see 04/25 log

Author: Blankj

utilcode/src/main/java/com/blankj/utilcode/util/FileIOUtils.java

@@ -103,6 +103,13 @@ public static boolean writeFileFromIS(final File file,
             } catch (IOException e) {
                 e.printStackTrace();
             }
+            try {
+                if (os != null) {
+                    os.close();
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
         }
     }
 

utilcode/src/test/java/com/blankj/utilcode/util/StringUtilsTest.java

@@ -4,7 +4,6 @@
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 /**
@@ -79,7 +78,7 @@ public void reverse() throws Exception {
         assertEquals("jknalb", StringUtils.reverse("blankj"));
         assertEquals("knalb", StringUtils.reverse("blank"));
         assertEquals("文中试测", StringUtils.reverse("测试中文"));
-        assertNull(StringUtils.reverse(null));
+        assertEquals("", StringUtils.reverse(null));
     }
 
     @Test