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test_file_io.cc
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test_file_io.cc
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// Copyright (c) 2012 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 "ppapi/tests/test_file_io.h"
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <algorithm>
#include <vector>
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_file_io.h"
#include "ppapi/c/private/pp_file_handle.h"
#include "ppapi/c/private/ppb_testing_private.h"
#include "ppapi/cpp/file_io.h"
#include "ppapi/cpp/file_ref.h"
#include "ppapi/cpp/file_system.h"
#include "ppapi/cpp/instance.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/private/file_io_private.h"
#include "ppapi/cpp/private/pass_file_handle.h"
#include "ppapi/tests/test_utils.h"
#include "ppapi/tests/testing_instance.h"
#if defined(PPAPI_OS_WIN)
# include <io.h>
# include <windows.h>
// TODO(hamaji): Use standard windows APIs instead of compatibility layer?
# define lseek _lseek
# define read _read
# define write _write
# define ssize_t int
#else
# include <sys/mman.h>
# include <unistd.h>
#endif
REGISTER_TEST_CASE(FileIO);
namespace {
std::string ReportMismatch(const std::string& method_name,
const std::string& returned_result,
const std::string& expected_result) {
return method_name + " returned '" + returned_result + "'; '" +
expected_result + "' expected.";
}
std::string ReportOpenError(int32_t open_flags) {
static const char* kFlagNames[] = {
"PP_FILEOPENFLAG_READ",
"PP_FILEOPENFLAG_WRITE",
"PP_FILEOPENFLAG_CREATE",
"PP_FILEOPENFLAG_TRUNCATE",
"PP_FILEOPENFLAG_EXCLUSIVE"
};
std::string result = "FileIO:Open had unexpected behavior with flags: ";
bool first_flag = true;
for (int32_t mask = 1, index = 0; mask <= PP_FILEOPENFLAG_EXCLUSIVE;
mask <<= 1, ++index) {
if (mask & open_flags) {
if (first_flag) {
first_flag = false;
} else {
result += " | ";
}
result += kFlagNames[index];
}
}
if (first_flag)
result += "[None]";
return result;
}
int32_t ReadEntireFile(PP_Instance instance,
pp::FileIO* file_io,
int32_t offset,
std::string* data,
CallbackType callback_type) {
TestCompletionCallback callback(instance, callback_type);
char buf[256];
int32_t read_offset = offset;
for (;;) {
callback.WaitForResult(
file_io->Read(read_offset, buf, sizeof(buf), callback.GetCallback()));
if (callback.result() < 0)
return callback.result();
if (callback.result() == 0)
break;
read_offset += callback.result();
data->append(buf, callback.result());
}
return PP_OK;
}
int32_t ReadToArrayEntireFile(PP_Instance instance,
pp::FileIO* file_io,
int32_t offset,
std::string* data,
CallbackType callback_type) {
TestCompletionCallbackWithOutput< std::vector<char> > callback(
instance, callback_type);
for (;;) {
callback.WaitForResult(file_io->Read(offset, 256, callback.GetCallback()));
int32_t rv = callback.result();
if (rv < 0)
return rv;
if (rv == 0)
break;
const std::vector<char>& output = callback.output();
assert(rv == static_cast<int32_t>(output.size()));
offset += rv;
data->append(output.begin(), output.end());
}
return PP_OK;
}
#if !defined(PPAPI_OS_WIN)
bool ReadEntireFileFromFileHandle(int fd, std::string* data) {
if (lseek(fd, 0, SEEK_SET) < 0)
return false;
data->clear();
int ret;
do {
char buf[8192];
ret = read(fd, buf, sizeof(buf));
if (ret > 0)
data->append(buf, ret);
} while (ret > 0);
return ret == 0;
}
#endif // !defined(PPAPI_OS_WIN)
int32_t WriteEntireBuffer(PP_Instance instance,
pp::FileIO* file_io,
int32_t offset,
const std::string& data,
CallbackType callback_type) {
TestCompletionCallback callback(instance, callback_type);
int32_t write_offset = offset;
const char* buf = data.c_str();
int32_t size = static_cast<int32_t>(data.size());
while (write_offset < offset + size) {
callback.WaitForResult(file_io->Write(write_offset,
&buf[write_offset - offset],
size - write_offset + offset,
callback.GetCallback()));
if (callback.result() < 0)
return callback.result();
if (callback.result() == 0)
return PP_ERROR_FAILED;
write_offset += callback.result();
}
return PP_OK;
}
} // namespace
bool TestFileIO::Init() {
return CheckTestingInterface() && EnsureRunningOverHTTP();
}
void TestFileIO::RunTests(const std::string& filter) {
