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authorRyan Harrison <rharrison@chromium.org>2017-06-28 11:25:37 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-06-28 15:42:06 +0000
commit475f43338d78ff889851967a09b7398574d95a44 (patch)
tree2a27d6f83ae1f1bd83d85ea9783554255b821fce /core/fxcrt/cfx_widestring_unittest.cpp
parentd8df8d4cd419258b50413c4eb730d144824844f0 (diff)
downloadpdfium-475f43338d78ff889851967a09b7398574d95a44.tar.xz
Add << overload for CFX_WideString
BUG=pdfium:788 Change-Id: I9f211d42e60c0d8b7b3c508d340036a3b26542dd Reviewed-on: https://pdfium-review.googlesource.com/7041 Reviewed-by: Henrique Nakashima <hnakashima@chromium.org> Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Diffstat (limited to 'core/fxcrt/cfx_widestring_unittest.cpp')
-rw-r--r--core/fxcrt/cfx_widestring_unittest.cpp108
1 files changed, 108 insertions, 0 deletions
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());
+}