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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/edk/system/shared_buffer_dispatcher.h" | 5 #include "mojo/edk/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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| 51 embedder::SimplePlatformSupport platform_support_; | 51 embedder::SimplePlatformSupport platform_support_; |
| 52 | 52 |
| 53 DISALLOW_COPY_AND_ASSIGN(SharedBufferDispatcherTest); | 53 DISALLOW_COPY_AND_ASSIGN(SharedBufferDispatcherTest); |
| 54 }; | 54 }; |
| 55 | 55 |
| 56 // Tests valid inputs to |ValidateCreateOptions()|. | 56 // Tests valid inputs to |ValidateCreateOptions()|. |
| 57 TEST_F(SharedBufferDispatcherTest, ValidateCreateOptionsValid) { | 57 TEST_F(SharedBufferDispatcherTest, ValidateCreateOptionsValid) { |
| 58 // Default options. | 58 // Default options. |
| 59 { | 59 { |
| 60 MojoCreateSharedBufferOptions validated_options = {}; | 60 MojoCreateSharedBufferOptions validated_options = {}; |
| 61 EXPECT_EQ(MOJO_RESULT_OK, | 61 EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::ValidateCreateOptions( |
| 62 SharedBufferDispatcher::ValidateCreateOptions( | 62 NullUserPointer(), &validated_options)); |
| 63 NullUserPointer(), &validated_options)); | |
| 64 RevalidateCreateOptions(validated_options); | 63 RevalidateCreateOptions(validated_options); |
| 65 } | 64 } |
| 66 | 65 |
| 67 // Different flags. | 66 // Different flags. |
| 68 MojoCreateSharedBufferOptionsFlags flags_values[] = { | 67 MojoCreateSharedBufferOptionsFlags flags_values[] = { |
| 69 MOJO_CREATE_SHARED_BUFFER_OPTIONS_FLAG_NONE}; | 68 MOJO_CREATE_SHARED_BUFFER_OPTIONS_FLAG_NONE}; |
| 70 for (size_t i = 0; i < arraysize(flags_values); i++) { | 69 for (size_t i = 0; i < arraysize(flags_values); i++) { |
| 71 const MojoCreateSharedBufferOptionsFlags flags = flags_values[i]; | 70 const MojoCreateSharedBufferOptionsFlags flags = flags_values[i]; |
| 72 | 71 |
| 73 // Different capacities (size 1). | 72 // Different capacities (size 1). |
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| 108 }; | 107 }; |
| 109 MojoCreateSharedBufferOptions unused; | 108 MojoCreateSharedBufferOptions unused; |
| 110 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | 109 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, |
| 111 SharedBufferDispatcher::ValidateCreateOptions( | 110 SharedBufferDispatcher::ValidateCreateOptions( |
| 112 MakeUserPointer(&options), &unused)); | 111 MakeUserPointer(&options), &unused)); |
| 113 } | 112 } |
| 114 } | 113 } |
| 115 | 114 |
| 116 TEST_F(SharedBufferDispatcherTest, CreateAndMapBuffer) { | 115 TEST_F(SharedBufferDispatcherTest, CreateAndMapBuffer) { |
| 117 scoped_refptr<SharedBufferDispatcher> dispatcher; | 116 scoped_refptr<SharedBufferDispatcher> dispatcher; |
| 118 EXPECT_EQ(MOJO_RESULT_OK, | 117 EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( |
| 119 SharedBufferDispatcher::Create( | 118 platform_support(), |
| 120 platform_support(), | 119 SharedBufferDispatcher::kDefaultCreateOptions, |
| 121 SharedBufferDispatcher::kDefaultCreateOptions, | 120 100, &dispatcher)); |
| 122 100, | |
| 123 &dispatcher)); | |
| 124 ASSERT_TRUE(dispatcher.get()); | 121 ASSERT_TRUE(dispatcher.get()); |
| 125 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher->GetType()); | 122 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher->GetType()); |
| 126 | 123 |
| 127 // Make a couple of mappings. | 124 // Make a couple of mappings. |
| 128 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping1; | 125 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping1; |
| 129 EXPECT_EQ( | 126 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->MapBuffer( |
| 130 MOJO_RESULT_OK, | 127 0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); |
| 131 dispatcher->MapBuffer(0, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping1)); | |
| 132 ASSERT_TRUE(mapping1); | 128 ASSERT_TRUE(mapping1); |
| 133 ASSERT_TRUE(mapping1->GetBase()); | 129 ASSERT_TRUE(mapping1->GetBase()); |
