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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
// activate the extra needed ctor
#define RTL_STRING_UNITTEST
#include <sal/config.h>
#include <string>
#include <string_view>
#include <utility>
#include <o3tl/cppunittraitshelper.hxx>
#include <sal/types.h>
#include <config_global.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <rtl/string.h>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
extern bool rtl_string_unittest_const_literal;
bool rtl_string_unittest_invalid_conversion;
namespace test::oustring {
class StringLiterals: public CppUnit::TestFixture
{
private:
void checkCtors();
void checkConstexprCtor();
void checkUsage();
void checkBuffer();
void checkOUStringLiteral();
void checkOUStringChar();
void checkUtf16();
void checkEmbeddedNul();
void testcall( const char str[] );
// Check that OUStringLiteral ctor is actually constexpr:
static constexpr rtlunittest::OUStringLiteral dummy{u"dummy"};
CPPUNIT_TEST_SUITE(StringLiterals);
CPPUNIT_TEST(checkCtors);
CPPUNIT_TEST(checkConstexprCtor);
CPPUNIT_TEST(checkUsage);
CPPUNIT_TEST(checkBuffer);
CPPUNIT_TEST(checkOUStringLiteral);
CPPUNIT_TEST(checkOUStringChar);
CPPUNIT_TEST(checkUtf16);
CPPUNIT_TEST(checkEmbeddedNul);
CPPUNIT_TEST_SUITE_END();
};
// reset the flag, evaluate the expression and return
// whether the string literal ctor was used (i.e. whether the conversion was valid)
template<typename T> static bool VALID_CONVERSION( T && expression )
{
rtl_string_unittest_invalid_conversion = false;
// OK to std::forward expression twice; what is relevant in both ctor calls
// is not the content of the passed argument (which is ignored anyway by the
// special RTL_STRING_UNITTEST ctors) but only its type:
( void ) rtl::OUString( std::forward<T>(expression) );
( void ) rtl::OUStringBuffer( std::forward<T>(expression) );
return !rtl_string_unittest_invalid_conversion;
}
template<typename T> static bool VALID_CONVERSION_CALL( T f )
{
rtl_string_unittest_invalid_conversion = false;
( void ) rtl::OUString( f() );
( void ) rtl::OUStringBuffer( f() );
return !rtl_string_unittest_invalid_conversion;
}
void test::oustring::StringLiterals::checkCtors()
{
CPPUNIT_ASSERT( VALID_CONVERSION( "test" ));
const char good1[] = "test";
CPPUNIT_ASSERT( VALID_CONVERSION( good1 ));
CPPUNIT_ASSERT( !VALID_CONVERSION( static_cast<const char*>("test") ));
const char* bad1 = good1;
CPPUNIT_ASSERT( !VALID_CONVERSION( bad1 ));
char bad2[] = "test";
CPPUNIT_ASSERT( !VALID_CONVERSION( bad2 ));
char* bad3 = bad2;
CPPUNIT_ASSERT( !VALID_CONVERSION( bad3 ));
const char* bad4[] = { "test1" };
CPPUNIT_ASSERT( !VALID_CONVERSION( bad4[ 0 ] ));
testcall( good1 );
// This one is technically broken, since the first element is 6 characters test\0\0,
// but there does not appear a way to detect this by compile time (runtime will assert()).
// RTL_CONSTASCII_USTRINGPARAM() has the same flaw.
const char bad5[][ 6 ] = { "test", "test2" };
// CPPUNIT_ASSERT( VALID_CONVERSION( bad5[ 0 ] ));
CPPUNIT_ASSERT( VALID_CONVERSION( bad5[ 1 ] ));
// Check that contents are correct and equal to the case when RTL_CONSTASCII_USTRINGPARAM is used.
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "" ), rtl::OUString( "" ));
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "ab" ), rtl::OUString( "ab" ));
#if 0
// Also check that embedded \0 is included.
