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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "mojo/system/shared_buffer_dispatcher.h" | 5 #include "mojo/system/shared_buffer_dispatcher.h" |
| 6 | 6 |
| 7 #include <limits> | 7 #include <limits> |
| 8 | 8 |
| 9 #include "base/macros.h" | 9 #include "base/macros.h" |
| 10 #include "base/memory/ref_counted.h" | 10 #include "base/memory/ref_counted.h" |
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| 114 } | 114 } |
| 115 | 115 |
| 116 TEST_F(SharedBufferDispatcherTest, CreateAndMapBuffer) { | 116 TEST_F(SharedBufferDispatcherTest, CreateAndMapBuffer) { |
| 117 scoped_refptr<SharedBufferDispatcher> dispatcher; | 117 scoped_refptr<SharedBufferDispatcher> dispatcher; |
| 118 EXPECT_EQ(MOJO_RESULT_OK, | 118 EXPECT_EQ(MOJO_RESULT_OK, |
| 119 SharedBufferDispatcher::Create( | 119 SharedBufferDispatcher::Create( |
| 120 platform_support(), | 120 platform_support(), |
| 121 SharedBufferDispatcher::kDefaultCreateOptions, | 121 SharedBufferDispatcher::kDefaultCreateOptions, |
| 122 100, | 122 100, |
| 123 &dispatcher)); | 123 &dispatcher)); |
| 124 ASSERT_TRUE(dispatcher); | 124 ASSERT_TRUE(dispatcher.get()); |
| 125 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher->GetType()); | 125 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher->GetType()); |
| 126 | 126 |
| 127 // Make a couple of mappings. | 127 // Make a couple of mappings. |
| 128 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping1; | 128 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping1; |
| 129 EXPECT_EQ( | 129 EXPECT_EQ( |
| 130 MOJO_RESULT_OK, | 130 MOJO_RESULT_OK, |
| 131 dispatcher->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); | 131 dispatcher->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); |
| 132 ASSERT_TRUE(mapping1); | 132 ASSERT_TRUE(mapping1); |
| 133 ASSERT_TRUE(mapping1->GetBase()); | 133 ASSERT_TRUE(mapping1->GetBase()); |
| 134 EXPECT_EQ(100u, mapping1->GetLength()); | 134 EXPECT_EQ(100u, mapping1->GetLength()); |
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| 167 MOJO_RESULT_OK, | 167 MOJO_RESULT_OK, |
| 168 dispatcher1->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); | 168 dispatcher1->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); |
| 169 static_cast<char*>(mapping->GetBase())[0] = 'x'; | 169 static_cast<char*>(mapping->GetBase())[0] = 'x'; |
| 170 mapping.reset(); | 170 mapping.reset(); |
| 171 | 171 |
| 172 // Duplicate |dispatcher1| and then close it. | 172 // Duplicate |dispatcher1| and then close it. |
| 173 scoped_refptr<Dispatcher> dispatcher2; | 173 scoped_refptr<Dispatcher> dispatcher2; |
| 174 EXPECT_EQ( | 174 EXPECT_EQ( |
| 175 MOJO_RESULT_OK, | 175 MOJO_RESULT_OK, |
| 176 dispatcher1->DuplicateBufferHandle(NullUserPointer(), &dispatcher2)); | 176 dispatcher1->DuplicateBufferHandle(NullUserPointer(), &dispatcher2)); |
| 177 ASSERT_TRUE(dispatcher2); | 177 ASSERT_TRUE(dispatcher2.get()); |
| 178 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); | 178 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); |
| 179 | 179 |
| 180 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); | 180 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); |
| 181 | 181 |
| 182 // Map |dispatcher2| and read something. | 182 // Map |dispatcher2| and read something. |
| 183 EXPECT_EQ( | 183 EXPECT_EQ( |
| 184 MOJO_RESULT_OK, | 184 MOJO_RESULT_OK, |
| 185 dispatcher2->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); | 185 dispatcher2->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); |
| 186 EXPECT_EQ('x', static_cast<char*>(mapping->GetBase())[0]); | 186 EXPECT_EQ('x', static_cast<char*>(mapping->GetBase())[0]); |
| 187 | 187 |
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| 199 | 199 |
| 200 MojoDuplicateBufferHandleOptions options[] = { | 200 MojoDuplicateBufferHandleOptions options[] = { |
| 201 {sizeof(MojoDuplicateBufferHandleOptions), | 201 {sizeof(MojoDuplicateBufferHandleOptions), |
| 202 MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}, | 202 MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}, |
| 203 {sizeof(MojoDuplicateBufferHandleOptionsFlags), ~0u}}; | 203 {sizeof(MojoDuplicateBufferHandleOptionsFlags), ~0u}}; |
| 204 for (size_t i = 0; i < arraysize(options); i++) { | 204 for (size_t i = 0; i < arraysize(options); i++) { |
| 205 scoped_refptr<Dispatcher> dispatcher2; | 205 scoped_refptr<Dispatcher> dispatcher2; |
| 206 EXPECT_EQ(MOJO_RESULT_OK, | 206 EXPECT_EQ(MOJO_RESULT_OK, |
| 207 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options[i]), | 207 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options[i]), |
| 208 &dispatcher2)); | 208 &dispatcher2)); |
| 209 ASSERT_TRUE(dispatcher2); | 209 ASSERT_TRUE(dispatcher2.get()); |
| 210 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); | 210 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); |
| 211 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); | 211 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); |
| 212 } | 212 } |
| 213 | 213 |
| 214 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); | 214 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); |
| 215 } | 215 } |
| 216 | 216 |
