webrtc_m130/rtc_base/memory/always_valid_pointer_unittest.cc
Jonas Oreland e0e91a624a AlwaysValidPointer - forwarding constructor and tests
Bug: webrtc:10335
Change-Id: I1305ccf8d4f1b25f89fef7d26b090741d5f57f7e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/256106
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Jonas Oreland <jonaso@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36264}
2022-03-19 00:31:37 +00:00

50 lines
1.3 KiB
C++

/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "rtc_base/memory/always_valid_pointer.h"
#include <string>
#include "test/gtest.h"
namespace webrtc {
TEST(AlwaysValidPointerTest, DefaultToEmptyValue) {
AlwaysValidPointer<std::string> ptr(nullptr);
EXPECT_EQ(*ptr, "");
}
TEST(AlwaysValidPointerTest, DefaultWithForwardedArgument) {
AlwaysValidPointer<std::string> ptr(nullptr, "test");
EXPECT_EQ(*ptr, "test");
}
TEST(AlwaysValidPointerTest, DefaultToSubclass) {
struct A {
virtual ~A() {}
virtual int f() = 0;
};
struct B : public A {
int b = 0;
explicit B(int val) : b(val) {}
virtual ~B() {}
int f() override { return b; }
};
AlwaysValidPointer<A, B> ptr(nullptr, 3);
EXPECT_EQ(ptr->f(), 3);
EXPECT_EQ((*ptr).f(), 3);
EXPECT_EQ(ptr.get()->f(), 3);
}
TEST(AlwaysValidPointerTest, NonDefaultValue) {
std::string str("keso");
AlwaysValidPointer<std::string> ptr(&str, "test");
EXPECT_EQ(*ptr, "keso");
}
} // namespace webrtc