// In fact, allowing this is probably just trouble, so this now asserts.
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "\0" ), rtl::OUString( "\0" ));
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "a\0b" ), rtl::OUString( "a\0b" ));
#endif
}
void test::oustring::StringLiterals::testcall( const char str[] )
{
CPPUNIT_ASSERT(
!VALID_CONVERSION_CALL([&str]() { return rtl::OUString(str); }));
}
void test::oustring::StringLiterals::checkConstexprCtor()
{
#if __cplusplus >= 202002L
static constinit
#endif
rtl::OUString s(dummy);
CPPUNIT_ASSERT_EQUAL(oslInterlockedCount(0x40000000), s.pData->refCount);
// SAL_STRING_STATIC_FLAG (sal/rtl/strimp.hxx)
CPPUNIT_ASSERT_EQUAL(sal_Int32(5), s.getLength());
CPPUNIT_ASSERT_EQUAL(rtl::OUString("dummy"), s);
CPPUNIT_ASSERT_EQUAL(
static_cast<void const *>(dummy.getStr()), static_cast<void const *>(s.getStr()));
}
void test::oustring::StringLiterals::checkUsage()
{
// simply check that all string literal based calls work as expected
// also check that they really use string literal overload and do not convert to OUString
rtl::OUString foo( "foo" );
rtl::OUString FoO( "FoO" );
rtl::OUString foobarfoo( "foobarfoo" );
rtl::OUString foobar( "foobar" );
rtl::OUString FooBaRfoo( "FooBaRfoo" );
rtl::OUString FooBaR( "FooBaR" );
rtl::OUString bar( "bar" );
rtl::OUString test( "test" );
rtl_string_unittest_const_literal = false; // start checking for OUString conversions
CPPUNIT_ASSERT_EQUAL( foo, rtl::OUString() = "foo" );
CPPUNIT_ASSERT( FoO.equalsIgnoreAsciiCase( "fOo" ));
CPPUNIT_ASSERT( foobarfoo.match( "bar", 3 ));
CPPUNIT_ASSERT( foobar.match( "foo" ));
CPPUNIT_ASSERT( FooBaRfoo.matchIgnoreAsciiCase( "bAr", 3 ));
CPPUNIT_ASSERT( FooBaR.matchIgnoreAsciiCase( "fOo" ));
CPPUNIT_ASSERT( foobar.startsWith( "foo" ));
CPPUNIT_ASSERT( FooBaR.startsWithIgnoreAsciiCase( "foo" ));
CPPUNIT_ASSERT( foobar.endsWith( "bar" ));
CPPUNIT_ASSERT( FooBaR.endsWithIgnoreAsciiCase( "bar" ));
CPPUNIT_ASSERT( bool(foo == "foo") );
CPPUNIT_ASSERT( bool("foo" == foo) );
CPPUNIT_ASSERT( foo != "bar" );
CPPUNIT_ASSERT( "foo" != bar );
CPPUNIT_ASSERT_EQUAL( static_cast<sal_Int32>(6), foobarfoo.indexOf( "foo", 1 ) );
CPPUNIT_ASSERT_EQUAL( static_cast<sal_Int32>(6), foobarfoo.lastIndexOf( "foo" ) );
CPPUNIT_ASSERT( bool(foobarfoo.replaceFirst( "foo", test ) == "testbarfoo") );
CPPUNIT_ASSERT( bool(foobarfoo.replaceFirst( "foo", "test" ) == "testbarfoo") );
CPPUNIT_ASSERT( bool(foobarfoo.replaceAll( "foo", test ) == "testbartest") );
CPPUNIT_ASSERT( bool(foobarfoo.replaceAll( "foo", "test" ) == "testbartest") );
CPPUNIT_ASSERT_EQUAL( static_cast<sal_Int32>(0), foo.reverseCompareTo( "foo" ) );
// if this is not true, some of the calls above converted to OUString
CPPUNIT_ASSERT( !rtl_string_unittest_const_literal );
}
void test::oustring::StringLiterals::checkBuffer()
{
rtl::OUStringBuffer buf;
buf.append( "foo" );
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "foo" ), buf.toString());
buf.append( "bar" );
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "foobar" ), buf.toString());
buf.insert( 3, "baz" );
