Add test coverage to contributing guide

JIRA: QTIP-204
Change-Id: I0ff8a00f287544d82628e940ee530b5e9150a1e0
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a492917..0342098 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -83,6 +83,15 @@ Specially, it is recommended to link each patch set with a JIRA issue. Put
 
 in commit message to create an automatic link.
 
+Test Coverage
+-------------
+
+The implementation, including new features and bug fix, **must** be covered by
+unit test. The criteria for test coverage in QTIP project are as following:
+
+* >=80% coverage for each file
+* >=90% overall coverage for whole project
+
 Documentation
 -------------