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*
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* version 2 for more details (a copy is included in the LICENSE file that
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/*
* @test
* @bug 7003643
* @summary Make sure MessageFormat.toPattern produces correct quoting. (SPI part is tested in PluggableLocale tests.)
*/
import java.text.*;
import java.util.*;
public class Bug7003643 {
private static final int N = 5;
private static final String[] elements = {
"'{'", "'{", "{", "''", "}", "a", "'",
};
public static void main(String[] args) {
Random rand = new Random();
int count = 0;
int max = (int) (Math.pow((double)elements.length, (double)N)/0.52);
while (count < max) {
// Create a random pattern. If the produced pattern is
// valid, then proceed with the round-trip testing.
StringBuilder sb = new StringBuilder();
for (int i = 0; i < N; i++) {
sb.append(elements[rand.nextInt(elements.length)]);
}
String pattern = sb.toString();
MessageFormat mf = null;
try {
mf = new MessageFormat(pattern);
} catch (IllegalArgumentException e) {
// bad pattern data
}
if (mf == null) {
continue;
}
count++;
String res1 = MessageFormat.format(pattern, 123);
String toPattern = mf.toPattern();
String res2 = MessageFormat.format(toPattern, 123);
if (!res1.equals(res2)) {
String s = String.format("Failed%n pattern=\"%s\" => result=\"%s\"%n"
+ " toPattern()=\"%s\" => result=\"%s\"%n",
pattern, res1, toPattern, res2);
throw new RuntimeException(s);
}
}
}
}