From cb241b7289abfc10111d3180def55ca1fbb2edb4 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 5 Jul 2020 23:13:51 +0800
Subject: ...

---
 test/common/StringUtilTest.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'test')

diff --git a/test/common/StringUtilTest.cpp b/test/common/StringUtilTest.cpp
index e454505b..21a9ea9c 100644
--- a/test/common/StringUtilTest.cpp
+++ b/test/common/StringUtilTest.cpp
@@ -26,6 +26,12 @@ TEST(WinString, Utf16Iterator) {
   ASSERT_EQ(i.Next(), 0x1F923);
   ASSERT_EQ(i.Next(), 0x0021);
   ASSERT_EQ(i.Next(), k_invalid_code_point);
+  ASSERT_EQ(i.Previous(), 0x0021);
+  ASSERT_EQ(i.Previous(), 0x1F923);
+  ASSERT_EQ(i.Previous(), 0x4F60);
+  ASSERT_EQ(i.Previous(), 0x03C0);
+  ASSERT_EQ(i.Previous(), 0x0061);
+  ASSERT_EQ(i.Previous(), k_invalid_code_point);
 }
 
 // TEST(WinString, IndexUtf8ToUtf16) {
-- 
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