1 files changed, 24 insertions, 0 deletions
diff --git a/lldb/unittests/Host/FileSpecTest.cpp b/lldb/unittests/Host/FileSpecTest.cpp
index 338515dd8ba..55a66b3b37e 100644
--- a/lldb/unittests/Host/FileSpecTest.cpp
+++ b/lldb/unittests/Host/FileSpecTest.cpp
@@ -260,3 +260,27 @@ TEST(FileSpecTest, GetNormalizedPath) {
         << "Original path: " << test.first;
   }
 }
+
+TEST(FileSpecTest, FormatFileSpec) {
+  auto win = FileSpec::ePathSyntaxWindows;
+
+  FileSpec F;
+  EXPECT_EQ("(empty)", llvm::formatv("{0}", F).str());
+  EXPECT_EQ("(empty)", llvm::formatv("{0:D}", F).str());
+  EXPECT_EQ("(empty)", llvm::formatv("{0:F}", F).str());
+
+  F = FileSpec("C:\\foo\\bar.txt", false, win);
+  EXPECT_EQ("C:\\foo\\bar.txt", llvm::formatv("{0}", F).str());
+  EXPECT_EQ("C:\\foo\\", llvm::formatv("{0:D}", F).str());
+  EXPECT_EQ("bar.txt", llvm::formatv("{0:F}", F).str());
+
+  F = FileSpec("foo\\bar.txt", false, win);
+  EXPECT_EQ("foo\\bar.txt", llvm::formatv("{0}", F).str());
+  EXPECT_EQ("foo\\", llvm::formatv("{0:D}", F).str());
+  EXPECT_EQ("bar.txt", llvm::formatv("{0:F}", F).str());
+
+  F = FileSpec("foo", false, win);
+  EXPECT_EQ("foo", llvm::formatv("{0}", F).str());
+  EXPECT_EQ("foo", llvm::formatv("{0:F}", F).str());
+  EXPECT_EQ("(empty)", llvm::formatv("{0:D}", F).str());
+}
+\ No newline at end of file