新增了对新旧REPORT文本比较功能

Signed-off-by: caifuzhou <504631861@qq.com>

libc-test/README-HowtoRun.md

@@ -33,12 +33,13 @@
 
    此bat将从WSL映射目录传输文件到单板目录下，由于WSL无法直接访问windows端口，所以在WSL中直接使用可能无法传输用例。
 
-5. 若要单独执行测试用例，需要先将common目录下的`runtest`与用例传输到单板，再通过命令执行，结果将打印出来
+4. 若要单独执行测试用例，需要先将common目录下的`runtest`与用例传输到单板，再通过命令执行，结果将打印出来
 
    ```shell
    ./runtest -w '' {filename}
    ```
-
+5. runtest.bat执行结束前会将输出的REPORT与在libc-test/report_base下的REPORT相比较，如果比较出不同将会在scripts下
+   生成一个result.html文件，否则不生成。
    
 
 ### 三、增加用例

scripts/compare.py

+import difflib
+import os
+
+def compare_file():
+    if os.path.exists(r'result.html'):
+        os.remove(r'result.html')
+    f = open(r'../libc-test/REPORT','r')
+    a = f.readlines()
+    f.close()
+    f = open(r'REPORT','r')
+    b = f.readlines()
+    f.close()
+    if a != b:
+        compare = difflib.HtmlDiff()
+        c = compare.make_file(a,b)
+        f = open(r'result.html','w')
+        f.write(c)
+        f.close
+if __name__ == '__main__':
+    compare_file()
\ No newline at end of file

scripts/runtest_Windows.bat

@@ -104,6 +104,16 @@ set /a endS=%time:~6,2%
 set /a endM=%time:~3,2%
 set /a diffS_=%endS%-%startS%
 set /a diffM_=%endM%-%startM%
+
+@REM REPORT文件比较 
+start python %LOCAL%\third_party\musl\scripts\compare.py
+if exist "%LOCAL%\third_party\musl\scripts\\result.html" (
+  echo Test failed,please checking result.html!
+) else (
+  echo Test successful!
+)  
+echo file compareing finished
+
 echo All items finished.
 echo Time cost:%diffM_%m%diffS_%s .
 echo.