Add start of CFGAS_FormatString tests

This CL adds tests for the date parsing and formatting code in
CFGAS_FormatString.

Change-Id: I9989cdd1b3f92c90d46ee2c3f7838fe1de255be2
Reviewed-on: https://pdfium-review.googlesource.com/6178
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/testing/fx_string_testhelpers.cpp b/testing/fx_string_testhelpers.cpp
index 934dd680e4..00a13f5b57 100644
--- a/testing/fx_string_testhelpers.cpp
+++ b/testing/fx_string_testhelpers.cpp
@@ -6,6 +6,7 @@
 
 #include <iomanip>
 #include <ios>
+#include <string>
 
 namespace {
 
@@ -46,3 +47,12 @@ std::ostream& operator<<(std::ostream& out, const CFX_WideStringC& str) {
 std::ostream& operator<<(std::ostream& out, const CFX_WideString& str) {
   return output_string(out, str);
 }
+
+std::ostream& operator<<(std::ostream& os, const CFX_DateTime& dt) {
+  os << dt.GetYear() << "-" << std::to_string(dt.GetMonth()) << "-"
+     << std::to_string(dt.GetDay()) << " " << std::to_string(dt.GetHour())
+     << ":" << std::to_string(dt.GetMinute()) << ":"
+     << std::to_string(dt.GetSecond()) << "."
+     << std::to_string(dt.GetMillisecond());
+  return os;
+}