| 134 EXPECT_EQ(100u, mapping1->GetLength()); | 130 EXPECT_EQ(100u, mapping1->GetLength()); |
| 135 // Write something. | 131 // Write something. |
| 136 static_cast<char*>(mapping1->GetBase())[50] = 'x'; | 132 static_cast<char*>(mapping1->GetBase())[50] = 'x'; |
| 137 | 133 |
| 138 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping2; | 134 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping2; |
| 139 EXPECT_EQ( | 135 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->MapBuffer( |
| 140 MOJO_RESULT_OK, | 136 50, 50, MOJO_MAP_BUFFER_FLAG_NONE, &mapping2)); |
| 141 dispatcher->MapBuffer(50, 50, MOJO_MAP_BUFFER_FLAG_NONE, &mapping2)); | |
| 142 ASSERT_TRUE(mapping2); | 137 ASSERT_TRUE(mapping2); |
| 143 ASSERT_TRUE(mapping2->GetBase()); | 138 ASSERT_TRUE(mapping2->GetBase()); |
| 144 EXPECT_EQ(50u, mapping2->GetLength()); | 139 EXPECT_EQ(50u, mapping2->GetLength()); |
| 145 EXPECT_EQ('x', static_cast<char*>(mapping2->GetBase())[0]); | 140 EXPECT_EQ('x', static_cast<char*>(mapping2->GetBase())[0]); |
| 146 | 141 |
| 147 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | 142 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); |
| 148 | 143 |
| 149 // Check that we can still read/write to mappings after the dispatcher has | 144 // Check that we can still read/write to mappings after the dispatcher has |
| 150 // gone away. | 145 // gone away. |
| 151 static_cast<char*>(mapping2->GetBase())[1] = 'y'; | 146 static_cast<char*>(mapping2->GetBase())[1] = 'y'; |
| 152 EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[51]); | 147 EXPECT_EQ('y', static_cast<char*>(mapping1->GetBase())[51]); |
| 153 } | 148 } |
| 154 | 149 |
| 155 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandle) { | 150 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandle) { |
| 156 scoped_refptr<SharedBufferDispatcher> dispatcher1; | 151 scoped_refptr<SharedBufferDispatcher> dispatcher1; |
| 157 EXPECT_EQ(MOJO_RESULT_OK, | 152 EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( |
| 158 SharedBufferDispatcher::Create( | 153 platform_support(), |
| 159 platform_support(), | 154 SharedBufferDispatcher::kDefaultCreateOptions, |
| 160 SharedBufferDispatcher::kDefaultCreateOptions, | 155 100, &dispatcher1)); |
| 161 100, | |
| 162 &dispatcher1)); | |
| 163 | 156 |
| 164 // Map and write something. | 157 // Map and write something. |
| 165 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping; | 158 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping; |
| 166 EXPECT_EQ( | 159 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->MapBuffer( |
| 167 MOJO_RESULT_OK, | 160 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'; | 161 static_cast<char*>(mapping->GetBase())[0] = 'x'; |
| 170 mapping.reset(); | 162 mapping.reset(); |
| 171 | 163 |
| 172 // Duplicate |dispatcher1| and then close it. | 164 // Duplicate |dispatcher1| and then close it. |
| 173 scoped_refptr<Dispatcher> dispatcher2; | 165 scoped_refptr<Dispatcher> dispatcher2; |
| 174 EXPECT_EQ( | 166 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->DuplicateBufferHandle( |
| 175 MOJO_RESULT_OK, | 167 NullUserPointer(), &dispatcher2)); |
| 176 dispatcher1->DuplicateBufferHandle(NullUserPointer(), &dispatcher2)); | |
| 177 ASSERT_TRUE(dispatcher2.get()); | 168 ASSERT_TRUE(dispatcher2.get()); |
| 178 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); | 169 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); |
| 179 | 170 |
| 180 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); | 171 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); |
| 181 | 172 |
| 182 // Map |dispatcher2| and read something. | 173 // Map |dispatcher2| and read something. |
| 183 EXPECT_EQ( | 174 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->MapBuffer( |
| 184 MOJO_RESULT_OK, | 175 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]); | 176 EXPECT_EQ('x', static_cast<char*>(mapping->GetBase())[0]); |
| 187 | 177 |
| 188 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); | 178 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); |
| 189 } | 179 } |
| 190 | 180 |
