test: check examples in README

PR #119 

2 files changed, 7 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index c1b81e5..89e1bd0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,3 +32,4 @@ quickcheck = { version = "0.7", default-features = false }
 rand = "0.5"
 serde = "1"
 serde_derive = "1"
+doc-comment = "0.3"
diff --git a/src/lib.rs b/src/lib.rs
index c433d85..e5002ce 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -114,6 +114,12 @@ extern crate same_file;
 extern crate winapi;
 #[cfg(windows)]
 extern crate winapi_util;
+#[cfg(test)]
+#[macro_use]
+extern crate doc_comment;
+
+#[cfg(test)]
+doctest!("../README.md");
 
 use std::cmp::{Ordering, min};
 use std::error;