RUN_CALLBACK_TEST(TestFileIO, Open, filter);
RUN_CALLBACK_TEST(TestFileIO, OpenDirectory, filter);
RUN_CALLBACK_TEST(TestFileIO, ReadWriteSetLength, filter);
RUN_CALLBACK_TEST(TestFileIO, ReadToArrayWriteSetLength, filter);
RUN_CALLBACK_TEST(TestFileIO, TouchQuery, filter);
RUN_CALLBACK_TEST(TestFileIO, AbortCalls, filter);
RUN_CALLBACK_TEST(TestFileIO, ParallelReads, filter);
RUN_CALLBACK_TEST(TestFileIO, ParallelWrites, filter);
RUN_CALLBACK_TEST(TestFileIO, NotAllowMixedReadWrite, filter);
RUN_CALLBACK_TEST(TestFileIO, RequestOSFileHandle, filter);
RUN_CALLBACK_TEST(TestFileIO, RequestOSFileHandleWithOpenExclusive, filter);
RUN_CALLBACK_TEST(TestFileIO, Mmap, filter);
// TODO(viettrungluu): add tests:
// - that PP_ERROR_PENDING is correctly returned
// - that operations respect the file open modes (flags)
}
std::string TestFileIO::TestOpen() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_open");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
std::string result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_READ,
DONT_CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | DONT_TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
// Test the behavior of the power set of
// { PP_FILEOPENFLAG_CREATE,
// PP_FILEOPENFLAG_TRUNCATE,
// PP_FILEOPENFLAG_EXCLUSIVE }.
// First of all, none of them are specified.
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE,
DONT_CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | DONT_TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_CREATE,
CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | DONT_TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_EXCLUSIVE,
DONT_CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | DONT_TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_TRUNCATE,
DONT_CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_EXCLUSIVE,
CREATE_IF_DOESNT_EXIST | DONT_OPEN_IF_EXISTS | DONT_TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_CREATE | PP_FILEOPENFLAG_TRUNCATE,
CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_EXCLUSIVE |
PP_FILEOPENFLAG_TRUNCATE,
DONT_CREATE_IF_DOESNT_EXIST | OPEN_IF_EXISTS | TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_WRITE | PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_EXCLUSIVE | PP_FILEOPENFLAG_TRUNCATE,
CREATE_IF_DOESNT_EXIST | DONT_OPEN_IF_EXISTS | DONT_TRUNCATE_IF_EXISTS);
if (!result.empty())
return result;
// Invalid combination: PP_FILEOPENFLAG_TRUNCATE without
// PP_FILEOPENFLAG_WRITE.
result = MatchOpenExpectations(
&file_system,
PP_FILEOPENFLAG_READ | PP_FILEOPENFLAG_TRUNCATE,
INVALID_FLAG_COMBINATION);
if (!result.empty())
return result;
PASS();
}
std::string TestFileIO::TestOpenDirectory() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Make a directory.
pp::FileRef dir_ref(file_system, "/test_dir_open_directory");
callback.WaitForResult(dir_ref.MakeDirectory(
PP_MAKEDIRECTORYFLAG_NONE, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Open the directory. This is expected to fail since directories cannot be
// opened.
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(dir_ref, PP_FILEOPENFLAG_READ,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_NOTAFILE, callback.result());
PASS();
}
std::string TestFileIO::TestReadWriteSetLength() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_read_write_setlength");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_TRUNCATE |
PP_FILEOPENFLAG_READ |
PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Write something to the file.
int32_t rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 0,
"test_test", callback_type());
ASSERT_EQ(PP_OK, rv);
// Attempt to read a negative number of bytes; it should fail.
char buf[256];
callback.WaitForResult(file_io.Read(0,
buf,
-1,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_ERROR_FAILED, callback.result());
// Read the entire file.
std::string read_buffer;
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 0, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test_test"), read_buffer);
// Truncate the file.
callback.WaitForResult(file_io.SetLength(4, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Check the file contents.
