diff --git a/llvm/test/tools/llvm-ar/error-opening-archive.test b/llvm/test/tools/llvm-ar/error-opening-archive.test
new file mode 100644
--- /dev/null
+++ b/llvm/test/tools/llvm-ar/error-opening-archive.test
@@ -0,0 +1,19 @@
+# UNSUPPORTED: system-windows
+
+# RUN: rm -rf %t && mkdir -p %t
+# RUN: echo file1 > %t/1.txt
+
+## No Permission:
+# RUN: llvm-ar rc %t/permission.b %t/1.txt
+# RUN: chmod 100 %t/permission.b
+# RUN: not llvm-ar p %t/permission.b 2>&1 | \
+# RUN:   FileCheck %s --check-prefix=NO-PERMISSION -DARCHIVE=%t/permission.b
+
+# NO-PERMISSION: error: error opening '[[ARCHIVE]]': {{[pP]}}ermission denied
+
+## Passing in a directory:
+# RUN: mkdir -p %t/tmpDir
+# RUN: not llvm-ar p %t/tmpDir 2>&1 | \
+# RUN:    FileCheck %s --check-prefix=IS-DIR -DARCHIVE=%t/tmpDir
+
+# IS-DIR: error: error opening '[[ARCHIVE]]': {{[iI]}}s a directory
diff --git a/llvm/test/tools/llvm-ar/print.test b/llvm/test/tools/llvm-ar/print.test
--- a/llvm/test/tools/llvm-ar/print.test
+++ b/llvm/test/tools/llvm-ar/print.test
@@ -68,7 +68,7 @@
 ## No archive:
 # RUN: not llvm-ar p 2>&1 \
 # RUN:   | FileCheck %s --check-prefix=NO-ARCHIVE
-# 
+#
 # NO-ARCHIVE: error: an archive name must be specified
 
 ## Archive does not exist: