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