diff options
Diffstat (limited to 'mojo/edk/system/data_pipe_unittest.cc')
| -rw-r--r-- | mojo/edk/system/data_pipe_unittest.cc | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/mojo/edk/system/data_pipe_unittest.cc b/mojo/edk/system/data_pipe_unittest.cc deleted file mode 100644 index ad02222..0000000 --- a/mojo/edk/system/data_pipe_unittest.cc +++ /dev/null @@ -1,375 +0,0 @@ -// Copyright 2013 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. - -#include "mojo/edk/system/data_pipe.h" - -#include <stddef.h> -#include <stdint.h> - -#include <limits> - -#include "mojo/edk/system/configuration.h" -#include "testing/gtest/include/gtest/gtest.h" - -namespace mojo { -namespace system { -namespace { - -const uint32_t kSizeOfCreateOptions = - static_cast<uint32_t>(sizeof(MojoCreateDataPipeOptions)); - -// Does a cursory sanity check of |validated_options|. Calls -// |ValidateCreateOptions()| on already-validated options. The validated options -// should be valid, and the revalidated copy should be the same. -void RevalidateCreateOptions( - const MojoCreateDataPipeOptions& validated_options) { - EXPECT_EQ(kSizeOfCreateOptions, validated_options.struct_size); - // Nothing to check for flags. - EXPECT_GT(validated_options.element_num_bytes, 0u); - EXPECT_GT(validated_options.capacity_num_bytes, 0u); - EXPECT_EQ(0u, validated_options.capacity_num_bytes % - validated_options.element_num_bytes); - - MojoCreateDataPipeOptions revalidated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&validated_options), - &revalidated_options)); - EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size); - EXPECT_EQ(validated_options.element_num_bytes, - revalidated_options.element_num_bytes); - EXPECT_EQ(validated_options.capacity_num_bytes, - revalidated_options.capacity_num_bytes); - EXPECT_EQ(validated_options.flags, revalidated_options.flags); -} - -// Checks that a default-computed capacity is correct. (Does not duplicate the -// checks done by |RevalidateCreateOptions()|.) -void CheckDefaultCapacity(const MojoCreateDataPipeOptions& validated_options) { - EXPECT_LE(validated_options.capacity_num_bytes, - GetConfiguration().default_data_pipe_capacity_bytes); - EXPECT_GT(validated_options.capacity_num_bytes + - validated_options.element_num_bytes, - GetConfiguration().default_data_pipe_capacity_bytes); -} - -// Tests valid inputs to |ValidateCreateOptions()|. -TEST(DataPipeTest, ValidateCreateOptionsValid) { - // Default options. - { - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, DataPipe::ValidateCreateOptions( - NullUserPointer(), &validated_options)); - RevalidateCreateOptions(validated_options); - CheckDefaultCapacity(validated_options); - } - - // Size member, but nothing beyond. - { - MojoCreateDataPipeOptions options = { - offsetof(MojoCreateDataPipeOptions, flags) // |struct_size|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)); - RevalidateCreateOptions(validated_options); - CheckDefaultCapacity(validated_options); - } - - // Different flags. - MojoCreateDataPipeOptionsFlags flags_values[] = { - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_MAY_DISCARD}; - for (size_t i = 0; i < arraysize(flags_values); i++) { - const MojoCreateDataPipeOptionsFlags flags = flags_values[i]; - - // Flags member, but nothing beyond. - { - MojoCreateDataPipeOptions options = { - // |struct_size|. - offsetof(MojoCreateDataPipeOptions, element_num_bytes), - flags // |flags|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)); - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - CheckDefaultCapacity(validated_options); - } - - // Different capacities (size 1). - for (uint32_t capacity = 1; capacity <= 100 * 1000 * 1000; capacity *= 10) { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - flags, // |flags|. - 1, // |element_num_bytes|. - capacity // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << capacity; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, validated_options.element_num_bytes); - EXPECT_EQ(options.capacity_num_bytes, - validated_options.capacity_num_bytes); - } - - // Small sizes. - for (uint32_t size = 1; size < 100; size++) { - // Different capacities. - for (uint32_t elements = 1; elements <= 1000 * 1000; elements *= 10) { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - flags, // |flags|. - size, // |element_num_bytes|. - size * elements // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << size << ", " << elements; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, - validated_options.element_num_bytes); - EXPECT_EQ(options.capacity_num_bytes, - validated_options.capacity_num_bytes); - } - - // Default capacity. