| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include "config.h" |
| |
| #include "wtf/MathExtras.h" |
| #include "wtf/text/CString.h" |
| #include "wtf/text/WTFString.h" |
| #include <gtest/gtest.h> |
| #include <limits> |
| |
| namespace { |
| |
| TEST(WTF, StringCreationFromLiteral) |
| { |
| String stringFromLiteral("Explicit construction syntax"); |
| ASSERT_EQ(strlen("Explicit construction syntax"), stringFromLiteral.length()); |
| ASSERT_TRUE(stringFromLiteral == "Explicit construction syntax"); |
| ASSERT_TRUE(stringFromLiteral.is8Bit()); |
| ASSERT_TRUE(String("Explicit construction syntax") == stringFromLiteral); |
| } |
| |
| TEST(WTF, StringASCII) |
| { |
| CString output; |
| |
| // Null String. |
| output = String().ascii(); |
| ASSERT_STREQ("", output.data()); |
| |
| // Empty String. |
| output = emptyString().ascii(); |
| ASSERT_STREQ("", output.data()); |
| |
| // Regular String. |
| output = String("foobar").ascii(); |
| ASSERT_STREQ("foobar", output.data()); |
| } |
| |
| static void testNumberToStringECMAScript(double number, const char* reference) |
| { |
| CString numberString = String::numberToStringECMAScript(number).latin1(); |
| ASSERT_STREQ(reference, numberString.data()); |
| } |
| |
| TEST(WTF, StringNumberToStringECMAScriptBoundaries) |
| { |
| typedef std::numeric_limits<double> Limits; |
| |
| // Infinity. |
| testNumberToStringECMAScript(Limits::infinity(), "Infinity"); |
| testNumberToStringECMAScript(-Limits::infinity(), "-Infinity"); |
| |
| // NaN. |
| testNumberToStringECMAScript(-Limits::quiet_NaN(), "NaN"); |
| |
| // Zeros. |
| testNumberToStringECMAScript(0, "0"); |
| testNumberToStringECMAScript(-0, "0"); |
| |
| // Min-Max. |
| testNumberToStringECMAScript(Limits::min(), "2.2250738585072014e-308"); |
| testNumberToStringECMAScript(Limits::max(), "1.7976931348623157e+308"); |
| } |
| |
| TEST(WTF, StringNumberToStringECMAScriptRegularNumbers) |
| { |
| // Pi. |
| testNumberToStringECMAScript(piDouble, "3.141592653589793"); |
| testNumberToStringECMAScript(piFloat, "3.1415927410125732"); |
| testNumberToStringECMAScript(piOverTwoDouble, "1.5707963267948966"); |
| testNumberToStringECMAScript(piOverTwoFloat, "1.5707963705062866"); |
| testNumberToStringECMAScript(piOverFourDouble, "0.7853981633974483"); |
| testNumberToStringECMAScript(piOverFourFloat, "0.7853981852531433"); |
| |
| // e. |
| const double e = 2.71828182845904523536028747135266249775724709369995; |
| testNumberToStringECMAScript(e, "2.718281828459045"); |
| |
| // c, speed of light in m/s. |
| const double c = 299792458; |
| testNumberToStringECMAScript(c, "299792458"); |
| |
| // Golen ratio. |
| const double phi = 1.6180339887498948482; |
| testNumberToStringECMAScript(phi, "1.618033988749895"); |
| } |
| |
| TEST(WTF, StringReplaceWithLiteral) |
| { |
| // Cases for 8Bit source. |
| String testString = "1224"; |
| ASSERT_TRUE(testString.is8Bit()); |
| testString.replaceWithLiteral('2', ""); |
| ASSERT_STREQ("14", testString.utf8().data()); |
| |
| testString = "1224"; |
| ASSERT_TRUE(testString.is8Bit()); |
| testString.replaceWithLiteral('2', "3"); |
| ASSERT_STREQ("1334", testString.utf8().data()); |
| |
| testString = "1224"; |
| ASSERT_TRUE(testString.is8Bit()); |
| testString.replaceWithLiteral('2', "555"); |
| ASSERT_STREQ("15555554", testString.utf8().data()); |
| |
| testString = "1224"; |
| ASSERT_TRUE(testString.is8Bit()); |
| testString.replaceWithLiteral('3', "NotFound"); |
| ASSERT_STREQ("1224", testString.utf8().data()); |
| |
| // Cases for 16Bit source. |
| testString = String::fromUTF8("résumé"); |
| ASSERT_FALSE(testString.is8Bit()); |
| testString.replaceWithLiteral(UChar(0x00E9 /*U+00E9 is 'é'*/), "e"); |
| ASSERT_STREQ("resume", testString.utf8().data()); |
| |
| testString = String::fromUTF8("résumé"); |
| ASSERT_FALSE(testString.is8Bit()); |
| testString.replaceWithLiteral(UChar(0x00E9 /*U+00E9 is 'é'*/), ""); |
| ASSERT_STREQ("rsum", testString.utf8().data()); |
| |
| testString = String::fromUTF8("résumé"); |
| ASSERT_FALSE(testString.is8Bit()); |
| testString.replaceWithLiteral('3', "NotFound"); |
| ASSERT_STREQ("résumé", testString.utf8().data()); |
| } |
| |
| TEST(WTF, StringComparisonOfSameStringVectors) |
| { |
| Vector<String> stringVector; |
| stringVector.append("one"); |
| stringVector.append("two"); |
| |
| Vector<String> sameStringVector; |
| sameStringVector.append("one"); |
| sameStringVector.append("two"); |
| |
| ASSERT_EQ(stringVector, sameStringVector); |
| } |
| |
| TEST(WTF, SimplifyWhiteSpace) |
| { |
| String extraSpaces(" Hello world "); |
| ASSERT_EQ(String("Hello world"), extraSpaces.simplifyWhiteSpace()); |
| ASSERT_EQ(String(" Hello world "), extraSpaces.simplifyWhiteSpace(WTF::DoNotStripWhiteSpace)); |
| |
| String extraSpacesAndNewlines(" \nHello\n world\n "); |
| ASSERT_EQ(String("Hello world"), extraSpacesAndNewlines.simplifyWhiteSpace()); |
| ASSERT_EQ(String(" Hello world "), extraSpacesAndNewlines.simplifyWhiteSpace(WTF::DoNotStripWhiteSpace)); |
| |
| String extraSpacesAndTabs(" \nHello\t world\t "); |
| ASSERT_EQ(String("Hello world"), extraSpacesAndTabs.simplifyWhiteSpace()); |
| ASSERT_EQ(String(" Hello world "), extraSpacesAndTabs.simplifyWhiteSpace(WTF::DoNotStripWhiteSpace)); |
| } |
| |
| } // namespace |