mirror of
https://github.com/flutter/flutter.git
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318 lines
13 KiB
C++
318 lines
13 KiB
C++
/*
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* Copyright (C) 2012 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <gtest/gtest.h>
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#include <limits>
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#include "flutter/sky/engine/wtf/MathExtras.h"
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#include "flutter/sky/engine/wtf/text/CString.h"
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#include "flutter/sky/engine/wtf/text/WTFString.h"
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namespace {
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TEST(WTF, StringCreationFromLiteral)
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{
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String stringFromLiteral("Explicit construction syntax");
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ASSERT_EQ(strlen("Explicit construction syntax"), stringFromLiteral.length());
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ASSERT_TRUE(stringFromLiteral == "Explicit construction syntax");
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ASSERT_TRUE(stringFromLiteral.is8Bit());
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ASSERT_TRUE(String("Explicit construction syntax") == stringFromLiteral);
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}
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TEST(WTF, StringASCII)
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{
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CString output;
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// Null String.
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output = String().ascii();
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ASSERT_STREQ("", output.data());
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// Empty String.
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output = emptyString().ascii();
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ASSERT_STREQ("", output.data());
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// Regular String.
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output = String("foobar").ascii();
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ASSERT_STREQ("foobar", output.data());
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}
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static void testNumberToStringECMAScript(double number, const char* reference)
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{
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CString numberString = String::numberToStringECMAScript(number).latin1();
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ASSERT_STREQ(reference, numberString.data());
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}
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TEST(WTF, StringNumberToStringECMAScriptBoundaries)
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{
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typedef std::numeric_limits<double> Limits;
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// Infinity.
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testNumberToStringECMAScript(Limits::infinity(), "Infinity");
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testNumberToStringECMAScript(-Limits::infinity(), "-Infinity");
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// NaN.
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testNumberToStringECMAScript(-Limits::quiet_NaN(), "NaN");
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// Zeros.
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testNumberToStringECMAScript(0, "0");
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testNumberToStringECMAScript(-0, "0");
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// Min-Max.
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testNumberToStringECMAScript(Limits::min(), "2.2250738585072014e-308");
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testNumberToStringECMAScript(Limits::max(), "1.7976931348623157e+308");
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}
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TEST(WTF, StringNumberToStringECMAScriptRegularNumbers)
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{
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// Pi.
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testNumberToStringECMAScript(piDouble, "3.141592653589793");
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testNumberToStringECMAScript(piFloat, "3.1415927410125732");
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testNumberToStringECMAScript(piOverTwoDouble, "1.5707963267948966");
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testNumberToStringECMAScript(piOverTwoFloat, "1.5707963705062866");
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testNumberToStringECMAScript(piOverFourDouble, "0.7853981633974483");
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testNumberToStringECMAScript(piOverFourFloat, "0.7853981852531433");
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// e.
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const double e = 2.71828182845904523536028747135266249775724709369995;
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testNumberToStringECMAScript(e, "2.718281828459045");
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// c, speed of light in m/s.
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const double c = 299792458;
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testNumberToStringECMAScript(c, "299792458");
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// Golen ratio.
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const double phi = 1.6180339887498948482;
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testNumberToStringECMAScript(phi, "1.618033988749895");
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}
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TEST(WTF, StringReplaceWithLiteral)
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{
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// Cases for 8Bit source.
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String testString = "1224";
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ASSERT_TRUE(testString.is8Bit());
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testString.replaceWithLiteral('2', "");
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ASSERT_STREQ("14", testString.utf8().data());
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testString = "1224";
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ASSERT_TRUE(testString.is8Bit());
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testString.replaceWithLiteral('2', "3");
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ASSERT_STREQ("1334", testString.utf8().data());
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testString = "1224";
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ASSERT_TRUE(testString.is8Bit());
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testString.replaceWithLiteral('2', "555");
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ASSERT_STREQ("15555554", testString.utf8().data());
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testString = "1224";
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ASSERT_TRUE(testString.is8Bit());
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testString.replaceWithLiteral('3', "NotFound");
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ASSERT_STREQ("1224", testString.utf8().data());
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// Cases for 16Bit source.