CPPUNIT_ASSERT_EQUAL( rtl::OUString( "foobazbar" ), buf.toString());
char d[] = "d";
CPPUNIT_ASSERT( !VALID_CONVERSION( buf.append( rtl::OUString( d ))));
CPPUNIT_ASSERT( !VALID_CONVERSION( buf.append( rtl::OUStringBuffer( d ))));
}
namespace {
rtl::OUString conditional(bool flag) {
return rtl::OUString::Concat(flag ? std::u16string_view(u"a") : std::u16string_view(u"bb"))
+ "c";
}
}
void test::oustring::StringLiterals::checkOUStringLiteral()
{
CPPUNIT_ASSERT(bool(conditional(true) == "ac"));
CPPUNIT_ASSERT(bool(conditional(false) == "bbc"));
static constexpr rtlunittest::OUStringLiteral s1lit(u"abc");
rtl::OUString s1(s1lit);
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abc"), s1);
static constexpr rtlunittest::OUStringLiteral de(u"de");
s1 = de;
CPPUNIT_ASSERT_EQUAL(rtl::OUString("de"), s1);
s1 += rtlunittest::OUStringLiteral(u"fde");
CPPUNIT_ASSERT_EQUAL(rtl::OUString("defde"), s1);
CPPUNIT_ASSERT_EQUAL(
sal_Int32(0),
s1.reverseCompareTo(rtlunittest::OUStringLiteral(u"defde")));
CPPUNIT_ASSERT(
s1.equalsIgnoreAsciiCase(rtlunittest::OUStringLiteral(u"DEFDE")));
CPPUNIT_ASSERT(s1.match(rtlunittest::OUStringLiteral(u"fde"), 2));
CPPUNIT_ASSERT(
s1.matchIgnoreAsciiCase(rtlunittest::OUStringLiteral(u"FDE"), 2));
rtl::OUString s2;
CPPUNIT_ASSERT(s1.startsWith(rtlunittest::OUStringLiteral(u"de"), &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("fde"), s2);
CPPUNIT_ASSERT(
s1.startsWithIgnoreAsciiCase(
rtlunittest::OUStringLiteral(u"DEFD"), &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("e"), s2);
CPPUNIT_ASSERT(s1.endsWith(rtlunittest::OUStringLiteral(u"de"), &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("def"), s2);
CPPUNIT_ASSERT(
s1.endsWithIgnoreAsciiCase(rtlunittest::OUStringLiteral(u"EFDE"), &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("d"), s2);
static constexpr rtlunittest::OUStringLiteral defde(u"defde");
CPPUNIT_ASSERT(bool(s1 == defde));
CPPUNIT_ASSERT(bool(defde == s1));
static constexpr rtlunittest::OUStringLiteral abc(u"abc");
CPPUNIT_ASSERT(s1 != abc);
CPPUNIT_ASSERT(abc != s1);
CPPUNIT_ASSERT_EQUAL(
sal_Int32(3), s1.indexOf(rtlunittest::OUStringLiteral(u"de"), 1));
CPPUNIT_ASSERT_EQUAL(
sal_Int32(3), s1.lastIndexOf(rtlunittest::OUStringLiteral(u"de")));
sal_Int32 i = 0;
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfde"),
s1.replaceFirst(
rtlunittest::OUStringLiteral(u"de"), rtl::OUString("abc"), &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfde"),
s1.replaceFirst(
rtl::OUString("de"), rtlunittest::OUStringLiteral(u"abc"), &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfde"),
s1.replaceFirst(
rtlunittest::OUStringLiteral(u"de"),
rtlunittest::OUStringLiteral(u"abc"), &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfde"),
s1.replaceFirst(rtlunittest::OUStringLiteral(u"de"), "abc", &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfde"),
s1.replaceFirst("de", rtlunittest::OUStringLiteral(u"abc"), &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfabc"),
s1.replaceAll(
rtlunittest::OUStringLiteral(u"de"), rtl::OUString("abc")));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfabc"),
