From c77579812460c2b3bf473bd560a1beed32d5fdf5 Mon Sep 17 00:00:00 2001
From: Brian Anderson <banderson@mozilla.com>
Date: Mon, 30 Jan 2012 14:27:54 -0800
Subject: [PATCH] rustdoc: Add a test that unexported ifaces are pruned

---
 src/rustdoc/prune_unexported_pass.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/rustdoc/prune_unexported_pass.rs b/src/rustdoc/prune_unexported_pass.rs
index be999fc592c1..2db7e10cd1ff 100644
--- a/src/rustdoc/prune_unexported_pass.rs
+++ b/src/rustdoc/prune_unexported_pass.rs
@@ -235,3 +235,12 @@ fn should_prune_unexported_resources() {
     let doc = run(srv, doc);
     assert vec::is_empty(doc.topmod.mods()[0].resources());
 }
+
+#[test]
+fn should_prune_unexported_ifaces_from_top_mod() {
+    let source = "export a; mod a { } iface b { fn c(); }";
+    let srv = astsrv::mk_srv_from_str(source);
+    let doc = extract::from_srv(srv, "");
+    let doc = run(srv, doc);
+    assert vec::is_empty(doc.topmod.ifaces());
+}
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