Make the fuchsia mojo/public repo the source of truth.

mojo/public/cpp/system/tests/handle_unittest.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This file tests the C++ wrappers in mojo/public/cpp/system/handle.h.
-
-#include "mojo/public/cpp/system/handle.h"
-
-#include <map>
-#include <utility>
-
-#include "gtest/gtest.h"
-#include "mojo/public/cpp/system/buffer.h"
-#include "mojo/public/cpp/system/macros.h"
-
-namespace mojo {
-namespace {
-
-// Basic |Handle| tests.
-TEST(HandleTest, Handle) {
-  EXPECT_EQ(MOJO_HANDLE_INVALID, kInvalidHandleValue);
-
-  Handle h0;
-  EXPECT_EQ(kInvalidHandleValue, h0.value());
-  EXPECT_EQ(kInvalidHandleValue, *h0.mutable_value());
-  EXPECT_FALSE(h0.is_valid());
-
-  Handle h1(static_cast<MojoHandle>(123));
-  EXPECT_EQ(static_cast<MojoHandle>(123), h1.value());
-  EXPECT_EQ(static_cast<MojoHandle>(123), *h1.mutable_value());
-  EXPECT_TRUE(h1.is_valid());
-  *h1.mutable_value() = static_cast<MojoHandle>(456);
-  EXPECT_EQ(static_cast<MojoHandle>(456), h1.value());
-  EXPECT_TRUE(h1.is_valid());
-
-  h1.swap(h0);
-  EXPECT_EQ(static_cast<MojoHandle>(456), h0.value());
-  EXPECT_TRUE(h0.is_valid());
-  EXPECT_FALSE(h1.is_valid());
-
-  h1.set_value(static_cast<MojoHandle>(789));
-  h0.swap(h1);
-  EXPECT_EQ(static_cast<MojoHandle>(789), h0.value());
-  EXPECT_TRUE(h0.is_valid());
-  EXPECT_EQ(static_cast<MojoHandle>(456), h1.value());
-  EXPECT_TRUE(h1.is_valid());
-
-  // Make sure copy constructor works.
-  Handle h2(h0);
-  EXPECT_EQ(static_cast<MojoHandle>(789), h2.value());
-  // And assignment.
-  h2 = h1;
-  EXPECT_EQ(static_cast<MojoHandle>(456), h2.value());
-
-  // Make sure that we can put |Handle|s into |std::map|s.
-  h0 = Handle(static_cast<MojoHandle>(987));
-  h1 = Handle(static_cast<MojoHandle>(654));
-  h2 = Handle(static_cast<MojoHandle>(321));
-  Handle h3;
-  std::map<Handle, int> handle_to_int;
-  handle_to_int[h0] = 0;
-  handle_to_int[h1] = 1;
-  handle_to_int[h2] = 2;
-  handle_to_int[h3] = 3;
-
-  EXPECT_EQ(4u, handle_to_int.size());
-  EXPECT_FALSE(handle_to_int.find(h0) == handle_to_int.end());
-  EXPECT_EQ(0, handle_to_int[h0]);
-  EXPECT_FALSE(handle_to_int.find(h1) == handle_to_int.end());
-  EXPECT_EQ(1, handle_to_int[h1]);
-  EXPECT_FALSE(handle_to_int.find(h2) == handle_to_int.end());
-  EXPECT_EQ(2, handle_to_int[h2]);
-  EXPECT_FALSE(handle_to_int.find(h3) == handle_to_int.end());
-  EXPECT_EQ(3, handle_to_int[h3]);
-  EXPECT_TRUE(handle_to_int.find(Handle(static_cast<MojoHandle>(13579))) ==
-              handle_to_int.end());
-
-  // TODO(vtl): With C++11, support |std::unordered_map|s, etc.
-}
-
-// Basic |ScopedHandle| tests.
-TEST(HandleTest, ScopedHandle) {
-  // Invalid |ScopedHandle|:
-  {
-    ScopedHandle sh0;
-
-    EXPECT_EQ(kInvalidHandleValue, sh0.get().value());
-    EXPECT_FALSE(sh0.is_valid());
-
-    // This should be a no-op.
-    Close(sh0.Pass());
-
-    // It should still be invalid.
-    EXPECT_FALSE(sh0.is_valid());
-
-    // Move constructible:
-    ScopedHandle sh1(std::move(sh0));
-    EXPECT_FALSE(sh0.is_valid());
-    EXPECT_FALSE(sh1.is_valid());
-
-    // Move assignable:
-    sh0 = std::move(sh1);
-    EXPECT_FALSE(sh0.is_valid());
-    EXPECT_FALSE(sh1.is_valid());
-  }
-
-  // "Valid" |ScopedHandle| (but note that we can't test that it closes the
-  // handle on leaving scope without having a valid handle!):
-  {
-    Handle h0(static_cast<MojoHandle>(123));
-    ScopedHandle sh0(h0);
-
-    EXPECT_EQ(h0.value(), sh0.get().value());
-    EXPECT_TRUE(sh0.is_valid());
-
-    // Move constructible:
-    ScopedHandle sh1(std::move(sh0));
-    EXPECT_FALSE(sh0.is_valid());
-    EXPECT_TRUE(sh1.is_valid());
-
-    // Move assignable:
-    sh0 = std::move(sh1);
-    EXPECT_TRUE(sh0.is_valid());
-    EXPECT_FALSE(sh1.is_valid());
-
-    // We have to release |sh0|, since it's not really valid.
