[llvm] r177223 - Test case for graceful handling of long file names on Windows. Patch thanks to Paul Robinson!

[Aaron Ballman]

Author: aaronballman
Date: Sat Mar 16 10:00:51 2013
New Revision: 177223

URL: http://llvm.org/viewvc/llvm-project?rev=177223&view=rev
Log:
Test case for graceful handling of long file names on Windows.  Patch thanks to Paul Robinson!

Modified:
    llvm/trunk/unittests/Support/Path.cpp

Modified: llvm/trunk/unittests/Support/Path.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/Support/Path.cpp?rev=177223&r1=177222&r2=177223&view=diff
==============================================================================
--- llvm/trunk/unittests/Support/Path.cpp (original)
+++ llvm/trunk/unittests/Support/Path.cpp Sat Mar 16 10:00:51 2013
@@ -224,6 +224,18 @@ TEST_F(FileSystemTest, TempFiles) {
   // Make sure Temp1 doesn't exist.
   ASSERT_NO_ERROR(fs::exists(Twine(TempPath), TempFileExists));
   EXPECT_FALSE(TempFileExists);
+
+#ifdef LLVM_ON_WIN32
+  // Path name > 260 chars should get an error.
+  const char *Path270 =
+    "abcdefghijklmnopqrstuvwxyz9abcdefghijklmnopqrstuvwxyz8"
+    "abcdefghijklmnopqrstuvwxyz7abcdefghijklmnopqrstuvwxyz6"
+    "abcdefghijklmnopqrstuvwxyz5abcdefghijklmnopqrstuvwxyz4"
+    "abcdefghijklmnopqrstuvwxyz3abcdefghijklmnopqrstuvwxyz2"
+    "abcdefghijklmnopqrstuvwxyz1abcdefghijklmnopqrstuvwxyz0";
+  EXPECT_EQ(fs::unique_file(Twine(Path270), FileDescriptor, TempPath),
+            windows_error::path_not_found);
+#endif
 }
 
 TEST_F(FileSystemTest, DirectoryIteration) {