@Test
public void testAddReturnsTrueIfSuccessfullyAdded() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
assertTrue(set.add(createControl("A")));
assertTrue(set.add(createControl("B")));
assertTrue(set.add(createControl("C")));
}
@Test
public void testAddMakesNonEmpty() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
assertTrue(set.isEmpty());
set.add(createControl("A"));
assertFalse(set.isEmpty());
}
@Test
public void testAddReturnsFalseIfAlreadyInSet() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
assertTrue(set.add(createControl("A")));
assertTrue(set.add(createControl("B")));
assertFalse(set.add(createControl("B")));
assertFalse(set.add(createControl("B")));
assertFalse(set.add(createControl("A")));
assertEquals(2, set.get().length);
}
@Test
public void testGetReturnsAddedItems() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
final AppenderControl[] controls =
new AppenderControl[] {createControl("A"), createControl("B"), createControl("C")};
for (final AppenderControl ctl : controls) {
set.add(ctl);
}
assertEquals(3, set.get().length);
assertArrayEquals(controls, set.get());
}
@Test
public void testClearReturnsAllItems() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
final AppenderControl[] controls =
new AppenderControl[] {createControl("A"), createControl("B"), createControl("C")};
for (final AppenderControl ctl : controls) {
set.add(ctl);
}
assertEquals(3, set.get().length);
final AppenderControl[] previous = set.clear();
assertArrayEquals(previous, controls);
}
@Test
public void testAsMap() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
final AppenderControl[] controls =
new AppenderControl[] {
createControl("A"), createControl("B"), createControl("C"), createControl("D")
};
for (final AppenderControl ctl : controls) {
set.add(ctl);
}
final Map<String, Appender> expected = new HashMap<>();
for (final AppenderControl ctl : controls) {
expected.put(ctl.getAppenderName(), ctl.getAppender());
}
assertEquals(expected, set.asMap());
}
@Test
public void testAddDoesNotAppendersWithSameName() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
final AppenderControl[] controls =
new AppenderControl[] {
createControl("A"),
createControl("B"),
createControl("B"),
createControl("B"),
createControl("A")
};
for (final AppenderControl ctl : controls) {
set.add(ctl);
}
assertEquals(2, set.get().length);
assertSame(controls[0], set.get()[0]);
assertSame(controls[1], set.get()[1]);
}
@Test
public void testRemoveReturnsRemovedItem() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
final AppenderControl[] controls =
new AppenderControl[] {
createControl("A"), createControl("B"), createControl("C"), createControl("D")
};
for (final AppenderControl ctl : controls) {
set.add(ctl);
}
assertEquals(controls.length, set.get().length);
final AppenderControl b = set.remove("B");
assertSame(controls[1], b);
final AppenderControl c = set.remove("C");
assertSame(controls[2], c);
}
@Test
public void testClearRemovesAllItems() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
set.add(createControl("A"));
set.add(createControl("B"));
set.add(createControl("C"));
assertFalse(set.isEmpty());
set.clear();
assertTrue(set.isEmpty());
}
@Test
public void testRemoveRemovesItemFromSet() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
set.add(createControl("A"));
set.add(createControl("B"));
set.add(createControl("C"));
set.add(createControl("D"));
assertEquals(4, set.get().length);
set.remove("B");
assertEquals(3, set.get().length);
final AppenderControl[] three = set.get();
assertEquals("A", three[0].getAppenderName());
assertEquals("C", three[1].getAppenderName());
assertEquals("D", three[2].getAppenderName());
set.remove("C");
assertEquals(2, set.get().length);
final AppenderControl[] two = set.get();
assertEquals("A", two[0].getAppenderName());
assertEquals("D", two[1].getAppenderName());
set.remove("A");
assertEquals(1, set.get().length);
final AppenderControl[] one = set.get();
assertEquals("D", one[0].getAppenderName());
set.remove("D");
assertTrue(set.isEmpty());
}
@Test
public void testIsEmptyMeansZeroLengthArray() throws Exception {
final AppenderControlArraySet set = new AppenderControlArraySet();
assertTrue(set.isEmpty());
assertTrue(set.get().length == 0);
}
