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// Copyright 2014 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/public/cpp/bindings/allocation_scope.h"
#include "mojo/public/cpp/bindings/array.h"
#include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
#include "mojo/public/cpp/bindings/lib/scratch_buffer.h"
#include "mojo/public/cpp/environment/environment.h"
#include "mojo/public/interfaces/bindings/tests/sample_service.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace test {
namespace {
// Tests that basic Array operations work.
TEST(ArrayTest, Basic) {
Environment env;
// 8 bytes for the array, with 8 bytes left over for elements.
internal::FixedBuffer buf(8 + 8*sizeof(char));
EXPECT_EQ(16u, buf.size());
Array<char>::Builder builder(8);
EXPECT_EQ(8u, builder.size());
for (size_t i = 0; i < builder.size(); ++i) {
char val = static_cast<char>(i*2);
builder[i] = val;
EXPECT_EQ(val, builder.at(i));
}
Array<char> array = builder.Finish();
for (size_t i = 0; i < array.size(); ++i) {
char val = static_cast<char>(i) * 2;
EXPECT_EQ(val, array[i]);
}
}
// Tests that basic Array<bool> operations work, and that it's packed into 1
// bit per element.
TEST(ArrayTest, Bool) {
Environment env;
// 8 bytes for the array header, with 8 bytes left over for elements.
internal::FixedBuffer buf(8 + 3);
EXPECT_EQ(16u, buf.size());
// An array of 64 bools can fit into 8 bytes.
Array<bool>::Builder builder(64);
EXPECT_EQ(64u, builder.size());
for (size_t i = 0; i < builder.size(); ++i) {
bool val = i % 3 == 0;
builder[i] = val;
EXPECT_EQ(val, builder.at(i));
}
Array<bool> array = builder.Finish();
for (size_t i = 0; i < array.size(); ++i) {
bool val = i % 3 == 0;
EXPECT_EQ(val, array[i]);
}
}
// Tests that Array<Handle> supports transferring handles.
TEST(ArrayTest, Handle) {
Environment env;
AllocationScope scope;
ScopedMessagePipeHandle pipe0, pipe1;
CreateMessagePipe(&pipe0, &pipe1);
Array<MessagePipeHandle>::Builder handles_builder(2);
handles_builder[0] = pipe0.Pass();
handles_builder[1].reset(pipe1.release());
EXPECT_FALSE(pipe0.is_valid());
EXPECT_FALSE(pipe1.is_valid());
Array<MessagePipeHandle> handles = handles_builder.Finish();
EXPECT_TRUE(handles[0].is_valid());
EXPECT_TRUE(handles[1].is_valid());
pipe0 = handles[0].Pass();
EXPECT_TRUE(pipe0.is_valid());
EXPECT_FALSE(handles[0].is_valid());
}
// Tests that Array<Handle> supports closing handles.
TEST(ArrayTest, HandlesAreClosed) {
Environment env;
ScopedMessagePipeHandle msg_pipe0, msg_pipe1;
CreateMessagePipe(&msg_pipe0, &msg_pipe1);
ScopedHandle pipe0 = ScopedHandle::From(msg_pipe0.Pass());
ScopedHandle pipe1 = ScopedHandle::From(msg_pipe1.Pass());
MojoHandle pipe0_value = pipe0.get().value();
MojoHandle pipe1_value = pipe1.get().value();
{
AllocationScope scope;
Array<Handle>::Builder handles_builder(2);
handles_builder[0] = pipe0.Pass();
handles_builder[1].reset(pipe1.release());
MOJO_ALLOW_UNUSED Array<Handle> handles =
handles_builder.Finish();
}
// We expect the pipes to have been closed.
EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(pipe0_value));
EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(pipe1_value));
}
// Tests that Array<MessagePipeHandle> supports closing handles.
TEST(ArrayTest, MessagePipeHandlesAreClosed) {
Environment env;
ScopedMessagePipeHandle pipe0, pipe1;
CreateMessagePipe(&pipe0, &pipe1);
MojoHandle pipe0_value = pipe0.get().value();
MojoHandle pipe1_value = pipe1.get().value();
{
AllocationScope scope;
Array<MessagePipeHandle>::Builder handles_builder(2);
handles_builder[0] = pipe0.Pass();
handles_builder[1].reset(pipe1.release());
MOJO_ALLOW_UNUSED Array<MessagePipeHandle> handles =
handles_builder.Finish();
}
// We expect the pipes to have been closed.
EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(pipe0_value));
EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, MojoClose(pipe1_value));
}
} // namespace
} // namespace test
} // namespace mojo
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