Val2\"\nVal 3,Val 4";
           JSONArray jsonArray = CDL.toJSONArray(singleEscape);
           
           String cdlStr = CDL.toString(jsonArray);
           assertTrue(cdlStr.contains("Col1"));
           assertTrue(cdlStr.contains("Col2"));
           assertTrue(cdlStr.contains("Val1"));
           assertTrue(cdlStr.contains("\"Val2"));
}
 

/**
 * call toString with a null array
 */
@Test
public void emptyJSONArrayToString() {
    JSONArray jsonArray = new JSONArray();
    String str = CDL.toString(jsonArray);
    assertNull("CDL should return null for toString(null)",
            str);
}
 

/**
 * call toString with a null arrays for names and values
 */
@Test
public void nullJSONArraysToString() {
    String str = CDL.toString(null, null);
    assertNull("CDL should return null for toString(null)",
            str);
}
 

/**
 * Create a JSONArray from a string of lines,
 * then convert to string and then back to JSONArray
 */
@Test
public void textToJSONArrayAndBackToString() {
    JSONArray jsonArray = CDL.toJSONArray(this.lines);
    String jsonStr = CDL.toString(jsonArray);
    JSONArray finalJsonArray = CDL.toJSONArray(jsonStr);
    JSONArray expectedJsonArray = new JSONArray(this.expectedLines);
    Util.compareActualVsExpectedJsonArrays(finalJsonArray, expectedJsonArray);
}
 

/**
 * call toString with a null array
 */
@Test(expected=NullPointerException.class)
public void nullJSONArrayToString() {
    CDL.toString((JSONArray)null);
}