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testString = String::fromUTF8("résumé");
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ASSERT_FALSE(testString.is8Bit());
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testString.replaceWithLiteral(UChar(0x00E9 /*U+00E9 is 'é'*/), "e");
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ASSERT_STREQ("resume", testString.utf8().data());
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testString = String::fromUTF8("résumé");
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ASSERT_FALSE(testString.is8Bit());
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testString.replaceWithLiteral(UChar(0x00E9 /*U+00E9 is 'é'*/), "");
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ASSERT_STREQ("rsum", testString.utf8().data());
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testString = String::fromUTF8("résumé");
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ASSERT_FALSE(testString.is8Bit());
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testString.replaceWithLiteral('3', "NotFound");
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ASSERT_STREQ("résumé", testString.utf8().data());
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}
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TEST(WTF, StringComparisonOfSameStringVectors)
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{
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Vector<String> stringVector;
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stringVector.append("one");
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stringVector.append("two");
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Vector<String> sameStringVector;
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sameStringVector.append("one");
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sameStringVector.append("two");
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ASSERT_EQ(stringVector, sameStringVector);
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}
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TEST(WTF, SimplifyWhiteSpace)
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{
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String extraSpaces(" Hello world ");
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ASSERT_EQ(String("Hello world"), extraSpaces.simplifyWhiteSpace());
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ASSERT_EQ(String(" Hello world "), extraSpaces.simplifyWhiteSpace(WTF::DoNotStripWhiteSpace));
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String extraSpacesAndNewlines(" \nHello\n world\n ");
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ASSERT_EQ(String("Hello world"), extraSpacesAndNewlines.simplifyWhiteSpace());
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ASSERT_EQ(String(" Hello world "), extraSpacesAndNewlines.simplifyWhiteSpace(WTF::DoNotStripWhiteSpace));
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String extraSpacesAndTabs(" \nHello\t world\t ");
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ASSERT_EQ(String("Hello world"), extraSpacesAndTabs.simplifyWhiteSpace());
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ASSERT_EQ(String(" Hello world "), extraSpacesAndTabs.simplifyWhiteSpace(WTF::DoNotStripWhiteSpace));
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}
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struct CaseFoldingTestData {
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const char* sourceDescription;
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const char* source;
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const char** localeList;
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size_t localeListLength;
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const char* expected;
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};
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// \xC4\xB0 = U+0130 (capital dotted I)
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// \xC4\xB1 = U+0131 (lowercase dotless I)
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const char* turkicInput = "Isi\xC4\xB0 \xC4\xB0s\xC4\xB1I";
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const char* greekInput = "\xCE\x9F\xCE\x94\xCE\x8C\xCE\xA3 \xCE\x9F\xCE\xB4\xCF\x8C\xCF\x82 \xCE\xA3\xCE\xBF \xCE\xA3\xCE\x9F o\xCE\xA3 \xCE\x9F\xCE\xA3 \xCF\x83 \xE1\xBC\x95\xCE\xBE";
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const char* lithuanianInput = "I \xC3\x8F J J\xCC\x88 \xC4\xAE \xC4\xAE\xCC\x88 \xC3\x8C \xC3\x8D \xC4\xA8 xi\xCC\x87\xCC\x88 xj\xCC\x87\xCC\x88 x\xC4\xAF\xCC\x87\xCC\x88 xi\xCC\x87\xCC\x80 xi\xCC\x87\xCC\x81 xi\xCC\x87\xCC\x83 XI X\xC3\x8F XJ XJ\xCC\x88 X\xC4\xAE X\xC4\xAE\xCC\x88";
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const char* turkicLocales[] = {
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"tr", "tr-TR", "tr_TR", "tr@foo=bar", "tr-US", "TR", "tr-tr", "tR",
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"az", "az-AZ", "az_AZ", "az@foo=bar", "az-US", "Az", "AZ-AZ", };
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const char* nonTurkicLocales[] = {
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"en", "en-US", "en_US", "en@foo=bar", "EN", "En",
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"ja", "el", "fil", "fi", "lt", };
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const char* greekLocales[] = {
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"el", "el-GR", "el_GR", "el@foo=bar", "el-US", "EL", "el-gr", "eL",
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};
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const char* nonGreekLocales[] = {
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"en", "en-US", "en_US", "en@foo=bar", "EN", "En",
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"ja", "tr", "az", "fil", "fi", "lt", };
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const char* lithuanianLocales[] = {
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"lt", "lt-LT", "lt_LT", "lt@foo=bar", "lt-US", "LT", "lt-lt", "lT",
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};
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// Should not have "tr" or "az" because "lt" and 'tr/az' rules conflict with each other.
