Enable uv pipe tests on windows

Turns out the pipe names must have special names on windows. Once we have
special names, all the tests pass just fine.

Closes #10386

1 files changed, 5 insertions, 1 deletions

diff --git a/src/libstd/rt/test.rs b/src/libstd/rt/test.rs
index 55a8db89d3c..aa680cddf2a 100644
--- a/src/libstd/rt/test.rs
+++ b/src/libstd/rt/test.rs
@@ -375,7 +375,11 @@ pub fn next_test_port() -> u16 {
 /// Get a temporary path which could be the location of a unix socket
 #[fixed_stack_segment] #[inline(never)]
 pub fn next_test_unix() -> Path {
-    os::tmpdir().join(rand::task_rng().gen_ascii_str(20))
+    if cfg!(unix) {
+        os::tmpdir().join(rand::task_rng().gen_ascii_str(20))
+    } else {
+        Path::new(r"\\.\pipe\" + rand::task_rng().gen_ascii_str(20))
+    }
 }
 
 /// Get a unique IPv4 localhost:port pair starting at 9600