public void bad() throws Throwable {
if (IO.staticReturnsTrue()) {
String stringIntValue = "";
int x = (new SecureRandom()).nextInt(3);
switch (x) {
case 0:
stringIntValue = "0";
break;
case 1:
stringIntValue = "1";
break;
/* FLAW: x could be 2, and there is no 'default' case for that */
}
IO.writeLine(stringIntValue);
}
}
/* good2() reverses the bodies in the if statement */
private void good2() throws Throwable {
if (IO.staticReturnsTrue()) {
String stringIntValue = "";
int x = (new SecureRandom()).nextInt(3);
switch (x) {
case 0:
stringIntValue = "0";
break;
case 1:
stringIntValue = "1";
break;
/* FIX: Add a default case */
default:
stringIntValue = "2";
}
IO.writeLine(stringIntValue);
}
}
public void bad() throws Throwable {
if (IO.staticReturnsTrue()) {
BufferedReader readerBuffered = null;
InputStreamReader readerInputStream = null;
try {
/* Enter: 1e-50, result should be 0.0 (for bad case)
*
* Note: alternate input
* 999999999999999999999999999999999999999999999999999999999999999
*/
readerInputStream = new InputStreamReader(System.in, "UTF-8");
readerBuffered = new BufferedReader(readerInputStream);
double doubleNumber = 0;
IO.writeString("Enter double number (1e-50): ");
try {
doubleNumber = Double.parseDouble(readerBuffered.readLine());
} catch (NumberFormatException exceptionNumberFormat) {
IO.writeLine("Error parsing number");
}
/* FLAW: should not cast without checking if conversion is safe */
IO.writeLine("" + (float) doubleNumber);
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
} finally {
try {
if (readerBuffered != null) {
readerBuffered.close();
}
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
}
try {
if (readerInputStream != null) {
readerInputStream.close();
}
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
}
}
}
}
/* good2() reverses the bodies in the if statement */
private void good2() throws Throwable {
if (IO.staticReturnsTrue()) {
BufferedReader readerBuffered = null;
InputStreamReader readerInputStream = null;
try {
readerInputStream = new InputStreamReader(System.in, "UTF-8");
readerBuffered = new BufferedReader(readerInputStream);
double num = 0;
IO.writeString("Enter double number (1e-50): ");
try {
num = Double.parseDouble(readerBuffered.readLine());
} catch (NumberFormatException exceptionNumberFormat) {
IO.writeLine("Error parsing number");
}
/* FIX: check for conversion error */
if (num > Float.MAX_VALUE || num < Float.MIN_VALUE) {
IO.writeLine("Error, cannot safely cast this number to a float!");
return;
}
IO.writeLine("" + (float) num);
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error with stream reading", exceptIO);
} finally {
try {
if (readerBuffered != null) {
readerBuffered.close();
}
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error closing BufferedReader", exceptIO);
}
try {
if (readerInputStream != null) {
readerInputStream.close();
}
} catch (IOException exceptIO) {
IO.logger.log(Level.WARNING, "Error closing InputStreamReader", exceptIO);
}
}
}
}
