Method testGetAllRoots

src/test/java/me/coley/recaf/GraphTest.java:152–172

()

	}

	@Test
	public void testGetAllRoots() {
		IVert v1 = directedGraph.getVertex(1);
		IVert v4 = directedGraph.getVertex(4);
		IVert v5 = directedGraph.getVertex(5);
		IVert v6 = directedGraph.getVertex(6);
		// 5 -> 6 (root)
		// 5 -> 3 -> 1 (root)
		Set<Vertex<Integer>> roots = v5.getAllRoots().collect(Collectors.toSet());
		assertTrue(roots.contains(v1));
		assertTrue(roots.contains(v6));
		assertEquals(2, roots.size());
		// 4 -> 2 -> 1 (root)
		roots = v4.getAllRoots().collect(Collectors.toSet());
		assertTrue(roots.contains(v1));
		assertEquals(1, roots.size());
		// 1 (root)
		roots = v1.getAllRoots().collect(Collectors.toSet());
		assertTrue(roots.contains(v1));
		assertEquals(1, roots.size());
	}

	@Test
	public void testIsDirectedLeaf() {