@Test
public void
contourContainsAnother_should_return_false_when_the_other_contour_is_not_entirely_shaded() {
ContourRelations diagramContourRelations =
new ContourRelations(getVennABCDiagramWithShadedBC());
assertFalse(diagramContourRelations.contourContainsAnother("A", "B"));
}
@Test
public void
contourContainsAnother_should_return_false_when_the_only_unshaded_part_of_B_is_in_A_but_there_is_a_spider_in_B() {
ContourRelations diagramContourRelations =
new ContourRelations(getVennABCDiagramWithPartlyShadedBAndSpiderInZoneBC_A());
assertFalse(diagramContourRelations.contourContainsAnother("A", "B"));
}
@Test
public void contourContainsAnother_should_return_true_when_the_only_unshaded_part_of_B_is_in_A() {
ContourRelations diagramContourRelations =
new ContourRelations(getVennABCDiagramWithPartlyShadedB());
assertTrue(diagramContourRelations.contourContainsAnother("A", "B"));
}
@Test
public void contourContainsAnother_should_return_false_when_the_other_contour_is_not_shaded() {
ContourRelations diagramContourRelations = new ContourRelations(diagramWithContoursAB);
assertFalse(diagramContourRelations.contourContainsAnother("A", "B"));
}
@Test
public void
contourContainsAnother_should_return_true_when_the_other_contour_is_entirely_shaded() {
ContourRelations diagramContourRelations = new ContourRelations(diagramWithShadedB);
assertTrue(diagramContourRelations.contourContainsAnother("A", "B"));
}
@Test(expected = IllegalArgumentException.class)
public void
contourContainsAnother_should_throw_an_exception_when_the_contours_are_not_contained_in_the_diagram() {
ContourRelations diagramContourRelations = new ContourRelations(diagramWithContoursAB);
diagramContourRelations.contourContainsAnother("A", "C");
}
@Test
public void contourContainsAnother_should_return_false_for_a_Venn_diagram() {
ContourRelations contourRelations = new ContourRelations(diagramWithContoursAB);
assertFalse(contourRelations.contourContainsAnother("A", "B"));
}