From 475f43338d78ff889851967a09b7398574d95a44 Mon Sep 17 00:00:00 2001 From: Ryan Harrison Date: Wed, 28 Jun 2017 11:25:37 -0400 Subject: Add << overload for CFX_WideString BUG=pdfium:788 Change-Id: I9f211d42e60c0d8b7b3c508d340036a3b26542dd Reviewed-on: https://pdfium-review.googlesource.com/7041 Reviewed-by: Henrique Nakashima Commit-Queue: Ryan Harrison --- core/fxcrt/cfx_widestring_unittest.cpp | 108 +++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) (limited to 'core/fxcrt/cfx_widestring_unittest.cpp') diff --git a/core/fxcrt/cfx_widestring_unittest.cpp b/core/fxcrt/cfx_widestring_unittest.cpp index 165b43add6..2578cb6429 100644 --- a/core/fxcrt/cfx_widestring_unittest.cpp +++ b/core/fxcrt/cfx_widestring_unittest.cpp @@ -1102,3 +1102,111 @@ TEST(fxcrt, WideStringAnyAllNoneOf) { EXPECT_TRUE(pdfium::ContainsValue(str, L'b')); EXPECT_FALSE(pdfium::ContainsValue(str, L'z')); } + +TEST(fxcrt, OStreamWideStringOverload) { + std::ostringstream stream; + + // Basic case, empty string + CFX_WideString str; + stream << str; + EXPECT_EQ("", stream.str()); + + // Basic case, wide character + str = L"\u20AC"; + stream << str; + EXPECT_EQ("\u20AC", stream.str()); + + // Basic case, non-empty string + str = L"def"; + stream.str(""); + stream << "abc" << str << "ghi"; + EXPECT_EQ("abcdefghi", stream.str()); + + // Changing the CFX_WideString does not change the stream it was written to. + str = L"123"; + EXPECT_EQ("abcdefghi", stream.str()); + + // Writing it again to the stream will use the latest value. + stream.str(""); + stream << "abc" << str << "ghi"; + EXPECT_EQ("abc123ghi", stream.str()); + + wchar_t stringWithNulls[]{'x', 'y', '\0', 'z'}; + + // Writing a CFX_WideString with nulls and no specified length treats it as + // a C-style null-terminated string. + str = CFX_WideString(stringWithNulls); + EXPECT_EQ(2, str.GetLength()); + stream.str(""); + stream << str; + EXPECT_EQ(2u, stream.tellp()); + + // Writing a CFX_WideString with nulls but specifying its length treats it as + // a C++-style string. + str = CFX_WideString(stringWithNulls, 4); + EXPECT_EQ(4, str.GetLength()); + stream.str(""); + stream << str; + EXPECT_EQ(4u, stream.tellp()); + + // << operators can be chained. + CFX_WideString str1(L"abc"); + CFX_WideString str2(L"def"); + stream.str(""); + stream << str1 << str2; + EXPECT_EQ("abcdef", stream.str()); +} + +TEST(fxcrt, WideOStreamWideStringOverload) { + std::wostringstream stream; + + // Basic case, empty string + CFX_WideString str; + stream << str; + EXPECT_EQ(L"", stream.str()); + + // Basic case, wide character + str = L"\u20AC"; + stream << str; + EXPECT_EQ(L"\u20AC", stream.str()); + + // Basic case, non-empty string + str = L"def"; + stream.str(L""); + stream << L"abc" << str << L"ghi"; + EXPECT_EQ(L"abcdefghi", stream.str()); + + // Changing the CFX_WideString does not change the stream it was written to. + str = L"123"; + EXPECT_EQ(L"abcdefghi", stream.str()); + + // Writing it again to the stream will use the latest value. + stream.str(L""); + stream << L"abc" << str << L"ghi"; + EXPECT_EQ(L"abc123ghi", stream.str()); + + wchar_t stringWithNulls[]{'x', 'y', '\0', 'z'}; + + // Writing a CFX_WideString with nulls and no specified length treats it as + // a C-style null-terminated string. + str = CFX_WideString(stringWithNulls); + EXPECT_EQ(2, str.GetLength()); + stream.str(L""); + stream << str; + EXPECT_EQ(2u, stream.tellp()); + + // Writing a CFX_WideString with nulls but specifying its length treats it as + // a C++-style string. + str = CFX_WideString(stringWithNulls, 4); + EXPECT_EQ(4, str.GetLength()); + stream.str(L""); + stream << str; + EXPECT_EQ(4u, stream.tellp()); + + // << operators can be chained. + CFX_WideString str1(L"abc"); + CFX_WideString str2(L"def"); + stream.str(L""); + stream << str1 << str2; + EXPECT_EQ(L"abcdef", stream.str()); +} -- cgit v1.2.3