/**
* Use forEach, with the given StringBuilder, to assemble a String which represents every Shape in
* the given list.
*
* <p>Change the 'method under test' to make the test pass.
*
* <p>The String should be a concatenation of each Shape's toString.
*
* @see Shapes#makeStringOfAllColors(java.util.List, StringBuilder)
* @see Shape#toString()
* @see StringBuilder#append(String)
* @see Iterable#forEach
*/
@Test
public void buildStringRepresentingAllShapes() {
List<Shape> allMyShapes = Arrays.asList(new Shape(RED), new Shape(BLACK), new Shape(YELLOW));
StringBuilder builder = new StringBuilder();
// method under test
Shapes.makeStringOfAllColors(allMyShapes, builder);
assertThat(builder.toString(), equalTo("[a RED shape][a BLACK shape][a YELLOW shape]"));
}