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 0, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test"), read_buffer);
// Try to read past the end of the file.
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 100, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_TRUE(read_buffer.empty());
// Write past the end of the file. The file should be zero-padded.
rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 8, "test",
callback_type());
ASSERT_EQ(PP_OK, rv);
// Check the contents of the file.
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 0, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test\0\0\0\0test", 12), read_buffer);
// Extend the file.
callback.WaitForResult(file_io.SetLength(16, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Check the contents of the file.
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 0, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test\0\0\0\0test\0\0\0\0", 16), read_buffer);
// Write in the middle of the file.
rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 4, "test",
callback_type());
ASSERT_EQ(PP_OK, rv);
// Check the contents of the file.
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 0, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("testtesttest\0\0\0\0", 16), read_buffer);
// Read from the middle of the file.
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io, 4, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("testtest\0\0\0\0", 12), read_buffer);
// Append to the end of the file.
pp::FileIO file_io2(instance_);
callback.WaitForResult(file_io2.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_READ |
PP_FILEOPENFLAG_APPEND,
callback.GetCallback()));
rv = WriteEntireBuffer(instance_->pp_instance(), &file_io2, 0, "appended",
callback_type());
ASSERT_EQ(PP_OK, rv);
read_buffer.clear();
rv = ReadEntireFile(instance_->pp_instance(), &file_io2, 0, &read_buffer,
callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("testtesttest\0\0\0\0appended", 24), read_buffer);
PASS();
}
// This is basically a copy of TestReadWriteSetLength, but with the new Read
// API. With this test case, we can make sure the two Read's have the same
// behavior.
std::string TestFileIO::TestReadToArrayWriteSetLength() {
if (callback_type() == PP_BLOCKING) {
// This test does not make sense for blocking callbacks.
PASS();
}
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_read_write_setlength");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_TRUNCATE |
PP_FILEOPENFLAG_READ |
PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Write something to the file.
int32_t rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 0,
"test_test", callback_type());
ASSERT_EQ(PP_OK, rv);
TestCompletionCallbackWithOutput< std::vector<char> > callback2(
instance_->pp_instance(), callback_type());
// Attempt to read a negative number of bytes; it should fail.
callback2.WaitForResult(file_io.Read(0, -1, callback2.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback2);
ASSERT_EQ(PP_ERROR_FAILED, callback2.result());
// Read the entire file.
std::string read_buffer;
read_buffer.reserve(10);
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 0,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test_test"), read_buffer);
// Truncate the file.
callback.WaitForResult(file_io.SetLength(4, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, rv);
// Check the file contents.
read_buffer.clear();
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 0,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test"), read_buffer);
// Try to read past the end of the file.
read_buffer.clear();
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 100,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_TRUE(read_buffer.empty());
// Write past the end of the file. The file should be zero-padded.
rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 8, "test",
callback_type());
ASSERT_EQ(PP_OK, rv);
// Check the contents of the file.
read_buffer.clear();
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 0,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test\0\0\0\0test", 12), read_buffer);
// Extend the file.
callback.WaitForResult(file_io.SetLength(16, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Check the contents of the file.
read_buffer.clear();
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 0,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("test\0\0\0\0test\0\0\0\0", 16), read_buffer);
// Write in the middle of the file.
rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 4, "test",
callback_type());
ASSERT_EQ(PP_OK, rv);
// Check the contents of the file.
read_buffer.clear();
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 0,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("testtesttest\0\0\0\0", 16), read_buffer);
// Read from the middle of the file.
read_buffer.clear();
rv = ReadToArrayEntireFile(instance_->pp_instance(), &file_io, 4,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("testtest\0\0\0\0", 12), read_buffer);
PASS();
}
std::string TestFileIO::TestTouchQuery() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::FileRef file_ref(file_system, "/file_touch");
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_TRUNCATE |
PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Write some data to have a non-zero file size.
callback.WaitForResult(file_io.Write(0, "test", 4, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(4, callback.result());
const PP_Time last_access_time = 123 * 24 * 3600.0;
// last_modified_time's granularity is 2 seconds
// NOTE: In NaCl on Windows, NaClDescIO uses _fstat64 to retrieve file info.
