From 0be82dce5e9e3df3010152e031d472df380a38fc Mon Sep 17 00:00:00 2001
From: David Neto <dneto@google.com>
Date: Tue, 23 Jul 2024 15:11:34 -0400
Subject: [PATCH] [printf] Test empty format string, and empty arg string
 (#2018)

Issue: #1058
---
 test_conformance/printf/util_printf.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test_conformance/printf/util_printf.cpp b/test_conformance/printf/util_printf.cpp
index 74be6af86..292d95b30 100644
--- a/test_conformance/printf/util_printf.cpp
+++ b/test_conformance/printf/util_printf.cpp
@@ -714,6 +714,12 @@ testCase testCaseChar = {
 
 std::vector<printDataGenParameters> printStringGenParameters = {
 
+    // empty format
+    { {""}, "\"foo\"" },
+
+    // empty argument
+    { {"%s"}, "\"\"" },
+
     //(Minimum)Four-wide,zero-filled,default(right)-justified
 
     { { "%4s" }, "\"foo\"" },
@@ -766,6 +772,10 @@ std::vector<printDataGenParameters> printStringGenParameters = {
 
 std::vector<std::string> correctBufferString = {
 
+    "",
+
+    "",
+
     " foo",
 
     "f",