public void testComposition() {
Closure<String> toUpperCase =
new Closure<String>(null) {
public String doCall(String s) {
return s.toUpperCase();
}
};
Closure<Boolean> hasCapitalA =
new Closure<Boolean>(null) {
public Boolean doCall(String s) {
return s.contains("A");
}
};
Closure<Boolean> hasA = toUpperCase.rightShift(hasCapitalA);
assertTrue(every(animals, hasA));
Closure<Boolean> alsoHasA = hasCapitalA.leftShift(toUpperCase);
assertTrue(every(animals, alsoHasA));
}
