From 70a78b282a07726b8f568097b279c0995f07b33f Mon Sep 17 00:00:00 2001
From: Yaossg <yaossg@outlook.com>
Date: Fri, 6 Dec 2024 21:13:33 +0800
Subject: [PATCH] coverage

---
 .gitignore |  1 +
 README.md  | 21 +++++++++++++++++++++
 cov.sh     |  6 ++++++
 3 files changed, 28 insertions(+)
 create mode 100644 cov.sh

diff --git a/.gitignore b/.gitignore
index 862f14a..e76bce3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 build
+cov
 *.out
 *.o
 *.s
\ No newline at end of file
diff --git a/README.md b/README.md
index 833acc0..5c3b900 100644
--- a/README.md
+++ b/README.md
@@ -188,3 +188,24 @@ $ sh boot.sh
 - `ungetc` 和 `stdin`（理论上非必须，可以在本语言中手动模拟）
 - `fprintf` 和 `stderr`（理论上非必须，仅用于输出错误信息）
 
+## 测试
+
+### 单元测试
+
+TODO
+
+### 覆盖率
+
+安装如下可视化工具
+
+```sh
+$ pip install gcovr
+```
+
+然后
+
+```sh
+$ sh cov.sh
+```
+
+就会在 cov 文件夹下生成自举的 coverage 数据
diff --git a/cov.sh b/cov.sh
new file mode 100644
index 0000000..e0d0dec
--- /dev/null
+++ b/cov.sh
@@ -0,0 +1,6 @@
+mkdir -p cov && cd cov && 
+rm *
+gcc --coverage -g -O0 ../boot.c
+./a.out < ../boot.c > /dev/null
+gcov a-boot.c
+python3 -m gcovr --html-details --html-theme github.green -o report.html -r ..
\ No newline at end of file