| 191 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsValid) { | 181 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsValid) { |
| 192 scoped_refptr<SharedBufferDispatcher> dispatcher1; | 182 scoped_refptr<SharedBufferDispatcher> dispatcher1; |
| 193 EXPECT_EQ(MOJO_RESULT_OK, | 183 EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( |
| 194 SharedBufferDispatcher::Create( | 184 platform_support(), |
| 195 platform_support(), | 185 SharedBufferDispatcher::kDefaultCreateOptions, |
| 196 SharedBufferDispatcher::kDefaultCreateOptions, | 186 100, &dispatcher1)); |
| 197 100, | |
| 198 &dispatcher1)); | |
| 199 | 187 |
| 200 MojoDuplicateBufferHandleOptions options[] = { | 188 MojoDuplicateBufferHandleOptions options[] = { |
| 201 {sizeof(MojoDuplicateBufferHandleOptions), | 189 {sizeof(MojoDuplicateBufferHandleOptions), |
| 202 MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}, | 190 MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}, |
| 203 {sizeof(MojoDuplicateBufferHandleOptionsFlags), ~0u}}; | 191 {sizeof(MojoDuplicateBufferHandleOptionsFlags), ~0u}}; |
| 204 for (size_t i = 0; i < arraysize(options); i++) { | 192 for (size_t i = 0; i < arraysize(options); i++) { |
| 205 scoped_refptr<Dispatcher> dispatcher2; | 193 scoped_refptr<Dispatcher> dispatcher2; |
| 206 EXPECT_EQ(MOJO_RESULT_OK, | 194 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->DuplicateBufferHandle( |
| 207 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options[i]), | 195 MakeUserPointer(&options[i]), &dispatcher2)); |
| 208 &dispatcher2)); | |
| 209 ASSERT_TRUE(dispatcher2.get()); | 196 ASSERT_TRUE(dispatcher2.get()); |
| 210 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); | 197 EXPECT_EQ(Dispatcher::kTypeSharedBuffer, dispatcher2->GetType()); |
| 211 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); | 198 EXPECT_EQ(MOJO_RESULT_OK, dispatcher2->Close()); |
| 212 } | 199 } |
| 213 | 200 |
| 214 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); | 201 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); |
| 215 } | 202 } |
| 216 | 203 |
| 217 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsInvalid) { | 204 TEST_F(SharedBufferDispatcherTest, DuplicateBufferHandleOptionsInvalid) { |
| 218 scoped_refptr<SharedBufferDispatcher> dispatcher1; | 205 scoped_refptr<SharedBufferDispatcher> dispatcher1; |
| 219 EXPECT_EQ(MOJO_RESULT_OK, | 206 EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( |
| 220 SharedBufferDispatcher::Create( | 207 platform_support(), |
| 221 platform_support(), | 208 SharedBufferDispatcher::kDefaultCreateOptions, |
| 222 SharedBufferDispatcher::kDefaultCreateOptions, | 209 100, &dispatcher1)); |
| 223 100, | |
| 224 &dispatcher1)); | |
| 225 | 210 |
| 226 // Invalid |struct_size|. | 211 // Invalid |struct_size|. |
| 227 { | 212 { |
| 228 MojoDuplicateBufferHandleOptions options = { | 213 MojoDuplicateBufferHandleOptions options = { |
| 229 1u, MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}; | 214 1u, MOJO_DUPLICATE_BUFFER_HANDLE_OPTIONS_FLAG_NONE}; |
| 230 scoped_refptr<Dispatcher> dispatcher2; | 215 scoped_refptr<Dispatcher> dispatcher2; |
| 231 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 216 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 232 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), | 217 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), |
| 233 &dispatcher2)); | 218 &dispatcher2)); |
| 234 EXPECT_FALSE(dispatcher2.get()); | 219 EXPECT_FALSE(dispatcher2.get()); |
| 235 } | 220 } |
| 236 | 221 |
| 237 // Unknown |flags|. | 222 // Unknown |flags|. |
| 238 { | 223 { |
| 239 MojoDuplicateBufferHandleOptions options = { | 224 MojoDuplicateBufferHandleOptions options = { |
| 240 sizeof(MojoDuplicateBufferHandleOptions), ~0u}; | 225 sizeof(MojoDuplicateBufferHandleOptions), ~0u}; |
| 241 scoped_refptr<Dispatcher> dispatcher2; | 226 scoped_refptr<Dispatcher> dispatcher2; |
| 242 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, | 227 EXPECT_EQ(MOJO_RESULT_UNIMPLEMENTED, |
