1 /* 2 * Copyright (C) 2012 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #include "wtf/MathExtras.h" 29 #include "wtf/text/CString.h" 30 #include "wtf/text/WTFString.h" 31 #include <gtest/gtest.h> 32 #include <limits> 33 34 namespace { 35 36 TEST(WTF, StringCreationFromLiteral) 37 { 38 String stringFromLiteral("Explicit construction syntax"); 39 ASSERT_EQ(strlen("Explicit construction syntax"), stringFromLiteral.length()); 40 ASSERT_TRUE(stringFromLiteral == "Explicit construction syntax"); 41 ASSERT_TRUE(stringFromLiteral.is8Bit()); 42 ASSERT_TRUE(String("Explicit construction syntax") == stringFromLiteral); 43 44 String stringWithTemplate("Template Literal", String::ConstructFromLiteral); 45 ASSERT_EQ(strlen("Template Literal"), stringWithTemplate.length()); 46 ASSERT_TRUE(stringWithTemplate == "Template Literal"); 47 ASSERT_TRUE(stringWithTemplate.is8Bit()); 48 ASSERT_TRUE(String("Template Literal") == stringWithTemplate); 49 } 50 51 TEST(WTF, StringASCII) 52 { 53 CString output; 54 55 // Null String. 56 output = String().ascii(); 57 ASSERT_STREQ("", output.data()); 58 59 // Empty String. 60 output = emptyString().ascii(); 61 ASSERT_STREQ("", output.data()); 62 63 // Regular String. 64 output = String("foobar").ascii(); 65 ASSERT_STREQ("foobar", output.data()); 66 } 67 68 static void testNumberToStringECMAScript(double number, const char* reference) 69 { 70 CString numberString = String::numberToStringECMAScript(number).latin1(); 71 ASSERT_STREQ(reference, numberString.data()); 72 } 73 74 TEST(WTF, StringNumberToStringECMAScriptBoundaries) 75 { 76 typedef std::numeric_limits<double> Limits; 77 78 // Infinity. 79 testNumberToStringECMAScript(Limits::infinity(), "Infinity"); 80 testNumberToStringECMAScript(-Limits::infinity(), "-Infinity"); 81 82 // NaN. 83 testNumberToStringECMAScript(-Limits::quiet_NaN(), "NaN"); 84 85 // Zeros. 86 testNumberToStringECMAScript(0, "0"); 87 testNumberToStringECMAScript(-0, "0"); 88 89 // Min-Max. 90 testNumberToStringECMAScript(Limits::min(), "2.2250738585072014e-308"); 91 testNumberToStringECMAScript(Limits::max(), "1.7976931348623157e+308"); 92 } 93 94 TEST(WTF, StringNumberToStringECMAScriptRegularNumbers) 95 { 96 // Pi. 97 testNumberToStringECMAScript(piDouble, "3.141592653589793"); 98 testNumberToStringECMAScript(piFloat, "3.1415927410125732"); 99 testNumberToStringECMAScript(piOverTwoDouble, "1.5707963267948966"); 100 testNumberToStringECMAScript(piOverTwoFloat, "1.5707963705062866"); 101 testNumberToStringECMAScript(piOverFourDouble, "0.7853981633974483"); 102 testNumberToStringECMAScript(piOverFourFloat, "0.7853981852531433"); 103 104 // e. 105 const double e = 2.71828182845904523536028747135266249775724709369995; 106 testNumberToStringECMAScript(e, "2.718281828459045"); 107 108 // c, speed of light in m/s. 109 const double c = 299792458; 110 testNumberToStringECMAScript(c, "299792458"); 111 112 // Golen ratio. 113 const double phi = 1.6180339887498948482; 114 testNumberToStringECMAScript(phi, "1.618033988749895"); 115 } 116 117 TEST(WTF, StringReplaceWithLiteral) 118 { 119 // Cases for 8Bit source. 120 String testString = "1224"; 121 ASSERT_TRUE(testString.is8Bit()); 122 testString.replaceWithLiteral('2', ""); 123 ASSERT_STREQ("14", testString.utf8().data()); 124 125 testString = "1224"; 126 ASSERT_TRUE(testString.is8Bit()); 127 testString.replaceWithLiteral('2', "3"); 128 ASSERT_STREQ("1334", testString.utf8().data()); 129 130 testString = "1224"; 131 ASSERT_TRUE(testString.is8Bit()); 132 testString.replaceWithLiteral('2', "555"); 133 ASSERT_STREQ("15555554", testString.utf8().data()); 134 135 testString = "1224"; 136 ASSERT_TRUE(testString.is8Bit()); 137 testString.replaceWithLiteral('3', "NotFound"); 138 ASSERT_STREQ("1224", testString.utf8().data()); 139 140 // Cases for 16Bit source. 141 testString = String::fromUTF8("rsum"); 142 ASSERT_FALSE(testString.is8Bit()); 143 testString.replaceWithLiteral(UChar(0x00E9 /*U+00E9 is ''*/), "e"); 144 ASSERT_STREQ("resume", testString.utf8().data()); 145 146 testString = String::fromUTF8("rsum"); 147 ASSERT_FALSE(testString.is8Bit()); 148 testString.replaceWithLiteral(UChar(0x00E9 /*U+00E9 is ''*/), ""); 149 ASSERT_STREQ("rsum", testString.utf8().data()); 150 151 testString = String::fromUTF8("rsum"); 152 ASSERT_FALSE(testString.is8Bit()); 153 testString.replaceWithLiteral('3', "NotFound"); 154 ASSERT_STREQ("rsum", testString.utf8().data()); 155 } 156 157 } // namespace 158
