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-rw-r--r--core/fxcrt/bytestring.h2
-rw-r--r--core/fxcrt/widestring.h17
-rw-r--r--core/fxcrt/widestring_unittest.cpp2
3 files changed, 12 insertions, 9 deletions
diff --git a/core/fxcrt/bytestring.h b/core/fxcrt/bytestring.h
index 6b167802d5..916820656d 100644
--- a/core/fxcrt/bytestring.h
+++ b/core/fxcrt/bytestring.h
@@ -64,7 +64,7 @@ class ByteString {
void clear() { m_pData.Reset(); }
- static ByteString FromUnicode(const WideString& str);
+ static ByteString FromUnicode(const WideString& str) WARN_UNUSED_RESULT;
// Explicit conversion to C-style string.
// Note: Any subsequent modification of |this| will invalidate the result.
diff --git a/core/fxcrt/widestring.h b/core/fxcrt/widestring.h
index 14621ec1a1..728ab35090 100644
--- a/core/fxcrt/widestring.h
+++ b/core/fxcrt/widestring.h
@@ -33,8 +33,9 @@ class WideString {
using const_iterator = const CharType*;
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
- static WideString Format(const wchar_t* lpszFormat, ...);
- static WideString FormatV(const wchar_t* lpszFormat, va_list argList);
+ static WideString Format(const wchar_t* lpszFormat, ...) WARN_UNUSED_RESULT;
+ static WideString FormatV(const wchar_t* lpszFormat,
+ va_list argList) WARN_UNUSED_RESULT;
WideString();
WideString(const WideString& other);
@@ -58,13 +59,15 @@ class WideString {
~WideString();
- static WideString FromLocal(const ByteStringView& str);
- static WideString FromCodePage(const ByteStringView& str, uint16_t codepage);
+ static WideString FromLocal(const ByteStringView& str) WARN_UNUSED_RESULT;
+ static WideString FromCodePage(const ByteStringView& str,
+ uint16_t codepage) WARN_UNUSED_RESULT;
- static WideString FromUTF8(const ByteStringView& str);
- static WideString FromUTF16LE(const unsigned short* str, size_t len);
+ static WideString FromUTF8(const ByteStringView& str) WARN_UNUSED_RESULT;
+ static WideString FromUTF16LE(const unsigned short* str,
+ size_t len) WARN_UNUSED_RESULT;
- static size_t WStringLength(const unsigned short* str);
+ static size_t WStringLength(const unsigned short* str) WARN_UNUSED_RESULT;
// Explicit conversion to C-style wide string.
// Note: Any subsequent modification of |this| will invalidate the result.
diff --git a/core/fxcrt/widestring_unittest.cpp b/core/fxcrt/widestring_unittest.cpp
index 39337aa7a7..1673c8f069 100644
--- a/core/fxcrt/widestring_unittest.cpp
+++ b/core/fxcrt/widestring_unittest.cpp
@@ -1330,7 +1330,7 @@ TEST(WideString, FormatPrecision) {
}
TEST(WideString, FormatOutOfRangeChar) {
- WideString::Format(L"unsupported char '%c'", 0x00FF00FF);
+ EXPECT_NE(L"", WideString::Format(L"unsupported char '%c'", 0x00FF00FF));
}
TEST(WideString, Empty) {