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/**
* Copyright (C) 2012 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string>
#include "mongo/base/string_data.h"
#include "mongo/unittest/unittest.h"
namespace {
using mongo::StringData;
using std::string;
TEST(Construction, Empty) {
StringData strData;
ASSERT_EQUALS(strData.size(), 0U);
ASSERT_TRUE(strData.rawData() == NULL);
}
TEST(Construction, FromStdString) {
std::string base("aaa");
StringData strData(base);
ASSERT_EQUALS(strData.size(), base.size());
ASSERT_EQUALS(strData.toString(), base);
}
TEST(Construction, FromCString) {
std::string base("aaa");
StringData strData(base.c_str());
ASSERT_EQUALS(strData.size(), base.size());
ASSERT_EQUALS(strData.toString(), base);
}
TEST(Construction, FromNullCString) {
char* c = NULL;
StringData strData(c);
ASSERT_EQUALS(strData.size(), 0U);
ASSERT_TRUE(strData.rawData() == NULL);
}
TEST(Construction, FromLiteral) {
StringData strData("ccc", StringData::LiteralTag());
ASSERT_EQUALS(strData.size(), 3U);
ASSERT_EQUALS(strData.toString(), string("ccc"));
}
TEST(Comparison, BothEmpty) {
StringData empty("");
ASSERT_TRUE(empty == empty);
ASSERT_FALSE(empty != empty);
ASSERT_FALSE(empty > empty);
ASSERT_TRUE(empty >= empty);
ASSERT_FALSE(empty < empty);
ASSERT_TRUE(empty <= empty);
}
TEST(Comparison, BothNonEmptyOnSize) {
StringData a("a");
StringData aa("aa");
ASSERT_FALSE(a == aa);
ASSERT_TRUE(a != aa);
ASSERT_FALSE(a > aa);
ASSERT_FALSE(a >= aa);
ASSERT_TRUE(a >= a);
ASSERT_TRUE(a < aa);
ASSERT_TRUE(a <= aa);
ASSERT_TRUE(a <= a);
}
TEST(Comparison, BothNonEmptyOnContent) {
StringData a("a");
StringData b("b");
ASSERT_FALSE(a == b);
ASSERT_TRUE(a != b);
ASSERT_FALSE(a > b);
ASSERT_FALSE(a >= b);
ASSERT_TRUE(a < b);
ASSERT_TRUE(a <= b);
}
TEST(Comparison, MixedEmptyAndNot) {
StringData empty("");
StringData a("a");
ASSERT_FALSE(a == empty);
ASSERT_TRUE(a != empty);
ASSERT_TRUE(a > empty);
ASSERT_TRUE(a >= empty);
ASSERT_FALSE(a < empty);
ASSERT_FALSE(a <= empty);
}
TEST(Find, Char1) {
ASSERT_EQUALS( string::npos, StringData( "foo" ).find( 'a' ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).find( 'f' ) );
ASSERT_EQUALS( 1U, StringData( "foo" ).find( 'o' ) );
}
TEST(Find, Str1 ) {
ASSERT_EQUALS( string::npos, StringData( "foo" ).find( "asdsadasda" ) );
ASSERT_EQUALS( string::npos, StringData( "foo" ).find( "a" ) );
ASSERT_EQUALS( string::npos, StringData( "foo" ).find( "food" ) );
ASSERT_EQUALS( string::npos, StringData( "foo" ).find( "ooo" ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).find( "f" ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).find( "fo" ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).find( "foo" ) );
ASSERT_EQUALS( 1U, StringData( "foo" ).find( "o" ) );
ASSERT_EQUALS( 1U, StringData( "foo" ).find( "oo" ) );
ASSERT_EQUALS( string("foo").find( "" ), StringData("foo").find( "" ) );
}
TEST(Rfind, Char1) {
ASSERT_EQUALS( string::npos, StringData( "foo" ).rfind( 'a' ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).rfind( 'f' ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).rfind( 'f', 3 ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).rfind( 'f', 2 ) );
ASSERT_EQUALS( 0U, StringData( "foo" ).rfind( 'f', 1 ) );
ASSERT_EQUALS( string::npos, StringData( "foo", 0 ).rfind( 'f' ) );
ASSERT_EQUALS( 2U, StringData( "foo" ).rfind( 'o' ) );
ASSERT_EQUALS( 2U, StringData( "foo", 3 ).rfind( 'o' ) );
ASSERT_EQUALS( 1U, StringData( "foo", 2 ).rfind( 'o' ) );
ASSERT_EQUALS( string::npos, StringData( "foo", 1 ).rfind( 'o' ) );
ASSERT_EQUALS( string::npos, StringData( "foo", 0 ).rfind( 'o' ) );
}
// this is to verify we match std::string
void SUBSTR_TEST_HELP(StringData big, StringData small, size_t start, size_t len) {