| 243 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), | 228 dispatcher1->DuplicateBufferHandle(MakeUserPointer(&options), |
| 244 &dispatcher2)); | 229 &dispatcher2)); |
| 245 EXPECT_FALSE(dispatcher2.get()); | 230 EXPECT_FALSE(dispatcher2.get()); |
| 246 } | 231 } |
| 247 | 232 |
| 248 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); | 233 EXPECT_EQ(MOJO_RESULT_OK, dispatcher1->Close()); |
| 249 } | 234 } |
| 250 | 235 |
| 251 TEST_F(SharedBufferDispatcherTest, CreateInvalidNumBytes) { | 236 TEST_F(SharedBufferDispatcherTest, CreateInvalidNumBytes) { |
| 252 // Size too big. | 237 // Size too big. |
| 253 scoped_refptr<SharedBufferDispatcher> dispatcher; | 238 scoped_refptr<SharedBufferDispatcher> dispatcher; |
| 254 EXPECT_EQ(MOJO_RESULT_RESOURCE_EXHAUSTED, | 239 EXPECT_EQ( |
| 255 SharedBufferDispatcher::Create( | 240 MOJO_RESULT_RESOURCE_EXHAUSTED, |
| 256 platform_support(), | 241 SharedBufferDispatcher::Create( |
| 257 SharedBufferDispatcher::kDefaultCreateOptions, | 242 platform_support(), SharedBufferDispatcher::kDefaultCreateOptions, |
| 258 std::numeric_limits<uint64_t>::max(), | 243 std::numeric_limits<uint64_t>::max(), &dispatcher)); |
| 259 &dispatcher)); | |
| 260 EXPECT_FALSE(dispatcher.get()); | 244 EXPECT_FALSE(dispatcher.get()); |
| 261 | 245 |
| 262 // Zero size. | 246 // Zero size. |
| 263 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 247 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 264 SharedBufferDispatcher::Create( | 248 SharedBufferDispatcher::Create( |
| 265 platform_support(), | 249 platform_support(), |
| 266 SharedBufferDispatcher::kDefaultCreateOptions, | 250 SharedBufferDispatcher::kDefaultCreateOptions, 0, &dispatcher)); |
| 267 0, | |
| 268 &dispatcher)); | |
| 269 EXPECT_FALSE(dispatcher.get()); | 251 EXPECT_FALSE(dispatcher.get()); |
| 270 } | 252 } |
| 271 | 253 |
| 272 TEST_F(SharedBufferDispatcherTest, MapBufferInvalidArguments) { | 254 TEST_F(SharedBufferDispatcherTest, MapBufferInvalidArguments) { |
| 273 scoped_refptr<SharedBufferDispatcher> dispatcher; | 255 scoped_refptr<SharedBufferDispatcher> dispatcher; |
| 274 EXPECT_EQ(MOJO_RESULT_OK, | 256 EXPECT_EQ(MOJO_RESULT_OK, SharedBufferDispatcher::Create( |
| 275 SharedBufferDispatcher::Create( | 257 platform_support(), |
| 276 platform_support(), | 258 SharedBufferDispatcher::kDefaultCreateOptions, |
| 277 SharedBufferDispatcher::kDefaultCreateOptions, | 259 100, &dispatcher)); |
| 278 100, | |
| 279 &dispatcher)); | |
| 280 | 260 |
| 281 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping; | 261 scoped_ptr<embedder::PlatformSharedBufferMapping> mapping; |
| 282 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 262 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 283 dispatcher->MapBuffer(0, 101, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); | 263 dispatcher->MapBuffer(0, 101, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); |
| 284 EXPECT_FALSE(mapping); | 264 EXPECT_FALSE(mapping); |
| 285 | 265 |
| 286 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 266 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 287 dispatcher->MapBuffer(1, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); | 267 dispatcher->MapBuffer(1, 100, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); |
| 288 EXPECT_FALSE(mapping); | 268 EXPECT_FALSE(mapping); |
| 289 | 269 |
| 290 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 270 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
| 291 dispatcher->MapBuffer(0, 0, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); | 271 dispatcher->MapBuffer(0, 0, MOJO_MAP_BUFFER_FLAG_NONE, &mapping)); |
| 292 EXPECT_FALSE(mapping); | 272 EXPECT_FALSE(mapping); |
| 293 | 273 |
| 294 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); | 274 EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close()); |
| 295 } | 275 } |
| 296 | 276 |
| 297 } // namespace | 277 } // namespace |
| 298 } // namespace system | 278 } // namespace system |
| 299 } // namespace mojo | 279 } // namespace mojo |
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