OLD | NEW |
1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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/data_pipe.h" | 5 #include "mojo/edk/system/data_pipe.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <limits> | 10 #include <limits> |
11 | 11 |
12 #include "mojo/edk/system/constants.h" | 12 #include "mojo/edk/system/configuration.h" |
13 #include "testing/gtest/include/gtest/gtest.h" | 13 #include "testing/gtest/include/gtest/gtest.h" |
14 | 14 |
15 namespace mojo { | 15 namespace mojo { |
16 namespace system { | 16 namespace system { |
17 namespace { | 17 namespace { |
18 | 18 |
19 const uint32_t kSizeOfCreateOptions = | 19 const uint32_t kSizeOfCreateOptions = |
20 static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)); | 20 static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)); |
21 | 21 |
22 // Does a cursory sanity check of |validated_options|. Calls | 22 // Does a cursory sanity check of |validated_options|. Calls |
23 // |ValidateCreateOptions()| on already-validated options. The validated options | 23 // |ValidateCreateOptions()| on already-validated options. The validated options |
24 // should be valid, and the revalidated copy should be the same. | 24 // should be valid, and the revalidated copy should be the same. |
25 void RevalidateCreateOptions( | 25 void RevalidateCreateOptions( |
26 const MojoCreateDataPipeOptions& validated_options) { | 26 const MojoCreateDataPipeOptions& validated_options) { |
27 EXPECT_EQ(kSizeOfCreateOptions, validated_options.struct_size); | 27 EXPECT_EQ(kSizeOfCreateOptions, validated_options.struct_size); |
28 // Nothing to check for flags. | 28 // Nothing to check for flags. |
29 EXPECT_GT(validated_options.element_num_bytes, 0u); | 29 EXPECT_GT(validated_options.element_num_bytes, 0u); |
30 EXPECT_GT(validated_options.capacity_num_bytes, 0u); | 30 EXPECT_GT(validated_options.capacity_num_bytes, 0u); |
31 EXPECT_EQ(0u, | 31 EXPECT_EQ(0u, validated_options.capacity_num_bytes % |
32 validated_options.capacity_num_bytes % | 32 validated_options.element_num_bytes); |
33 validated_options.element_num_bytes); | |
34 | 33 |
35 MojoCreateDataPipeOptions revalidated_options = {}; | 34 MojoCreateDataPipeOptions revalidated_options = {}; |
36 EXPECT_EQ(MOJO_RESULT_OK, | 35 EXPECT_EQ(MOJO_RESULT_OK, |
37 DataPipe::ValidateCreateOptions(MakeUserPointer(&validated_options), | 36 DataPipe::ValidateCreateOptions(MakeUserPointer(&validated_options), |
38 &revalidated_options)); | 37 &revalidated_options)); |
39 EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size); | 38 EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size); |
40 EXPECT_EQ(validated_options.element_num_bytes, | 39 EXPECT_EQ(validated_options.element_num_bytes, |
41 revalidated_options.element_num_bytes); | 40 revalidated_options.element_num_bytes); |
42 EXPECT_EQ(validated_options.capacity_num_bytes, | 41 EXPECT_EQ(validated_options.capacity_num_bytes, |
43 revalidated_options.capacity_num_bytes); | 42 revalidated_options.capacity_num_bytes); |
44 EXPECT_EQ(validated_options.flags, revalidated_options.flags); | 43 EXPECT_EQ(validated_options.flags, revalidated_options.flags); |
45 } | 44 } |
46 | 45 |
47 // Checks that a default-computed capacity is correct. (Does not duplicate the | 46 // Checks that a default-computed capacity is correct. (Does not duplicate the |
48 // checks done by |RevalidateCreateOptions()|.) | 47 // checks done by |RevalidateCreateOptions()|.) |
49 void CheckDefaultCapacity(const MojoCreateDataPipeOptions& validated_options) { | 48 void CheckDefaultCapacity(const MojoCreateDataPipeOptions& validated_options) { |
50 EXPECT_LE(validated_options.capacity_num_bytes, | 49 EXPECT_LE(validated_options.capacity_num_bytes, |
51 kDefaultDataPipeCapacityBytes); | 50 GetConfiguration().default_data_pipe_capacity_bytes); |
52 EXPECT_GT(validated_options.capacity_num_bytes + | 51 EXPECT_GT(validated_options.capacity_num_bytes + |
53 validated_options.element_num_bytes, | 52 validated_options.element_num_bytes, |
54 kDefaultDataPipeCapacityBytes); | 53 GetConfiguration().default_data_pipe_capacity_bytes); |
55 } | 54 } |
56 | 55 |
57 // Tests valid inputs to |ValidateCreateOptions()|. | 56 // Tests valid inputs to |ValidateCreateOptions()|. |
58 TEST(DataPipeTest, ValidateCreateOptionsValid) { | 57 TEST(DataPipeTest, ValidateCreateOptionsValid) { |
59 // Default options. | 58 // Default options. |
60 { | 59 { |
61 MojoCreateDataPipeOptions validated_options = {}; | 60 MojoCreateDataPipeOptions validated_options = {}; |
62 EXPECT_EQ( | 61 EXPECT_EQ(MOJO_RESULT_OK, DataPipe::ValidateCreateOptions( |
63 MOJO_RESULT_OK, | 62 NullUserPointer(), &validated_options)); |
64 DataPipe::ValidateCreateOptions(NullUserPointer(), &validated_options)); | |
65 RevalidateCreateOptions(validated_options); | 63 RevalidateCreateOptions(validated_options); |
66 CheckDefaultCapacity(validated_options); | 64 CheckDefaultCapacity(validated_options); |
67 } | 65 } |
68 | 66 |
69 // Size member, but nothing beyond. | 67 // Size member, but nothing beyond. |
70 { | 68 { |
71 MojoCreateDataPipeOptions options = { | 69 MojoCreateDataPipeOptions options = { |
72 offsetof(MojoCreateDataPipeOptions, flags) // |struct_size|. | 70 offsetof(MojoCreateDataPipeOptions, flags) // |struct_size|. |
73 }; | 71 }; |
74 MojoCreateDataPipeOptions validated_options = {}; | 72 MojoCreateDataPipeOptions validated_options = {}; |
(...skipping 293 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
368 MojoCreateDataPipeOptions unused; | 366 MojoCreateDataPipeOptions unused; |
369 EXPECT_EQ( | 367 EXPECT_EQ( |
370 MOJO_RESULT_RESOURCE_EXHAUSTED, | 368 MOJO_RESULT_RESOURCE_EXHAUSTED, |
371 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); | 369 DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); |
372 } | 370 } |
373 } | 371 } |
374 | 372 |
375 } // namespace | 373 } // namespace |
376 } // namespace system | 374 } // namespace system |
377 } // namespace mojo | 375 } // namespace mojo |
OLD | NEW |