| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| |
| #define WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING() (++wtfStringCopyCount) |
| |
| static int wtfStringCopyCount; |
| |
| #include <gtest/gtest.h> |
| #include "sky/engine/wtf/text/WTFString.h" |
| |
| namespace { |
| |
| #define EXPECT_N_WTF_STRING_COPIES(count, expr) \ |
| do { \ |
| wtfStringCopyCount = 0; \ |
| String __testString = expr; \ |
| (void)__testString; \ |
| EXPECT_EQ(count, wtfStringCopyCount) << #expr; \ |
| } while (false) |
| |
| TEST(WTF, DISABLED_StringOperators) |
| { |
| String string("String"); |
| AtomicString atomicString("AtomicString"); |
| const char* literal = "ASCIILiteral"; |
| |
| EXPECT_EQ(0, wtfStringCopyCount); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, string + string); |
| EXPECT_N_WTF_STRING_COPIES(2, string + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + string); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + atomicString); |
| |
| EXPECT_N_WTF_STRING_COPIES(1, "C string" + string); |
| EXPECT_N_WTF_STRING_COPIES(1, string + "C string"); |
| EXPECT_N_WTF_STRING_COPIES(1, "C string" + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(1, atomicString + "C string"); |
| |
| EXPECT_N_WTF_STRING_COPIES(1, literal + string); |
| EXPECT_N_WTF_STRING_COPIES(1, string + literal); |
| EXPECT_N_WTF_STRING_COPIES(1, literal + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(1, atomicString + literal); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + "C string" + string); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + "C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + ("C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, string + "C string" + string + "C string"); |
| EXPECT_N_WTF_STRING_COPIES(2, string + ("C string" + string + "C string")); |
| EXPECT_N_WTF_STRING_COPIES(2, (string + "C string") + (string + "C string")); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + string + literal + string); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (string + literal + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + (literal + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, string + literal + string + literal); |
| EXPECT_N_WTF_STRING_COPIES(2, string + (literal + string + literal)); |
| EXPECT_N_WTF_STRING_COPIES(2, (string + literal) + (string + literal)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + string + "C string" + string); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (string + "C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + ("C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + literal + string); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + literal + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + (literal + string)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + "C string" + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + "C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + ("C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + literal + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + literal + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + (literal + atomicString)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + "C string" + string); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + "C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + ("C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + literal + string); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + literal + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + (literal + string)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + string + "C string" + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (string + "C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + ("C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + literal + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + literal + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + (literal + atomicString)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + "C string" + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + "C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + ("C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + "C string" + atomicString + "C string"); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + ("C string" + atomicString + "C string")); |
| EXPECT_N_WTF_STRING_COPIES(2, (atomicString + "C string") + (atomicString + "C string")); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + literal + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + literal + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + (literal + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + literal + atomicString + literal); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + (literal + atomicString + literal)); |
| EXPECT_N_WTF_STRING_COPIES(2, (atomicString + literal) + (atomicString + literal)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + string + "C string" + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (string + "C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + string) + ("C string" + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, string + "C string" + atomicString + "C string"); |
| EXPECT_N_WTF_STRING_COPIES(2, string + ("C string" + atomicString + "C string")); |
| EXPECT_N_WTF_STRING_COPIES(2, (string + "C string") + (atomicString + "C string")); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + string + literal + atomicString); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (string + literal + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + string) + (literal + atomicString)); |
| EXPECT_N_WTF_STRING_COPIES(2, string + literal + atomicString + literal); |
| EXPECT_N_WTF_STRING_COPIES(2, string + (literal + atomicString + literal)); |
| EXPECT_N_WTF_STRING_COPIES(2, (string + literal) + (atomicString + literal)); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + atomicString + "C string" + string); |
| EXPECT_N_WTF_STRING_COPIES(2, "C string" + (atomicString + "C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, ("C string" + atomicString) + ("C string" + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + "C string" + string + "C string"); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + ("C string" + string + "C string")); |
| EXPECT_N_WTF_STRING_COPIES(2, (atomicString + "C string") + (string + "C string")); |
| |
| EXPECT_N_WTF_STRING_COPIES(2, literal + atomicString + literal + string); |
| EXPECT_N_WTF_STRING_COPIES(2, literal + (atomicString + literal + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, (literal + atomicString) + (literal + string)); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + literal + string + literal); |
| EXPECT_N_WTF_STRING_COPIES(2, atomicString + (literal + string + literal)); |
| EXPECT_N_WTF_STRING_COPIES(2, (atomicString + literal) + (string + literal)); |
| } |
| |
| } // namespace |