1 files changed, 34 insertions, 0 deletions
diff --git a/lldb/unittests/Interpreter/TestCommandObjectExpression.cpp b/lldb/unittests/Interpreter/TestCommandObjectExpression.cpp
new file mode 100644
index 0000000..b0cf22d
--- /dev/null
+++ b/lldb/unittests/Interpreter/TestCommandObjectExpression.cpp
@@ -0,0 +1,34 @@
+#include "lldb/Expression/DiagnosticManager.h"
+#include "lldb/Utility/StreamString.h"
+#include "gtest/gtest.h"
+
+namespace lldb_private {
+std::string RenderDiagnosticDetails(Stream &stream,
+                                    std::optional<uint16_t> offset_in_command,
+                                    bool multiline,
+                                    llvm::ArrayRef<DiagnosticDetail> details);
+}
+
+using namespace lldb_private;
+using namespace lldb;
+using llvm::StringRef;
+namespace {
+class ErrorDisplayTest : public ::testing::Test {};
+} // namespace
+
+static std::string Render(std::vector<DiagnosticDetail> details) {
+  StreamString stream;
+  RenderDiagnosticDetails(stream, 0, true, details);
+  return stream.GetData();
+}
+
+TEST_F(ErrorDisplayTest, RenderStatus) {
+  DiagnosticDetail::SourceLocation inline_loc;
+  inline_loc.in_user_input = true;
+  {
+    std::string result =
+        Render({DiagnosticDetail{inline_loc, eSeverityError, "foo", ""}});
+    ASSERT_TRUE(StringRef(result).contains("error:"));
+    ASSERT_TRUE(StringRef(result).contains("foo"));
+  }
+}