// This function returns strange values for very small time values (near the
// Unix Epoch). For a value like 246.0, it returns -1. For larger values, it
// returns values that are exactly an hour less. The value below is handled
// correctly, and is only 100 days after the start of Unix time.
const PP_Time last_modified_time = 100 * 24 * 3600.0;
callback.WaitForResult(file_io.Touch(last_access_time, last_modified_time,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
PP_FileInfo info;
callback.WaitForResult(file_io.Query(&info, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
if ((info.size != 4) ||
(info.type != PP_FILETYPE_REGULAR) ||
(info.system_type != PP_FILESYSTEMTYPE_LOCALTEMPORARY))
// Disabled due to DST-related failure: crbug.com/314579
//(info.last_access_time != last_access_time) ||
//(info.last_modified_time != last_modified_time))
return "FileIO::Query() has returned bad data.";
// Call |Query()| again, to make sure it works a second time.
callback.WaitForResult(file_io.Query(&info, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
PASS();
}
std::string TestFileIO::TestAbortCalls() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_abort_calls");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
int32_t rv = PP_ERROR_FAILED;
// First, create a file on which to do ops.
{
pp::FileIO file_io(instance_);
callback.WaitForResult(
file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE | PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// N.B.: Should write at least 3 bytes.
rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 0,
"foobarbazquux", callback_type());
ASSERT_EQ(PP_OK, rv);
}
// Abort |Open()|.
{
rv = pp::FileIO(instance_)
.Open(file_ref, PP_FILEOPENFLAG_READ, callback.GetCallback());
}
callback.WaitForAbortResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
// Abort |Query()|.
{
PP_FileInfo info = { 0 };
// Save a copy and make sure |info| doesn't get written to if it is aborted.
PP_FileInfo info_copy;
memcpy(&info_copy, &info, sizeof(info));
{
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_READ,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
rv = file_io.Query(&info, callback.GetCallback());
} // Destroy |file_io|.
callback.WaitForResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
if (callback_type() == PP_BLOCKING) {
ASSERT_EQ(PP_OK, callback.result());
// The operation completed synchronously, so |info| should have changed.
ASSERT_NE(0, memcmp(&info_copy, &info, sizeof(info)));
} else {
ASSERT_EQ(PP_ERROR_ABORTED, callback.result());
ASSERT_EQ(0, memcmp(&info_copy, &info, sizeof(info)));
}
}
// Abort |Touch()|.
{
{
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
rv = file_io.Touch(0, 0, callback.GetCallback());
} // Destroy |file_io|.
callback.WaitForAbortResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
}
// Abort |Read()|.
{
char buf[3] = { 0 };
{
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_READ,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
rv = file_io.Read(0, buf, sizeof(buf), callback.GetCallback());
} // Destroy |file_io|.
// Save a copy to make sure buf isn't written to in the async case.
char buf_copy[3];
memcpy(&buf_copy, &buf, sizeof(buf));
callback.WaitForResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
if (callback_type() == PP_BLOCKING) {
ASSERT_EQ(callback.result(), sizeof(buf));
} else {
ASSERT_EQ(PP_ERROR_ABORTED, callback.result());
ASSERT_EQ(0, memcmp(&buf_copy, &buf, sizeof(buf)));
}
}
// Abort |Write()|.
{
char buf[3] = { 0 };
{
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
rv = file_io.Write(0, buf, sizeof(buf), callback.GetCallback());
} // Destroy |file_io|.
callback.WaitForResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
if (callback_type() == PP_BLOCKING)
ASSERT_EQ(callback.result(), sizeof(buf));
else
ASSERT_EQ(PP_ERROR_ABORTED, callback.result());
}
// Abort |SetLength()|.
{
{
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
rv = file_io.SetLength(3, callback.GetCallback());
} // Destroy |file_io|.
callback.WaitForAbortResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
}
// Abort |Flush|.