s1.replaceAll(
rtl::OUString("de"), rtlunittest::OUStringLiteral(u"abc")));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfabc"),
s1.replaceAll(
rtlunittest::OUStringLiteral(u"de"),
rtlunittest::OUStringLiteral(u"abc")));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfabc"),
s1.replaceAll(rtlunittest::OUStringLiteral(u"de"), "abc"));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcfabc"),
s1.replaceAll("de", rtlunittest::OUStringLiteral(u"abc")));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcdef"),
rtl::OUString(
rtl::OUString("abc") + rtlunittest::OUStringLiteral(u"def")));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcdef"),
rtl::OUString(
rtlunittest::OUStringLiteral(u"abc") + rtl::OUString("def")));
rtl::OUStringBuffer b(rtlunittest::OUStringLiteral(u"abc"));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abc"), b.toString());
b.append(rtlunittest::OUStringLiteral(u"def"));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abcdef"), b.toString());
b.insert(2, rtlunittest::OUStringLiteral(u"gabab"));
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abgababcdef"), b.toString());
CPPUNIT_ASSERT_EQUAL(
sal_Int32(3), b.indexOf(rtlunittest::OUStringLiteral(u"ab"), 1));
CPPUNIT_ASSERT_EQUAL(
sal_Int32(5), b.lastIndexOf(rtlunittest::OUStringLiteral(u"ab")));
}
void test::oustring::StringLiterals::checkOUStringChar()
{
auto l1 = rtlunittest::OUStringChar('A');
CPPUNIT_ASSERT_EQUAL(u'A', l1.c);
char const c2 = 'A';
auto l2 = rtlunittest::OUStringChar(c2);
CPPUNIT_ASSERT_EQUAL(u'A', l2.c);
char c3 = 'A'; auto l3 = rtlunittest::OUStringChar(c3);
CPPUNIT_ASSERT_EQUAL(u'A', l3.c);
auto l4 = rtlunittest::OUStringChar(u'A');
CPPUNIT_ASSERT_EQUAL(u'A', l4.c);
sal_Unicode const c5 = 0x100;
auto l5 = rtlunittest::OUStringChar(c5);
CPPUNIT_ASSERT_EQUAL(c5, l5.c);
rtl::OUString s1{rtlunittest::OUStringChar('A')};
CPPUNIT_ASSERT_EQUAL(sal_Int32(1), s1.getLength());
CPPUNIT_ASSERT_EQUAL(u'A', s1[0]);
CPPUNIT_ASSERT_EQUAL(
true, rtl::OUString("A") == rtlunittest::OUStringChar('A'));
CPPUNIT_ASSERT_EQUAL(
false, rtl::OUString("AB") == rtlunittest::OUStringChar('A'));
CPPUNIT_ASSERT_EQUAL(
false, rtl::OUString("A") != rtlunittest::OUStringChar('A'));
CPPUNIT_ASSERT_EQUAL(
true, rtl::OUString("AB") != rtlunittest::OUStringChar('A'));
rtl::OUString s2("A" + rtlunittest::OUStringChar('b'));
CPPUNIT_ASSERT_EQUAL(sal_Int32(2), s2.getLength());
CPPUNIT_ASSERT_EQUAL(u'A', s2[0]);
CPPUNIT_ASSERT_EQUAL(u'b', s2[1]);
}
void test::oustring::StringLiterals::checkUtf16() {
rtl::OUString s1(u"abc");
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abc"), s1);
s1 = u"de";
CPPUNIT_ASSERT_EQUAL(rtl::OUString("de"), s1);
s1 += u"fde";
CPPUNIT_ASSERT_EQUAL(rtl::OUString("defde"), s1);
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), s1.reverseCompareTo(u"defde"));
CPPUNIT_ASSERT(s1.equalsIgnoreAsciiCase(u"DEFDE"));
CPPUNIT_ASSERT(s1.match(u"fde", 2));
CPPUNIT_ASSERT(s1.matchIgnoreAsciiCase(u"FDE", 2));
rtl::OUString s2;
CPPUNIT_ASSERT(s1.startsWith(u"de", &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString(u"fde"), s2);
