From ab53bea1dc8b303748ed95a8fc6cb08c628725f1 Mon Sep 17 00:00:00 2001
From: Yi Wang <yi.wang.2005@gmail.com>
Date: Fri, 25 Aug 2017 14:43:29 -0700
Subject: [PATCH] Run a specific test

---
 doc/howto/dev/build_cn.md | 6 ++++++
 doc/howto/dev/build_en.md | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/doc/howto/dev/build_cn.md b/doc/howto/dev/build_cn.md
index 0077d901187..79b4ff9d5a6 100644
--- a/doc/howto/dev/build_cn.md
+++ b/doc/howto/dev/build_cn.md
@@ -53,6 +53,12 @@
    docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest"
    ```
 
+   有时候我们只想运行一个特定的单元测试，比如 `memory_test`，我们可以
+
+   ```bash
+   docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest -V -R memory_test"
+   ```
+
 ## 为什么要 Docker 呀？
 
 - 什么是 Docker?
diff --git a/doc/howto/dev/build_en.md b/doc/howto/dev/build_en.md
index 95752beba0b..e1b55929f96 100644
--- a/doc/howto/dev/build_en.md
+++ b/doc/howto/dev/build_en.md
@@ -53,6 +53,12 @@ Nothing else.  Not even Python and GCC, because you can install all build tools
    docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest"
    ```
 
+   Sometimes we want to run a specific unit test, say `memory_test`, we can run
+
+   ```bash
+   docker run -v $PWD:/paddle paddle:dev bash -c "cd /paddle/build; ctest -V -R memory_test"
+   ```
+
 ## Docker, Or Not?
 
 - What is Docker?
-- 
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