{
{
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref, PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
rv = file_io.Flush(callback.GetCallback());
} // Destroy |file_io|.
callback.WaitForAbortResult(rv);
CHECK_CALLBACK_BEHAVIOR(callback);
}
PASS();
}
std::string TestFileIO::TestParallelReads() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_parallel_reads");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_TRUNCATE |
PP_FILEOPENFLAG_READ |
PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Set up testing contents.
int32_t rv = WriteEntireBuffer(instance_->pp_instance(), &file_io, 0,
"abcdefghijkl", callback_type());
ASSERT_EQ(PP_OK, rv);
// Parallel read operations.
const char* border = "__border__";
const int32_t border_size = static_cast<int32_t>(strlen(border));
TestCompletionCallback callback_1(instance_->pp_instance(), callback_type());
int32_t read_offset_1 = 0;
int32_t size_1 = 3;
std::vector<char> extended_buf_1(border_size * 2 + size_1);
char* buf_1 = &extended_buf_1[border_size];
memcpy(&extended_buf_1[0], border, border_size);
memcpy(buf_1 + size_1, border, border_size);
TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
int32_t read_offset_2 = size_1;
int32_t size_2 = 9;
std::vector<char> extended_buf_2(border_size * 2 + size_2);
char* buf_2 = &extended_buf_2[border_size];
memcpy(&extended_buf_2[0], border, border_size);
memcpy(buf_2 + size_2, border, border_size);
int32_t rv_1 = PP_OK;
int32_t rv_2 = PP_OK;
while (size_1 >= 0 && size_2 >= 0 && size_1 + size_2 > 0) {
if (size_1 > 0) {
rv_1 = file_io.Read(read_offset_1, buf_1, size_1,
callback_1.GetCallback());
}
if (size_2 > 0) {
rv_2 = file_io.Read(read_offset_2, buf_2, size_2,
callback_2.GetCallback());
}
if (size_1 > 0) {
callback_1.WaitForResult(rv_1);
CHECK_CALLBACK_BEHAVIOR(callback_1);
ASSERT_TRUE(callback_1.result() > 0);
read_offset_1 += callback_1.result();
buf_1 += callback_1.result();
size_1 -= callback_1.result();
}
if (size_2 > 0) {
callback_2.WaitForResult(rv_2);
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_TRUE(callback_2.result() > 0);
read_offset_2 += callback_2.result();
buf_2 += callback_2.result();
size_2 -= callback_2.result();
}
}
// If |size_1| or |size_2| is not 0, we have invoked wrong callback(s).
ASSERT_EQ(0, size_1);
ASSERT_EQ(0, size_2);
// Make sure every read operation writes into the correct buffer.
const char expected_result_1[] = "__border__abc__border__";
const char expected_result_2[] = "__border__defghijkl__border__";
ASSERT_TRUE(strncmp(&extended_buf_1[0], expected_result_1,
strlen(expected_result_1)) == 0);
ASSERT_TRUE(strncmp(&extended_buf_2[0], expected_result_2,
strlen(expected_result_2)) == 0);
PASS();
}
std::string TestFileIO::TestParallelWrites() {
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_parallel_writes");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_TRUNCATE |
PP_FILEOPENFLAG_READ |
PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
// Parallel write operations.
TestCompletionCallback callback_1(instance_->pp_instance(), callback_type());
int32_t write_offset_1 = 0;
const char* buf_1 = "abc";
int32_t size_1 = static_cast<int32_t>(strlen(buf_1));
TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
int32_t write_offset_2 = size_1;
const char* buf_2 = "defghijkl";
int32_t size_2 = static_cast<int32_t>(strlen(buf_2));
int32_t rv_1 = PP_OK;
int32_t rv_2 = PP_OK;
while (size_1 >= 0 && size_2 >= 0 && size_1 + size_2 > 0) {
if (size_1 > 0) {
// Copy the buffer so we can erase it below.
std::string str_1(buf_1);
rv_1 = file_io.Write(
write_offset_1, &str_1[0], static_cast<int32_t>(str_1.size()),
callback_1.GetCallback());
// Erase the buffer to test that async writes copy it.
std::fill(str_1.begin(), str_1.end(), 0);
}
if (size_2 > 0) {
// Copy the buffer so we can erase it below.
std::string str_2(buf_2);
rv_2 = file_io.Write(
write_offset_2, &str_2[0], static_cast<int32_t>(str_2.size()),
callback_2.GetCallback());
// Erase the buffer to test that async writes copy it.