-    Handle h1 = sh0.release();
-    EXPECT_EQ(h0.value(), h1.value());
-  }
-}
-
-TEST(HandleTest, MakeScopedHandle) {
-  EXPECT_FALSE(MakeScopedHandle(Handle()).is_valid());
-
-  Handle h(static_cast<MojoHandle>(123));
-  auto sh = MakeScopedHandle(h);
-  EXPECT_TRUE(sh.is_valid());
-  EXPECT_EQ(h.value(), sh.get().value());
-  // Have to release |sh0|, since it's not really valid.
-  ignore_result(sh.release());
-}
-
-TEST(HandleTest, ScopedHandleMoveCtor) {
-  // We'll use a shared buffer handle (since we need a valid handle) in a
-  // |ScopedSharedBufferHandle|.
-  ScopedSharedBufferHandle buffer1;
-  EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer1));
-  EXPECT_TRUE(buffer1.is_valid());
-
-  ScopedSharedBufferHandle buffer2;
-  EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer2));
-  EXPECT_TRUE(buffer2.is_valid());
-
-  // If this fails to close buffer1, ScopedHandleBase::CloseIfNecessary() will
-  // assert.
-  buffer1 = buffer2.Pass();
-
-  EXPECT_TRUE(buffer1.is_valid());
-  EXPECT_FALSE(buffer2.is_valid());
-}
-
-TEST(HandleTest, ScopedHandleMoveCtorSelf) {
-  // We'll use a shared buffer handle (since we need a valid handle) in a
-  // |ScopedSharedBufferHandle|.
-  ScopedSharedBufferHandle buffer;
-  EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer));
-  EXPECT_TRUE(buffer.is_valid());
-
-  buffer = buffer.Pass();
-
-  EXPECT_TRUE(buffer.is_valid());
-}
-
-TEST(HandleTest, RightsReplaceAndDuplicate) {
-  static constexpr auto kDuplicate = MOJO_HANDLE_RIGHT_DUPLICATE;
-  static constexpr auto kTransfer = MOJO_HANDLE_RIGHT_TRANSFER;
-  static constexpr auto kGetOptions = MOJO_HANDLE_RIGHT_GET_OPTIONS;
-
-  // We'll use a shared buffer handle (since we need a valid handle that's
-  // duplicatable) in a |ScopedSharedBufferHandle|.
-  ScopedSharedBufferHandle buffer1;
-  EXPECT_EQ(MOJO_RESULT_OK, CreateSharedBuffer(nullptr, 1024, &buffer1));
-  EXPECT_TRUE(buffer1.is_valid());
-
-  EXPECT_EQ(kDuplicate | kTransfer | kGetOptions,
-            GetRights(buffer1.get()) & (kDuplicate | kTransfer | kGetOptions));
-
-  MojoHandle old_handle_value = buffer1.get().value();
-  EXPECT_TRUE(ReplaceHandleWithReducedRights(&buffer1, kTransfer));
-  EXPECT_TRUE(buffer1.is_valid());
-  EXPECT_NE(buffer1.get().value(), old_handle_value);
-  EXPECT_EQ(kDuplicate | kGetOptions,
-            GetRights(buffer1.get()) & (kDuplicate | kTransfer | kGetOptions));
-
-  ScopedSharedBufferHandle buffer2 =
-      DuplicateHandleWithReducedRights(buffer1.get(), kGetOptions);
-  EXPECT_TRUE(buffer2.is_valid());
-  EXPECT_NE(buffer2.get().value(), buffer1.get().value());
-  EXPECT_EQ(kDuplicate,
-            GetRights(buffer2.get()) & (kDuplicate | kTransfer | kGetOptions));
-  EXPECT_EQ(kDuplicate | kGetOptions,
-            GetRights(buffer1.get()) & (kDuplicate | kTransfer | kGetOptions));
-
-  ScopedSharedBufferHandle buffer3 = DuplicateHandle(buffer2.get());
-  EXPECT_TRUE(buffer3.is_valid());
-  EXPECT_EQ(kDuplicate,
-            GetRights(buffer3.get()) & (kDuplicate | kTransfer | kGetOptions));
-  EXPECT_EQ(kDuplicate,
-            GetRights(buffer2.get()) & (kDuplicate | kTransfer | kGetOptions));
-}
-
-// TODO(vtl): Test |CloseRaw()|.
-// TODO(vtl): Test |reset()| more thoroughly?
-
-}  // namespace mojo
-}  // namespace