Fix vector resize logic when encoding non-BMP chars to x-user-defined

third_party/WebKit/Source/wtf/text/TextCodecUserDefinedTest.cpp

Index: third_party/WebKit/Source/wtf/text/TextCodecUserDefinedTest.cpp
diff --git a/third_party/WebKit/Source/wtf/text/TextCodecLatin1Test.cpp b/third_party/WebKit/Source/wtf/text/TextCodecUserDefinedTest.cpp
similarity index 71%
copy from third_party/WebKit/Source/wtf/text/TextCodecLatin1Test.cpp
copy to third_party/WebKit/Source/wtf/text/TextCodecUserDefinedTest.cpp
index 71fb8d15b481e7334abd122a90d1dfbb237591df..9442ab5a21092da40f44b700577fbf680e6e0c8e 100644
--- a/third_party/WebKit/Source/wtf/text/TextCodecLatin1Test.cpp
+++ b/third_party/WebKit/Source/wtf/text/TextCodecUserDefinedTest.cpp
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "wtf/text/TextCodecLatin1.h"
+#include "wtf/text/TextCodecUserDefined.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/text/CString.h"
@@ -11,8 +11,8 @@
 #include "wtf/text/TextEncodingRegistry.h"
 #include <memory>
 
-TEST(TextCodecLatin1Test, QuestionMarksAndSurrogates) {
-  WTF::TextEncoding encoding("windows-1252");
+TEST(TextCodecUserDefinedTest, QuestionMarksAndSurrogates) {
+  WTF::TextEncoding encoding("x-user-defined");
   std::unique_ptr<WTF::TextCodec> codec(newTextCodec(encoding));
 
   {
@@ -20,7 +20,7 @@ TEST(TextCodecLatin1Test, QuestionMarksAndSurrogates) {
     size_t testCaseSize = WTF_ARRAY_LENGTH(testCase);
     CString result = codec->encode(testCase, testCaseSize,
                                    WTF::QuestionMarksForUnencodables);
-    EXPECT_STREQ("\xd1\x16?", result.data());
+    EXPECT_STREQ("?\x16?", result.data());
   }
   {
     const UChar testCase[] = {0xd9f0, 0xdcd9};
@@ -36,4 +36,11 @@ TEST(TextCodecLatin1Test, QuestionMarksAndSurrogates) {
                                    WTF::QuestionMarksForUnencodables);
     EXPECT_STREQ("??", result.data());
   }
+  {
+    const UChar testCase[] = {0x0041, 0xd9f0, 0xdcd9, 0xf7c1, 0xd9f0, 0xdcd9};
+    size_t testCaseSize = WTF_ARRAY_LENGTH(testCase);
+    CString result = codec->encode(testCase, testCaseSize,
+                                   WTF::QuestionMarksForUnencodables);
+    EXPECT_STREQ("A?\xC1?", result.data());
+  }
 }