Test case for graceful handling of long file names on Windows. Patch thanks to Paul Robinson!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177223 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Support/Path.cpp b/unittests/Support/Path.cpp
index c31cb53..4511259 100644
--- a/unittests/Support/Path.cpp
+++ b/unittests/Support/Path.cpp
@@ -224,6 +224,18 @@
// 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) {
