Classifier - Software Development Case Studies in Java - page 67

assigns a category to an item. The TestItem test case tests the basic function-
alities of the classes FeatureType , Feature and Item .
public class TestItem extends TestCase {
public TestItem(String arg0) {
super (arg0);
}
public void testFeatureType(){
String featureTypeName # "YesNo";
String[] allowedValues # new String[] {"yes","no"};
FeatureType type # new FeatureType(
featureTypeName,allowedValues);
for ( int i # 0; i < allowedValues.length; !! i)
assertTrue(type.isAllowed(allowedValues[i]));
}
public void testFeature(){
String featureTypeName # "YesNo";
String[] allowedValues # new String[] {"yes","no"};
FeatureType type # new FeatureType(
featureTypeName,allowedValues);
String value # "yes";
Feature feature # new Feature("name","yes",type);
assertEquals(value,feature.value());
try {
feature.value("no");
assertTrue( true );
} catch (IllegalArgumentException e){
fail("cannot set a valid value");
}
try {
feature.value("invalid");
fail("could set an invalid value");
} catch (IllegalArgumentException e){
assertTrue( true );
}
}
public void testItem(){
FeatureType yn # new FeatureType("YesNo",
new String[]{"yes","no"});
Feature[] features # new Feature[]{
new Feature("f1","yes",yn), new Feature("f2","no",yn)};
Item item # new Item("name",features);
assertEquals("yes",item.value("f1"));
assertEquals("no",item.value("f2"));
item.setValue("f1","no");
assertEquals("no",item.value("f1"));
}
}