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//===- llvm/unittest/ADT/polymorphic_ptr.h - polymorphic_ptr<T> tests -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "llvm/ADT/polymorphic_ptr.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
namespace {
TEST(polymorphic_ptr_test, Basic) {
struct S {
S(int x) : x(x) {}
int x;
};
polymorphic_ptr<S> null;
EXPECT_FALSE((bool)null);
EXPECT_TRUE(!null);
EXPECT_EQ((S*)0, null.get());
S *s = new S(42);
polymorphic_ptr<S> p(s);
EXPECT_TRUE((bool)p);
EXPECT_FALSE(!p);
EXPECT_TRUE(p != null);
EXPECT_FALSE(p == null);
EXPECT_TRUE(p == s);
EXPECT_TRUE(s == p);
EXPECT_FALSE(p != s);
EXPECT_FALSE(s != p);
EXPECT_EQ(s, &*p);
EXPECT_EQ(s, p.operator->());
EXPECT_EQ(s, p.get());
EXPECT_EQ(42, p->x);
EXPECT_EQ(s, p.take());
EXPECT_FALSE((bool)p);
EXPECT_TRUE(!p);
p = s;
EXPECT_TRUE((bool)p);
EXPECT_FALSE(!p);
EXPECT_EQ(s, &*p);
EXPECT_EQ(s, p.operator->());
EXPECT_EQ(s, p.get());
EXPECT_EQ(42, p->x);
polymorphic_ptr<S> p2((llvm_move(p)));
EXPECT_FALSE((bool)p);
EXPECT_TRUE(!p);
EXPECT_TRUE((bool)p2);
EXPECT_FALSE(!p2);
EXPECT_EQ(s, &*p2);
using std::swap;
swap(p, p2);
EXPECT_TRUE((bool)p);
EXPECT_FALSE(!p);
EXPECT_EQ(s, &*p);
EXPECT_FALSE((bool)p2);
EXPECT_TRUE(!p2);
}
}