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const char* nonLithuanianLocales[] = {
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"en", "en-US", "en_US", "en@foo=bar", "EN", "En", "ja", "fil", "fi", "el", };
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TEST(WTF, StringToUpperLocale)
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{
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CaseFoldingTestData testDataList[] = {
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{
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"Turkic input",
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turkicInput,
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turkicLocales,
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sizeof(turkicLocales) / sizeof(const char*),
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"IS\xC4\xB0\xC4\xB0 \xC4\xB0SII",
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}, {
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"Turkic input",
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turkicInput,
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nonTurkicLocales,
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sizeof(nonTurkicLocales) / sizeof(const char*),
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"ISI\xC4\xB0 \xC4\xB0SII",
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}, {
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"Greek input",
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greekInput,
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greekLocales,
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sizeof(greekLocales) / sizeof(const char*),
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"\xCE\x9F\xCE\x94\xCE\x9F\xCE\xA3 \xCE\x9F\xCE\x94\xCE\x9F\xCE\xA3 \xCE\xA3\xCE\x9F \xCE\xA3\xCE\x9F \x4F\xCE\xA3 \xCE\x9F\xCE\xA3 \xCE\xA3 \xCE\x95\xCE\x9E",
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}, {
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"Greek input",
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greekInput,
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nonGreekLocales,
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sizeof(nonGreekLocales) / sizeof(const char*),
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"\xCE\x9F\xCE\x94\xCE\x8C\xCE\xA3 \xCE\x9F\xCE\x94\xCE\x8C\xCE\xA3 \xCE\xA3\xCE\x9F \xCE\xA3\xCE\x9F \x4F\xCE\xA3 \xCE\x9F\xCE\xA3 \xCE\xA3 \xE1\xBC\x9D\xCE\x9E",
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}, {
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"Lithuanian input",
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lithuanianInput,
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lithuanianLocales,
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sizeof(lithuanianLocales) / sizeof(const char*),
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"I \xC3\x8F J J\xCC\x88 \xC4\xAE \xC4\xAE\xCC\x88 \xC3\x8C \xC3\x8D \xC4\xA8 XI\xCC\x88 XJ\xCC\x88 X\xC4\xAE\xCC\x88 XI\xCC\x80 XI\xCC\x81 XI\xCC\x83 XI X\xC3\x8F XJ XJ\xCC\x88 X\xC4\xAE X\xC4\xAE\xCC\x88",
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}, {
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"Lithuanian input",
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lithuanianInput,
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nonLithuanianLocales,
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sizeof(nonLithuanianLocales) / sizeof(const char*),
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"I \xC3\x8F J J\xCC\x88 \xC4\xAE \xC4\xAE\xCC\x88 \xC3\x8C \xC3\x8D \xC4\xA8 XI\xCC\x87\xCC\x88 XJ\xCC\x87\xCC\x88 X\xC4\xAE\xCC\x87\xCC\x88 XI\xCC\x87\xCC\x80 XI\xCC\x87\xCC\x81 XI\xCC\x87\xCC\x83 XI X\xC3\x8F XJ XJ\xCC\x88 X\xC4\xAE X\xC4\xAE\xCC\x88",
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},
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};
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for (size_t i = 0; i < sizeof(testDataList) / sizeof(testDataList[0]); ++i) {
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const char* expected = testDataList[i].expected;
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String source = String::fromUTF8(testDataList[i].source);
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for (size_t j = 0; j < testDataList[i].localeListLength; ++j) {
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const char* locale = testDataList[i].localeList[j];
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EXPECT_STREQ(expected, source.upper(locale).utf8().data()) << testDataList[i].sourceDescription << "; locale=" << locale;
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}
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}
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}
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TEST(WTF, StringToLowerLocale)
