From c2e01c8de504f49412f30e2cf5a6181e2bb4407d Mon Sep 17 00:00:00 2001
From: Rich Trott <rtrott@gmail.com>
Date: Sat, 13 Mar 2021 18:33:07 -0800
Subject: [PATCH] path: fix posix.relative() on Windows

Fixes: https://github.com/nodejs/node/issues/13683
---
 lib/path.js                                        | 10 +++++++++-
 test/known_issues/known_issues.status              | 14 --------------
 .../test-path-posix-relative-on-windows.js         |  0
 3 files changed, 9 insertions(+), 15 deletions(-)
 rename test/{known_issues => parallel}/test-path-posix-relative-on-windows.js (100%)

diff --git a/lib/path.js b/lib/path.js
index f3d7f42fc1f433..8ba229a670ab2b 100644
--- a/lib/path.js
+++ b/lib/path.js
@@ -23,6 +23,7 @@
 
 const {
   FunctionPrototypeBind,
+  RegExp,
   StringPrototypeCharCodeAt,
   StringPrototypeLastIndexOf,
   StringPrototypeSlice,
@@ -1014,7 +1015,14 @@ const posix = {
     let resolvedAbsolute = false;
 
     for (let i = args.length - 1; i >= -1 && !resolvedAbsolute; i--) {
-      const path = i >= 0 ? args[i] : process.cwd();
+      const path = i >= 0 ?
+        args[i] :
+        (() => {
+          const _ = process.cwd()
+            .replace(new RegExp(`\\${module.exports.sep}`, 'g'), posix.sep);
+          return _.substr(_.indexOf(posix.sep));
+        })();
+
 
       validateString(path, 'path');
 
diff --git a/test/known_issues/known_issues.status b/test/known_issues/known_issues.status
index 690e6e9840b77c..7a50c10404c723 100644
--- a/test/known_issues/known_issues.status
+++ b/test/known_issues/known_issues.status
@@ -15,32 +15,18 @@ test-vm-timeout-escape-queuemicrotask: SKIP
 [$system==win32]
 
 [$system==linux]
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
 
 [$system==macos]
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
 
 [$system==solaris]
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
 
 [$system==freebsd]
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
 
 [$system==aix]
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
 
 [$arch==arm]
 # The Raspberry Pis are too slow to run this test.
 # See https://github.com/nodejs/build/issues/2227#issuecomment-608334574
 test-crypto-authenticated-stream: SKIP
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
 
 [$system==ibmi]
-# Windows-specific test
-test-path-posix-relative-on-windows: SKIP
diff --git a/test/known_issues/test-path-posix-relative-on-windows.js b/test/parallel/test-path-posix-relative-on-windows.js
similarity index 100%
rename from test/known_issues/test-path-posix-relative-on-windows.js
rename to test/parallel/test-path-posix-relative-on-windows.js