1 files changed, 14 insertions, 0 deletions
diff --git a/core/fxcrt/cfx_widestring_unittest.cpp b/core/fxcrt/cfx_widestring_unittest.cpp
index dd44cb70af..498b4f0b6a 100644
--- a/core/fxcrt/cfx_widestring_unittest.cpp
+++ b/core/fxcrt/cfx_widestring_unittest.cpp
@@ -4,6 +4,8 @@
 
 #include "core/fxcrt/cfx_widestring.h"
 
+#include <vector>
+
 #include "testing/fx_string_testhelpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -689,6 +691,18 @@ TEST(fxcrt, WideStringUTF16LE_Encode) {
   }
 }
 
+TEST(fxcrt, WideStringCFromVector) {
+  std::vector<CFX_WideStringC::UnsignedType> null_vec;
+  CFX_WideStringC null_string(null_vec);
+  EXPECT_EQ(0, null_string.GetLength());
+
+  std::vector<CFX_WideStringC::UnsignedType> lower_a_vec(
+      10, static_cast<CFX_WideStringC::UnsignedType>(L'a'));
+  CFX_WideStringC lower_a_string(lower_a_vec);
+  EXPECT_EQ(10, lower_a_string.GetLength());
+  EXPECT_EQ(L"aaaaaaaaaa", lower_a_string);
+}
+
 TEST(fxcrt, WideStringCOperatorSubscript) {
   // CFX_WideStringC includes the NUL terminator for non-empty strings.
   CFX_WideStringC abc(L"abc");