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/**
* Copyright 2013 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects
* for all of the code used other than as permitted herein. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you do not
* wish to do so, delete this exception statement from your version. If you
* delete this exception statement from all source files in the program,
* then also delete it in the license file.
*/
#include "mongo/db/field_ref_set.h"
#include "mongo/db/field_ref.h"
#include "mongo/unittest/unittest.h"
namespace {
using mongo::FieldRef;
using mongo::FieldRefSet;
TEST(EmptySet, Normal) {
// insert "b"
FieldRefSet fieldSet;
FieldRef bSimple("b");
const FieldRef* conflict;
ASSERT_TRUE(fieldSet.insert(&bSimple, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "a", OK
FieldRef aSimple("a");
ASSERT_TRUE(fieldSet.insert(&aSimple, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "c", OK
FieldRef cSimple("c");
ASSERT_TRUE(fieldSet.insert(&cSimple, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
}
TEST(EmptySet, Conflict) {
// insert "a.b"
FieldRefSet fieldSet;
FieldRef aDotB("a.b");
const FieldRef* conflict;
ASSERT_TRUE(fieldSet.insert(&aDotB, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "a", conflicts with "a.b"
FieldRef prefix("a");
ASSERT_FALSE(fieldSet.insert(&prefix, &conflict));
ASSERT_EQUALS(aDotB, *conflict);
// insert "a.b.c", conflicts with "a.b"
FieldRef superSet("a.b.c");
ASSERT_FALSE(fieldSet.insert(&superSet, &conflict));
ASSERT_EQUALS(aDotB, *conflict);
}
TEST(EmptySet, EmptyField) {
// Old data may have empty field names. We test that we can catch conflicts if we try
// to insert an empty field twice.
FieldRefSet fieldSet;
FieldRef empty;
const FieldRef* conflict;
ASSERT_TRUE(fieldSet.insert(&empty, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
ASSERT_FALSE(fieldSet.insert(&empty, &conflict));
ASSERT_EQUALS(empty, *conflict);
}
TEST(NotEmptySet, Normal) {
// insert "b.c" and "b.e"
FieldRefSet fieldSet;
FieldRef bDotC("b.c");
FieldRef bDotE("b.e");
const FieldRef* conflict;
ASSERT_TRUE(fieldSet.insert(&bDotC, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
ASSERT_TRUE(fieldSet.insert(&bDotE, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "a" before, OK
FieldRef aSimple("a");
ASSERT_TRUE(fieldSet.insert(&aSimple, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "b.d" in the middle, OK
FieldRef bDotD("b.d");
ASSERT_TRUE(fieldSet.insert(&bDotD, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "c" after, OK
FieldRef cSimple("c");
ASSERT_TRUE(fieldSet.insert(&cSimple, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
}
TEST(NotEmpty, Conflict) {
// insert "b.c" and "b.e"
FieldRefSet fieldSet;
FieldRef bDotC("b.c");
FieldRef bDotE("b.e");
const FieldRef* conflict;
ASSERT_TRUE(fieldSet.insert(&bDotC, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
ASSERT_TRUE(fieldSet.insert(&bDotE, &conflict));
ASSERT_EQUALS(static_cast<const FieldRef*>(NULL), conflict);
// insert "b" before, conflicts "b.c"
FieldRef bSimple("b");
ASSERT_FALSE(fieldSet.insert(&bSimple, &conflict));
ASSERT_EQUALS(bDotC, *conflict);
// insert: "b.c.d" in the "middle", conflicts "b.c"
FieldRef bDotCDotD("b.c.d");
ASSERT_FALSE(fieldSet.insert(&bDotCDotD, &conflict));
ASSERT_EQUALS(bDotC, *conflict);
// insert: "b.e.f" at the end, conflicts "b.e"
FieldRef bDotEDotF("b.e.f");
ASSERT_FALSE(fieldSet.insert(&bDotEDotF, &conflict));
ASSERT_EQUALS(bDotE, *conflict);
}
} // unnamed namespace
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