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TabooTest.java
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TabooTest.java
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// TabooTest.java
// Taboo class tests -- nothing provided.
import junit.framework.TestCase;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
public class TabooTest extends TestCase {
//handouts no nulls - strings
public void testNoFollow1() {
List<String> ls = Arrays.asList("a", "c", "a", "b");
Taboo<String> taboo = new Taboo<>(ls);
HashSet<String> res = new HashSet<>();
assertEquals(res, taboo.noFollow("z"));
assertEquals(res, taboo.noFollow("b"));
res.addAll(Arrays.asList("b", "c"));
assertEquals(res, taboo.noFollow("a"));
res.clear();
res.add("a");
assertEquals(res, taboo.noFollow("c"));
}
//handouts with null - strings
public void testNoFollow2() {
List<String> ls = Arrays.asList("a", "b", null, "c", "d");
Taboo<String> taboo = new Taboo<>(ls);
HashSet<String> res = new HashSet<>();
assertEquals(res, taboo.noFollow("b"));
assertEquals(res, taboo.noFollow("d"));
res.add("b");
assertEquals(res, taboo.noFollow("a"));
res.clear();
res.add("d");
assertEquals(res, taboo.noFollow("c"));
}
//strings
public void testNoFollow3() {
List<String> ls = Arrays.asList("a", "b", "c", null, "a", "c", "d", "a", "d", null, "a", "z", "c", "l");
Taboo<String> taboo = new Taboo<>(ls);
HashSet<String> res = new HashSet<>();
assertEquals(res, taboo.noFollow("l"));
res.addAll(Arrays.asList("z", "d", "c", "b"));
assertEquals(res, taboo.noFollow("a"));
res.clear();
res.add("c");
assertEquals(res, taboo.noFollow("b"));
res.clear();
res.addAll(Arrays.asList("d", "l"));
assertEquals(res, taboo.noFollow("c"));
res.clear();
res.add("a");
assertEquals(res, taboo.noFollow("d"));
res.clear();
res.add("c");
assertEquals(res, taboo.noFollow("z"));
}
//empty test
public void testNoFollow4() {
List<String> ls = Arrays.asList();
Taboo<String> taboo = new Taboo<>(ls);
HashSet<String> res = new HashSet<>();
assertEquals(res, taboo.noFollow("l"));
}
//weird nulls - ints
public void testNoFollow5() {
List<Integer> ls = Arrays.asList(null, 1, null, null, 1, 2, 3, null, 4, 1, 5, null);
Taboo<Integer> taboo = new Taboo<>(ls);
HashSet<Integer> res = new HashSet<>();
assertEquals(res, taboo.noFollow(3));
assertEquals(res, taboo.noFollow(5));
assertEquals(res, taboo.noFollow(9));
res.add(3);
assertEquals(res, taboo.noFollow(2));
res.clear();
res.add(1);
assertEquals(res, taboo.noFollow(4));
res.clear();
res.addAll(Arrays.asList(2, 5));
assertEquals(res, taboo.noFollow(1));
}
//strings
public void testReduce1() {
List<String> ls = Arrays.asList("a", "c", "a", "b");
Taboo<String> taboo = new Taboo<>(ls);
List<String> red = new ArrayList<>(Arrays.asList("a", "c", "b", "x", "c", "a"));
taboo.reduce(red);
List<String> res = Arrays.asList("a", "x", "c");
assertEquals(res, red);
}
//empty
public void testReduce2() {
ArrayList<String> ls = new ArrayList<>();
ls.addAll(Arrays.asList("a", "c", "a", "b", "g"));
Taboo<String> taboo = new Taboo<>(ls);
List<String> red = new ArrayList<>();
taboo.reduce(red);
List<String> res = Arrays.asList();
assertEquals(res, red);
}
//integers
public void testReduce3() {
ArrayList<Integer> ls = new ArrayList<>();
ls.addAll(Arrays.asList(1, 2, null, 3, 4, 6, null, 8, 9, 7, 1, 3, 2, 1, 5));
Taboo<Integer> taboo = new Taboo<>(ls);
ArrayList<Integer> red = new ArrayList<>(Arrays.asList(1,3,5,2,7,8,9,1,2,3,4,5));
taboo.reduce(red);
List<Integer> res = new ArrayList<>(Arrays.asList(1,7,8,1,4,5));
assertEquals(res, red);
}
//one elem
public void testReduce4() {
ArrayList<String> ls = new ArrayList<>();
ls.addAll(Arrays.asList("a", "c", "a", "b", "g"));
Taboo<String> taboo = new Taboo<>(ls);
List<String> red = new ArrayList<>(Arrays.asList("a"));
taboo.reduce(red);
List<String> res = Arrays.asList("a");
assertEquals(res, red);
}
}