From b682bd1916c7562405f8407f56acb4de92c07486 Mon Sep 17 00:00:00 2001
From: Pete Bacon Darwin <pete@bacondarwin.com>
Date: Wed, 6 May 2020 22:13:32 +0100
Subject: [PATCH] fix(compiler-cli): normalize mock Windows file paths
 correctly (#36859)

Since the `MockFileSystemWindows` is case-insensitive, any
drive path that must be added to a normalized path should be lower
case to make the path canonical.

PR Close #36859
---
 .../ngtsc/file_system/testing/src/mock_file_system_windows.ts   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/compiler-cli/src/ngtsc/file_system/testing/src/mock_file_system_windows.ts b/packages/compiler-cli/src/ngtsc/file_system/testing/src/mock_file_system_windows.ts
index 9cabd0a2b9..e733197d3b 100644
--- a/packages/compiler-cli/src/ngtsc/file_system/testing/src/mock_file_system_windows.ts
+++ b/packages/compiler-cli/src/ngtsc/file_system/testing/src/mock_file_system_windows.ts
@@ -42,6 +42,6 @@ export class MockFileSystemWindows extends MockFileSystem {
   }
 
   normalize<T extends PathString>(path: T): T {
-    return path.replace(/^[\/\\]/i, 'C:/').replace(/\\/g, '/') as T;
+    return path.replace(/^[\/\\]/i, 'c:/').replace(/\\/g, '/') as T;
   }
 }