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Unified Diff: mojo/system/data_pipe_unittest.cc

Issue 621153003: Move mojo edk into mojo/edk (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix checkdeps Created 6 years, 2 months ago
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Index: mojo/system/data_pipe_unittest.cc
diff --git a/mojo/system/data_pipe_unittest.cc b/mojo/system/data_pipe_unittest.cc
deleted file mode 100644
index bbdafe9d762a4296f6d5afa8186e57f67f8dbe19..0000000000000000000000000000000000000000
--- a/mojo/system/data_pipe_unittest.cc
+++ /dev/null
@@ -1,377 +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/system/data_pipe.h"
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <limits>
-
-#include "mojo/system/constants.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,
- kDefaultDataPipeCapacityBytes);
- EXPECT_GT(validated_options.capacity_num_bytes +
- validated_options.element_num_bytes,
- kDefaultDataPipeCapacityBytes);
-}
-
-// 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
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