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{
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CaseFoldingTestData testDataList[] = {
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{
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"Turkic input",
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turkicInput,
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turkicLocales,
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sizeof(turkicLocales) / sizeof(const char*),
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"\xC4\xB1sii is\xC4\xB1\xC4\xB1",
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}, {
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"Turkic input",
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turkicInput,
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nonTurkicLocales,
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sizeof(nonTurkicLocales) / sizeof(const char*),
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// U+0130 is lowercased to U+0069 followed by U+0307
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"isii\xCC\x87 i\xCC\x87s\xC4\xB1i",
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}, {
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"Greek input",
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greekInput,
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greekLocales,
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sizeof(greekLocales) / sizeof(const char*),
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"\xCE\xBF\xCE\xB4\xCF\x8C\xCF\x82 \xCE\xBF\xCE\xB4\xCF\x8C\xCF\x82 \xCF\x83\xCE\xBF \xCF\x83\xCE\xBF \x6F\xCF\x82 \xCE\xBF\xCF\x82 \xCF\x83 \xE1\xBC\x95\xCE\xBE",
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}, {
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"Greek input",
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greekInput,
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nonGreekLocales,
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sizeof(greekLocales) / sizeof(const char*),
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"\xCE\xBF\xCE\xB4\xCF\x8C\xCF\x82 \xCE\xBF\xCE\xB4\xCF\x8C\xCF\x82 \xCF\x83\xCE\xBF \xCF\x83\xCE\xBF \x6F\xCF\x82 \xCE\xBF\xCF\x82 \xCF\x83 \xE1\xBC\x95\xCE\xBE",
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}, {
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"Lithuanian input",
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lithuanianInput,
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lithuanianLocales,
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sizeof(lithuanianLocales) / sizeof(const char*),
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"i \xC3\xAF j j\xCC\x87\xCC\x88 \xC4\xAF \xC4\xAF\xCC\x87\xCC\x88 i\xCC\x87\xCC\x80 i\xCC\x87\xCC\x81 i\xCC\x87\xCC\x83 xi\xCC\x87\xCC\x88 xj\xCC\x87\xCC\x88 x\xC4\xAF\xCC\x87\xCC\x88 xi\xCC\x87\xCC\x80 xi\xCC\x87\xCC\x81 xi\xCC\x87\xCC\x83 xi x\xC3\xAF xj xj\xCC\x87\xCC\x88 x\xC4\xAF x\xC4\xAF\xCC\x87\xCC\x88",
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}, {
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"Lithuanian input",
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lithuanianInput,
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nonLithuanianLocales,
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sizeof(nonLithuanianLocales) / sizeof(const char*),
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"\x69 \xC3\xAF \x6A \x6A\xCC\x88 \xC4\xAF \xC4\xAF\xCC\x88 \xC3\xAC \xC3\xAD \xC4\xA9 \x78\x69\xCC\x87\xCC\x88 \x78\x6A\xCC\x87\xCC\x88 \x78\xC4\xAF\xCC\x87\xCC\x88 \x78\x69\xCC\x87\xCC\x80 \x78\x69\xCC\x87\xCC\x81 \x78\x69\xCC\x87\xCC\x83 \x78\x69 \x78\xC3\xAF \x78\x6A \x78\x6A\xCC\x88 \x78\xC4\xAF \x78\xC4\xAF\xCC\x88",
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},
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};
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for (size_t i = 0; i < sizeof(testDataList) / sizeof(testDataList[0]); ++i) {
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const char* expected = testDataList[i].expected;
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String source = String::fromUTF8(testDataList[i].source);
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for (size_t j = 0; j < testDataList[i].localeListLength; ++j) {
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const char* locale = testDataList[i].localeList[j];
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EXPECT_STREQ(expected, source.lower(locale).utf8().data()) << testDataList[i].sourceDescription << "; locale=" << locale;
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}
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}
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}
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} // namespace
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