Java 8 AssertJ 的异常（Exception ）断言

testing-modules/assertion-libraries/README.md

@@ -7,8 +7,6 @@
 
 如果计算结果为 false ，则断言失败，抛出 AssertionError。
 
-assertion(断言) 在软件开发中是一种常用的调试方式，很多开发语言中都支持这种机制。
-
 ### 相关文章
 
 - [AssertJ’s Java 8 Features](http://www.baeldung.com/assertJ-java-8-features)

testing-modules/assertion-libraries/src/test/java/com/ossez/assertj/exceptions/Java8StyleAssertions.java

@@ -8,8 +8,15 @@ import static org.assertj.core.api.Assertions.catchThrowable;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
+
 import org.junit.Test;
 
+/**
+ * AssertJ Exception example
+ * <p><a href="https://www.ossez.com/t/assertj-exception/13988">https://www.ossez.com/t/assertj-exception/13988</a></p>
+ *
+ * @author YuCheng Hu
+ */
 public class Java8StyleAssertions {
 
     @Test
@@ -18,12 +25,10 @@ public class Java8StyleAssertions {
             ArrayList<String> myStringList = new ArrayList<String>(Arrays.asList("Strine one", "String two"));
             myStringList.get(2);
         }).isInstanceOf(IndexOutOfBoundsException.class)
-            .hasMessageStartingWith("Index: 2")
+                .hasMessageStartingWith("Index 2")
                 .hasMessageContaining("2")
-            .hasMessageEndingWith("Size: 2")
-            .hasMessageContaining("Index: 2, Size: 2")
-            .hasMessage("Index: %s, Size: %s", 2, 2)
-            .hasMessageMatching("Index: \\d+, Size: \\d+")
+                .hasMessageEndingWith("length 2")
+                .hasMessageContaining("Index 2")
                 .hasNoCause();
     }
 
@@ -61,6 +66,5 @@ public class Java8StyleAssertions {
         // then
         assertThat(thrown).isInstanceOf(ArithmeticException.class)
                 .hasMessageContaining("/ by zero");
-
     }
 }