| 217 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsInvalid) { | 217 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsInvalid) { |
| 218 scoped_refptr<SharedBufferDispatcher> dispatcher1; | 218 scoped_refptr<SharedBufferDispatcher> dispatcher1; |
| 219 EXPECT_EQ(MOJO_RESULT_OK, | 219 EXPECT_EQ(MOJO_RESULT_OK, |
| 220 SharedBufferDispatcher::Create( | 220 SharedBufferDispatcher::Create( |
| 221 platform_support(), | 221 platform_support(), |
| 222 SharedBufferDispatcher::kDefaultCreateOptions, | 222 SharedBufferDispatcher::kDefaultCreateOptions, |
| 223 100, | 223 100, |
| 224 &dispatcher1)); | 224 &dispatcher1)); |
| 225 | 225 |
| 226 // Invalid |struct_size|. | 226 // Invalid |struct_size|. |
| 227 { | 227 { |
| 228 MojoDuplicateBufferHandleOptions options = { | 228 MojoDuplicateBufferHandleOptions options = { |
| 229 1u, MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}; | 229 1u, MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}; |
| 230 scoped_refptr<Dispatcher> dispatcher2; | 230 scoped_refptr<Dispatcher> dispatcher2; |
| 231 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 231 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 232 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), | 232 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), |
| 233 &dispatcher2)); | 233 &dispatcher2)); |
| 234 EXPECT_FALSE(dispatcher2); | 234 EXPECT_FALSE(dispatcher2.get()); |
| 235 } | 235 } |
| 236 | 236 |
| 237 // Unknown |flags|. | 237 // Unknown |flags|. |
| 238 { | 238 { |
| 239 MojoDuplicateBufferHandleOptions options = { | 239 MojoDuplicateBufferHandleOptions options = { |
| 240 sizeof(MojoDuplicateBufferHandleOptions), ~0u}; | 240 sizeof(MojoDuplicateBufferHandleOptions), ~0u}; |
| 241 scoped_refptr<Dispatcher> dispatcher2; | 241 scoped_refptr<Dispatcher> dispatcher2; |
| 242 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | 242 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, |
| 243 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), | 243 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), |
| 244 &dispatcher2)); | 244 &dispatcher2)); |
| 245 EXPECT_FALSE(dispatcher2); | 245 EXPECT_FALSE(dispatcher2.get()); |
| 246 } | 246 } |
| 247 | 247 |
| 248 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); | 248 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); |
| 249 } | 249 } |
| 250 | 250 |
| 251 TEST_F(SharedBufferDispatcherTest, CreateInvalidNumBytes) { | 251 TEST_F(SharedBufferDispatcherTest, CreateInvalidNumBytes) { |
| 252 // Size too big. | 252 // Size too big. |
| 253 scoped_refptr<SharedBufferDispatcher> dispatcher; | 253 scoped_refptr<SharedBufferDispatcher> dispatcher; |
| 254 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | 254 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, |
| 255 SharedBufferDispatcher::Create( | 255 SharedBufferDispatcher::Create( |
| 256 platform_support(), | 256 platform_support(), |
| 257 SharedBufferDispatcher::kDefaultCreateOptions, | 257 SharedBufferDispatcher::kDefaultCreateOptions, |
| 258 std::numeric_limits<uint64_t>::max(), | 258 std::numeric_limits<uint64_t>::max(), |
| 259 &dispatcher)); | 259 &dispatcher)); |
| 260 EXPECT_FALSE(dispatcher); | 260 EXPECT_FALSE(dispatcher.get()); |
| 261 | 261 |
| 262 // Zero size. | 262 // Zero size. |
| 263 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 263 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 264 SharedBufferDispatcher::Create( | 264 SharedBufferDispatcher::Create( |
| 265 platform_support(), | 265 platform_support(), |
| 266 SharedBufferDispatcher::kDefaultCreateOptions, | 266 SharedBufferDispatcher::kDefaultCreateOptions, |
| 267 0, | 267 0, |
| 268 &dispatcher)); | 268 &dispatcher)); |
| 269 EXPECT_FALSE(dispatcher); | 269 EXPECT_FALSE(dispatcher.get()); |
| 270 } | 270 } |
| 271 | 271 |
| 272 TEST_F(SharedBufferDispatcherTest, MapBufferInvalidArguments) { | 272 TEST_F(SharedBufferDispatcherTest, MapBufferInvalidArguments) { |
| 273 scoped_refptr<SharedBufferDispatcher> dispatcher; | 273 scoped_refptr<SharedBufferDispatcher> dispatcher; |
| 274 EXPECT_EQ(MOJO_RESULT_OK, | 274 EXPECT_EQ(MOJO_RESULT_OK, |
| 275 SharedBufferDispatcher::Create( | 275 SharedBufferDispatcher::Create( |
| 276 platform_support(), | 276 platform_support(), |
| 277 SharedBufferDispatcher::kDefaultCreateOptions, | 277 SharedBufferDispatcher::kDefaultCreateOptions, |
| 278 100, | 278 100, |
| 279 &dispatcher)); | 279 &dispatcher)); |
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| 290 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 290 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 291 dispatcher->MapBuffer(0, 0, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); | 291 dispatcher->MapBuffer(0, 0, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); |
| 292 EXPECT_FALSE(mapping); | 292 EXPECT_FALSE(mapping); |
| 293 | 293 |
| 294 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | 294 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); |
| 295 } | 295 } |
| 296 | 296 |
| 297 } // namespace | 297 } // namespace |
| 298 } // namespace system | 298 } // namespace system |
| 299 } // namespace mojo | 299 } // namespace mojo |
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