ASSERT_EQUALS(small.toString(), big.toString().substr(start, len));
ASSERT_EQUALS(small, StringData(big).substr(start, len));
}
void SUBSTR_TEST_HELP(StringData big, StringData small, size_t start) {
ASSERT_EQUALS(small.toString(), big.toString().substr(start));
ASSERT_EQUALS(small, StringData(big).substr(start));
}
// [12] is number of args to substr
#define SUBSTR_1_TEST_HELP(big,small,start) \
ASSERT_EQUALS( StringData(small).toString(), StringData(big).toString().substr(start) ); \
ASSERT_EQUALS( StringData(small), StringData(big).substr(start) );
#define SUBSTR_2_TEST_HELP(big,small,start,len) \
ASSERT_EQUALS( StringData(small).toString(), StringData(big).toString().substr(start, len) ); \
ASSERT_EQUALS( StringData(small), StringData(big).substr(start, len) );
TEST(Substr, Simple1 ) {
SUBSTR_1_TEST_HELP( "abcde", "abcde", 0 );
SUBSTR_2_TEST_HELP( "abcde", "abcde", 0, 10 );
SUBSTR_2_TEST_HELP( "abcde", "abcde", 0, 5 );
SUBSTR_2_TEST_HELP( "abcde", "abc", 0, 3 );
SUBSTR_1_TEST_HELP( "abcde", "cde", 2 );
SUBSTR_2_TEST_HELP( "abcde", "cde", 2, 5 );
SUBSTR_2_TEST_HELP( "abcde", "cde", 2, 3 );
SUBSTR_2_TEST_HELP( "abcde", "cd", 2, 2 );
SUBSTR_2_TEST_HELP( "abcde", "cd", 2, 2 );
SUBSTR_1_TEST_HELP( "abcde", "", 5 );
SUBSTR_2_TEST_HELP( "abcde", "", 5, 0 );
SUBSTR_2_TEST_HELP( "abcde", "", 5, 10 );
// make sure we don't blow past the end of the StringData
SUBSTR_1_TEST_HELP( StringData("abcdeXXX", 5), "abcde", 0);
SUBSTR_2_TEST_HELP( StringData("abcdeXXX", 5), "abcde", 0, 10);
SUBSTR_1_TEST_HELP( StringData("abcdeXXX", 5), "de", 3);
SUBSTR_2_TEST_HELP( StringData("abcdeXXX", 5), "de", 3, 7);
SUBSTR_1_TEST_HELP( StringData("abcdeXXX", 5), "", 5);
SUBSTR_2_TEST_HELP( StringData("abcdeXXX", 5), "", 5, 1);
}
TEST( equalCaseInsensitiveTest, Simple1 ) {
ASSERT( StringData( "abc" ).equalCaseInsensitive( "abc" ) );
ASSERT( StringData( "abc" ).equalCaseInsensitive( "ABC" ) );
ASSERT( StringData( "ABC" ).equalCaseInsensitive( "abc" ) );
ASSERT( StringData( "ABC" ).equalCaseInsensitive( "ABC" ) );
ASSERT( StringData( "ABC" ).equalCaseInsensitive( "AbC" ) );
ASSERT( !StringData( "ABC" ).equalCaseInsensitive( "AbCd" ) );
ASSERT( !StringData( "ABC" ).equalCaseInsensitive( "AdC" ) );
}
TEST(StartsWith, Simple) {
ASSERT(StringData("").startsWith(""));
ASSERT(!StringData("").startsWith("x"));
ASSERT(StringData("abcde").startsWith(""));
ASSERT(StringData("abcde").startsWith("a"));
ASSERT(StringData("abcde").startsWith("ab"));
ASSERT(StringData("abcde").startsWith("abc"));
ASSERT(StringData("abcde").startsWith("abcd"));
ASSERT(StringData("abcde").startsWith("abcde"));
ASSERT(!StringData("abcde").startsWith("abcdef"));
ASSERT(!StringData("abcde").startsWith("abdce"));
ASSERT(StringData("abcde").startsWith(StringData("abcdeXXXX").substr(0, 4)));
ASSERT(!StringData("abcde").startsWith(StringData("abdef").substr(0, 4)));
ASSERT(!StringData("abcde").substr(0, 3).startsWith("abcd"));
}
TEST(EndsWith, Simple) {
//ASSERT(StringData("").endsWith(""));
ASSERT(!StringData("").endsWith("x"));
//ASSERT(StringData("abcde").endsWith(""));
ASSERT(StringData("abcde").endsWith(StringData("e", 0)));
ASSERT(StringData("abcde").endsWith("e"));
ASSERT(StringData("abcde").endsWith("de"));
ASSERT(StringData("abcde").endsWith("cde"));
ASSERT(StringData("abcde").endsWith("bcde"));
ASSERT(StringData("abcde").endsWith("abcde"));
ASSERT(!StringData("abcde").endsWith("0abcde"));
ASSERT(!StringData("abcde").endsWith("abdce"));
ASSERT(StringData("abcde").endsWith(StringData("bcdef").substr(0, 4)));
ASSERT(!StringData("abcde").endsWith(StringData("bcde", 3)));
ASSERT(!StringData("abcde").substr(0, 3).endsWith("cde"));
}
} // unnamed namespace
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