真相 - 流畅的测试框架
来自如何使用真相 http://google.github.io/truth/
String string = "awesome";
assertThat(string).startsWith("awe");
assertWithMessage("Without me, it's just aweso").that(string).contains("me");
Iterable<Color> googleColors = googleLogo.getColors();
assertThat(googleColors)
.containsExactly(BLUE, RED, YELLOW, BLUE, GREEN, RED)
.inOrder();