This source file includes following definitions.
- set_ptr
- SomeMeth
- TakePointer
- TEST
#include <libaddressinput/util/scoped_ptr.h>
#include <libaddressinput/util/basictypes.h>
#include <gtest/gtest.h>
namespace {
class ConDecLogger {
public:
ConDecLogger() : ptr_(NULL) { }
explicit ConDecLogger(int* ptr) { set_ptr(ptr); }
~ConDecLogger() { --*ptr_; }
void set_ptr(int* ptr) { ptr_ = ptr; ++*ptr_; }
int SomeMeth(int x) { return x; }
private:
int* ptr_;
DISALLOW_COPY_AND_ASSIGN(ConDecLogger);
};
void TakePointer(scoped_ptr<ConDecLogger> pointer) {}
TEST(ScopedPtrTest, ScopedPtr) {
int constructed = 0;
{
scoped_ptr<ConDecLogger> scoper(new ConDecLogger(&constructed));
EXPECT_EQ(1, constructed);
EXPECT_TRUE(scoper);
EXPECT_TRUE(scoper.get());
EXPECT_EQ(10, scoper->SomeMeth(10));
EXPECT_EQ(10, scoper.get()->SomeMeth(10));
EXPECT_EQ(10, (*scoper).SomeMeth(10));
}
EXPECT_EQ(0, constructed);
{
scoped_ptr<ConDecLogger> scoper(new ConDecLogger(&constructed));
EXPECT_EQ(1, constructed);
EXPECT_TRUE(scoper);
scoper.reset(new ConDecLogger(&constructed));
EXPECT_EQ(1, constructed);
EXPECT_TRUE(scoper);
scoper.reset();
EXPECT_EQ(0, constructed);
EXPECT_FALSE(scoper);
scoper.reset(new ConDecLogger(&constructed));
EXPECT_EQ(1, constructed);
EXPECT_TRUE(scoper);
ConDecLogger* take = scoper.release();
EXPECT_EQ(1, constructed);
EXPECT_FALSE(scoper);
delete take;
EXPECT_EQ(0, constructed);
scoper.reset(new ConDecLogger(&constructed));
EXPECT_EQ(1, constructed);
EXPECT_TRUE(scoper);
}
EXPECT_EQ(0, constructed);
{
scoped_ptr<ConDecLogger> scoper1;
scoped_ptr<ConDecLogger> scoper2;
EXPECT_TRUE(scoper1 == scoper2.get());
EXPECT_FALSE(scoper1 != scoper2.get());
ConDecLogger* logger = new ConDecLogger(&constructed);
scoper1.reset(logger);
EXPECT_EQ(logger, scoper1.get());
EXPECT_FALSE(scoper2.get());
EXPECT_FALSE(scoper1 == scoper2.get());
EXPECT_TRUE(scoper1 != scoper2.get());
scoper2.swap(scoper1);
EXPECT_EQ(logger, scoper2.get());
EXPECT_FALSE(scoper1.get());
EXPECT_FALSE(scoper1 == scoper2.get());
EXPECT_TRUE(scoper1 != scoper2.get());
}
EXPECT_EQ(0, constructed);
{
scoped_ptr<ConDecLogger> scoper(new ConDecLogger(&constructed));
EXPECT_EQ(1, constructed);
TakePointer(scoper.Pass());
EXPECT_EQ(0, constructed);
EXPECT_FALSE(scoper);
TakePointer(make_scoped_ptr(new ConDecLogger(&constructed)));
}
EXPECT_EQ(0, constructed);
}
}