CPPUNIT_ASSERT(s1.startsWithIgnoreAsciiCase(u"DEFD", &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString(u"e"), s2);
CPPUNIT_ASSERT(s1.endsWith(u"de", &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString(u"def"), s2);
CPPUNIT_ASSERT(s1.endsWithIgnoreAsciiCase(u"EFDE", &s2));
CPPUNIT_ASSERT_EQUAL(rtl::OUString(u"d"), s2);
CPPUNIT_ASSERT(bool(s1 == u"defde"));
CPPUNIT_ASSERT(bool(u"defde" == s1));
CPPUNIT_ASSERT(s1 != u"abc");
CPPUNIT_ASSERT(u"abc" != s1);
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), s1.indexOf(u"de", 1));
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), s1.lastIndexOf(u"de"));
sal_Int32 i = 0;
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfde"),
s1.replaceFirst(u"de", rtl::OUString("abc"), &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfde"),
s1.replaceFirst(rtl::OUString("de"), u"abc", &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfde"), s1.replaceFirst(u"de", u"abc", &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfde"), s1.replaceFirst(u"de", "abc", &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfde"), s1.replaceFirst("de", u"abc", &i));
CPPUNIT_ASSERT_EQUAL(sal_Int32(0), i);
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfabc"), s1.replaceAll(u"de", rtl::OUString("abc")));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfabc"), s1.replaceAll(rtl::OUString("de"), u"abc"));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfabc"), s1.replaceAll(u"de", u"abc"));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfabc"), s1.replaceAll(u"de", "abc"));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString(u"abcfabc"), s1.replaceAll("de", u"abc"));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcdef"), rtl::OUString(rtl::OUString("abc") + u"def"));
CPPUNIT_ASSERT_EQUAL(
rtl::OUString("abcdef"), rtl::OUString(u"abc" + rtl::OUString("def")));
rtl::OUStringBuffer b(u"abc");
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abc"), b.toString());
b.append(u"def");
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abcdef"), b.toString());
b.insert(2, u"gabab");
CPPUNIT_ASSERT_EQUAL(rtl::OUString("abgababcdef"), b.toString());
CPPUNIT_ASSERT_EQUAL(sal_Int32(3), b.indexOf(u"ab", 1));
CPPUNIT_ASSERT_EQUAL(sal_Int32(5), b.lastIndexOf(u"ab"));
}
void test::oustring::StringLiterals::checkEmbeddedNul() {
using namespace std::literals;
rtl::OUString const s("foobar");
constexpr char16_t const a[] = u"foo\0hidden";
char16_t const * const p = a;
CPPUNIT_ASSERT(s.startsWith(a));
CPPUNIT_ASSERT(s.startsWith(p));
CPPUNIT_ASSERT(s.startsWith(u"foo\0hidden"));
CPPUNIT_ASSERT(!s.startsWith(u"foo\0hidden"s));
CPPUNIT_ASSERT(!s.startsWith(u"foo\0hidden"sv));
/*TODO:*/
CPPUNIT_ASSERT(!s.startsWith(rtlunittest::OUStringLiteral(a)));
CPPUNIT_ASSERT(!s.startsWith(rtlunittest::OUStringLiteral(u"foo\0hidden")));
/*TODO*/
}
} // namespace
CPPUNIT_TEST_SUITE_REGISTRATION(test::oustring::StringLiterals);
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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