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - flags, // |flags|. - size, // |element_num_bytes|. - 0 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << size; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, - validated_options.element_num_bytes); - CheckDefaultCapacity(validated_options); - } - - // No capacity field. - { - MojoCreateDataPipeOptions options = { - // |struct_size|. - offsetof(MojoCreateDataPipeOptions, capacity_num_bytes), - flags, // |flags|. - size // |element_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << size; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, - validated_options.element_num_bytes); - CheckDefaultCapacity(validated_options); - } - } - - // Larger sizes. - for (uint32_t size = 100; size <= 100 * 1000; size *= 10) { - // Capacity of 1000 elements. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - flags, // |flags|. - size, // |element_num_bytes|. - 1000 * size // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << size; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, - validated_options.element_num_bytes); - EXPECT_EQ(options.capacity_num_bytes, - validated_options.capacity_num_bytes); - } - - // Default capacity. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - flags, // |flags|. - size, // |element_num_bytes|. - 0 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << size; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, - validated_options.element_num_bytes); - CheckDefaultCapacity(validated_options); - } - - // No capacity field. - { - MojoCreateDataPipeOptions options = { - // |struct_size|. - offsetof(MojoCreateDataPipeOptions, capacity_num_bytes), - flags, // |flags|. - size // |element_num_bytes|. - }; - MojoCreateDataPipeOptions validated_options = {}; - EXPECT_EQ(MOJO_RESULT_OK, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), - &validated_options)) - << size; - RevalidateCreateOptions(validated_options); - EXPECT_EQ(options.flags, validated_options.flags); - EXPECT_EQ(options.element_num_bytes, - validated_options.element_num_bytes); - CheckDefaultCapacity(validated_options); - } - } - } -} - -TEST(DataPipeTest, ValidateCreateOptionsInvalid) { - // Invalid |struct_size|. - { - MojoCreateDataPipeOptions options = { - 1, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - 1, // |element_num_bytes|. - 0 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_INVALID_ARGUMENT, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - - // Unknown |flags|. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - ~0u, // |flags|. - 1, // |element_num_bytes|. - 0 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_UNIMPLEMENTED, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - - // Invalid |element_num_bytes|. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - 0, // |element_num_bytes|. - 1000 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_INVALID_ARGUMENT, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - // |element_num_bytes| too big. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - std::numeric_limits<uint32_t>::max(), // |element_num_bytes|. - std::numeric_limits<uint32_t>::max() // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_RESOURCE_EXHAUSTED, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - std::numeric_limits<uint32_t>::max() - 1000, // |element_num_bytes|. - std::numeric_limits<uint32_t>::max() - 1000 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_RESOURCE_EXHAUSTED, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - - // Invalid |capacity_num_bytes|. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - 2, // |element_num_bytes|. - 1 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_INVALID_ARGUMENT, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - 2, // |element_num_bytes|. - 111 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_INVALID_ARGUMENT, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - 5, // |element_num_bytes|. - 104 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_INVALID_ARGUMENT, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } - // |capacity_num_bytes| too big. - { - MojoCreateDataPipeOptions options = { - kSizeOfCreateOptions, // |struct_size|. - MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE, // |flags|. - 8, // |element_num_bytes|. - 0xffff0000 // |capacity_num_bytes|. - }; - MojoCreateDataPipeOptions unused; - EXPECT_EQ( - MOJO_RESULT_RESOURCE_EXHAUSTED, - DataPipe::ValidateCreateOptions(MakeUserPointer(&options), &unused)); - } -} - -} // namespace -} // namespace system -} // namespace mojo |