Fix a failed unit test on Windows (#1907)

frwh47 · beiwei30 · commit ec0c7bce5acd · 2018-06-11T10:16:49.000+08:00
* add demo

* use System.lineSeparator()

* delete my demo class
diff --git a/dubbo-common/src/test/java/com/alibaba/dubbo/common/utils/IOUtilsTest.java b/dubbo-common/src/test/java/com/alibaba/dubbo/common/utils/IOUtilsTest.java
@@ -107,7 +107,7 @@ public void testReadLines() throws Exception {
     public void testWriteLines() throws Exception {
         IOUtils.writeLines(os, new String[]{TEXT});
         ByteArrayOutputStream bos = (ByteArrayOutputStream) os;
-        assertThat(new String(bos.toByteArray()), equalTo(TEXT + "\n"));
+        assertThat(new String(bos.toByteArray()), equalTo(TEXT + System.lineSeparator()));
     }
 
     @Test

Original file line number	Diff line number	Diff line change
`@@ -107,7 +107,7 @@ public void testReadLines() throws Exception {`
`107`	`107`	`public void testWriteLines() throws Exception {`
`108`	`108`	`IOUtils.writeLines(os, new String[]{TEXT});`
`109`	`109`	`ByteArrayOutputStream bos = (ByteArrayOutputStream) os;`
`110`		`- assertThat(new String(bos.toByteArray()), equalTo(TEXT + "\n"));`
	`110`	`+ assertThat(new String(bos.toByteArray()), equalTo(TEXT + System.lineSeparator()));`
`111`	`111`	`}`
`112`	`112`
`113`	`113`	`@Test`