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// builder_test.h
/* Copyright 2009 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/unittest/unittest.h"
#include "mongo/bson/util/builder.h"
namespace mongo {
TEST(Builder, String1) {
const char* big = "eliot was here";
StringData small(big, 5);
ASSERT_EQUALS(small, "eliot");
BufBuilder bb;
bb.appendStr(small);
ASSERT_EQUALS(0, strcmp(bb.buf(), "eliot"));
ASSERT_EQUALS(0, strcmp("eliot", bb.buf()));
}
TEST(Builder, StringBuilderAddress) {
const void* longPtr = reinterpret_cast<const void*>(-1);
const void* shortPtr = reinterpret_cast<const void*>(static_cast<uintptr_t>(0xDEADBEEF));
const void* nullPtr = NULL;
StringBuilder sb;
sb << longPtr;
if (sizeof(longPtr) == 8) {
ASSERT_EQUALS("0xFFFFFFFFFFFFFFFF", sb.str());
} else {
ASSERT_EQUALS("0xFFFFFFFF", sb.str());
}
sb.reset();
sb << shortPtr;
ASSERT_EQUALS("0xDEADBEEF", sb.str());
sb.reset();
sb << nullPtr;
ASSERT_EQUALS("0x0", sb.str());
}
TEST(Builder, BooleanOstreamOperator) {
StringBuilder sb;
sb << true << false << true;
ASSERT_EQUALS("101", sb.str());
sb.reset();
sb << "{abc: " << true << ", def: " << false << "}";
ASSERT_EQUALS("{abc: 1, def: 0}", sb.str());
}
TEST(Builder, StackAllocatorShouldNotLeak) {
StackAllocator stackAlloc;
stackAlloc.malloc(StackAllocator::SZ + 1); // Force heap allocation.
// Let the builder go out of scope. If this leaks, it will trip the ASAN leak detector.
}
template <typename T>
void testStringBuilderIntegral() {
auto check = [](T num) { ASSERT_EQ(std::string(str::stream() << num), std::to_string(num)); };
// Do some simple sanity checks.
check(0);
check(1);
check(-1);
check(std::numeric_limits<T>::min());
check(std::numeric_limits<T>::max());
// Check the full range of int16_t. Using int32_t as loop variable to detect when we are done.
for (int32_t num = std::numeric_limits<int16_t>::min();
num <= std::numeric_limits<int16_t>::max();
num++) {
check(num);
}
}
TEST(Builder, AppendInt) {
testStringBuilderIntegral<int>();
}
TEST(Builder, AppendUnsigned) {
testStringBuilderIntegral<unsigned>();
}
TEST(Builder, AppendLong) {
testStringBuilderIntegral<long>();
}
TEST(Builder, AppendUnsignedLong) {
testStringBuilderIntegral<unsigned long>();
}
TEST(Builder, AppendLongLong) {
testStringBuilderIntegral<long long>();
}
TEST(Builder, AppendUnsignedLongLong) {
testStringBuilderIntegral<unsigned long long>();
}
TEST(Builder, AppendShort) {
testStringBuilderIntegral<short>();
}
}
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