std::fill(str_2.begin(), str_2.end(), 0);
}
if (size_1 > 0) {
callback_1.WaitForResult(rv_1);
CHECK_CALLBACK_BEHAVIOR(callback_1);
ASSERT_TRUE(callback_1.result() > 0);
write_offset_1 += callback_1.result();
buf_1 += callback_1.result();
size_1 -= callback_1.result();
}
if (size_2 > 0) {
callback_2.WaitForResult(rv_2);
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_TRUE(callback_2.result() > 0);
write_offset_2 += callback_2.result();
buf_2 += callback_2.result();
size_2 -= callback_2.result();
}
}
// If |size_1| or |size_2| is not 0, we have invoked wrong callback(s).
ASSERT_EQ(0, size_1);
ASSERT_EQ(0, size_2);
// Check the file contents.
std::string read_buffer;
int32_t rv = ReadEntireFile(instance_->pp_instance(), &file_io, 0,
&read_buffer, callback_type());
ASSERT_EQ(PP_OK, rv);
ASSERT_EQ(std::string("abcdefghijkl"), read_buffer);
PASS();
}
std::string TestFileIO::TestNotAllowMixedReadWrite() {
if (callback_type() == PP_BLOCKING) {
// This test does not make sense for blocking callbacks.
PASS();
}
TestCompletionCallback callback(instance_->pp_instance(), callback_type());
pp::FileSystem file_system(instance_, PP_FILESYSTEMTYPE_LOCALTEMPORARY);
pp::FileRef file_ref(file_system, "/file_not_allow_mixed_read_write");
callback.WaitForResult(file_system.Open(1024, callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
pp::FileIO file_io(instance_);
callback.WaitForResult(file_io.Open(file_ref,
PP_FILEOPENFLAG_CREATE |
PP_FILEOPENFLAG_TRUNCATE |
PP_FILEOPENFLAG_READ |
PP_FILEOPENFLAG_WRITE,
callback.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback);
ASSERT_EQ(PP_OK, callback.result());
TestCompletionCallback callback_1(instance_->pp_instance(), PP_REQUIRED);
int32_t write_offset_1 = 0;
const char* buf_1 = "mnopqrstuvw";
int32_t rv_1 = file_io.Write(write_offset_1, buf_1,
static_cast<int32_t>(strlen(buf_1)),
callback_1.GetCallback());
ASSERT_EQ(PP_OK_COMPLETIONPENDING, rv_1);
TestCompletionCallback callback_2(instance_->pp_instance(), callback_type());
int32_t read_offset_2 = 4;
char buf_2[3];
callback_2.WaitForResult(file_io.Read(read_offset_2, buf_2, sizeof(buf_2),
callback_2.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_EQ(PP_ERROR_INPROGRESS, callback_2.result());
callback_1.WaitForResult(rv_1);
CHECK_CALLBACK_BEHAVIOR(callback_1);
// Cannot query while a write is pending.
rv_1 = file_io.Write(write_offset_1, buf_1,
static_cast<int32_t>(strlen(buf_1)),
callback_1.GetCallback());
ASSERT_EQ(PP_OK_COMPLETIONPENDING, rv_1);
PP_FileInfo info;
callback_2.WaitForResult(file_io.Query(&info, callback_2.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_EQ(PP_ERROR_INPROGRESS, callback_2.result());
callback_1.WaitForResult(rv_1);
CHECK_CALLBACK_BEHAVIOR(callback_1);
// Cannot touch while a write is pending.
rv_1 = file_io.Write(write_offset_1, buf_1,
static_cast<int32_t>(strlen(buf_1)),
callback_1.GetCallback());
ASSERT_EQ(PP_OK_COMPLETIONPENDING, rv_1);
callback_2.WaitForResult(file_io.Touch(1234.0, 5678.0,
callback_2.GetCallback()));
CHECK_CALLBACK_BEHAVIOR(callback_2);
ASSERT_EQ(PP_ERROR_INPROGRESS, callback_2.result());
callback_1.WaitForResult(rv_1);
CHECK_CALLBACK_BEHAVIOR(callback_1);
// Cannot set length while a write is pending.
rv_1 = file_io.Write(write_offset_1, buf_1,
static_cast<int32_t>(strlen(buf_1)),