private static void testSysOut(String fs, String exp, Object... args) {
FileOutputStream fos = null;
FileInputStream fis = null;
try {
PrintStream saveOut = System.out;
fos = new FileOutputStream("testSysOut");
System.setOut(new PrintStream(fos));
System.out.format(Locale.US, fs, args);
fos.close();
fis = new FileInputStream("testSysOut");
byte[] ba = new byte[exp.length()];
int len = fis.read(ba);
String got = new String(ba);
if (len != ba.length) fail(fs, exp, got);
ck(fs, exp, got);
System.setOut(saveOut);
} catch (FileNotFoundException ex) {
fail(fs, ex.getClass());
} catch (IOException ex) {
fail(fs, ex.getClass());
} finally {
try {
if (fos != null) fos.close();
if (fis != null) fis.close();
} catch (IOException ex) {
fail(fs, ex.getClass());
}
}
}
private static void tryCatch(String fs, Class<?> ex) {
boolean caught = false;
try {
test(fs);
} catch (Throwable x) {
if (ex.isAssignableFrom(x.getClass())) caught = true;
}
if (!caught) fail(fs, ex);
else pass();
}