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add test cases for extended syntax error exception messages

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Simulant 2024-03-23 21:49:58 +01:00
parent 6c160b7d1a
commit f1c9d0787b
2 changed files with 58 additions and 2 deletions
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6
src/main/java/org/json/JSONTokener.java
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@ -320,10 +320,12 @@ public class JSONTokener {
sb.append('\r');
break;
case 'u':
String next = this.next(4);
try {
sb.append((char)Integer.parseInt(this.next(4), 16));
sb.append((char)Integer.parseInt(next, 16));
} catch (NumberFormatException e) {
throw this.syntaxError("Illegal escape. \\u must be followed by a 4 digit number.", e);
throw this.syntaxError("Illegal escape. " +
"\\u must be followed by a 4 digit hexadecimal number. \\" + next + " is not valid.", e);
}
break;
case '"':

54
src/test/java/org/json/junit/JSONObjectTest.java
View File

@ -2193,6 +2193,60 @@ public class JSONObjectTest {
}
}
@Test
public void jsonObjectParseControlCharacterEOFAssertExceptionMessage(){
char c = '\0';
final String source = "{\"key\":\"" + c + "\"}";
try {
JSONObject jo = new JSONObject(source);
fail("JSONException should be thrown");
} catch (JSONException ex) {
assertEquals("Unterminated string. " + "Character with int code 0" +
" is not allowed within a quoted string. at 8 [character 9 line 1]", ex.getMessage());
}
}
@Test
public void jsonObjectParseControlCharacterNewLineAssertExceptionMessage(){
char[] chars = {'\n', '\r'};
for( char c : chars) {
final String source = "{\"key\":\"" + c + "\"}";
try {
JSONObject jo = new JSONObject(source);
fail("JSONException should be thrown");
} catch (JSONException ex) {
assertEquals("Unterminated string. " + "Character with int code " + (int) c +
" is not allowed within a quoted string. at 9 [character 0 line 2]", ex.getMessage());
}
}
}
@Test
public void jsonObjectParseUTF8EncodingAssertExceptionMessage(){
String c = "\\u123x";
final String source = "{\"key\":\"" + c + "\"}";
try {
JSONObject jo = new JSONObject(source);
fail("JSONException should be thrown");
} catch (JSONException ex) {
assertEquals("Illegal escape. \\u must be followed by a 4 digit hexadecimal number. " +
"\\123x is not valid. at 14 [character 15 line 1]", ex.getMessage());
}
}
@Test
public void jsonObjectParseIllegalEscapeAssertExceptionMessage(){
String c = "\\x";
final String source = "{\"key\":\"" + c + "\"}";
try {
JSONObject jo = new JSONObject(source);
fail("JSONException should be thrown");
} catch (JSONException ex) {
assertEquals("Illegal escape. Escape sequence " + c + " is not valid." +
" at 10 [character 11 line 1]", ex.getMessage());
}
}
/**
* Explore how JSONObject handles parsing errors.
*/