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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <string>
#include "starboard/file.h"
#include "starboard/nplb/file_helpers.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace starboard {
namespace nplb {
namespace {
TEST(SbFileSeekTest, InvalidFileErrors) {
int result = SbFileSeek(kSbFileInvalid, kSbFileFromBegin, 50);
EXPECT_EQ(-1, result);
result = SbFileSeek(kSbFileInvalid, kSbFileFromEnd, -50);
EXPECT_EQ(-1, result);
result = SbFileSeek(kSbFileInvalid, kSbFileFromCurrent, -50);
EXPECT_EQ(-1, result);
result = SbFileSeek(kSbFileInvalid, kSbFileFromCurrent, 50);
EXPECT_EQ(-1, result);
}
TEST(SbFileSeekTest, FromEndWorks) {
starboard::nplb::ScopedRandomFile random_file;
const std::string& filename = random_file.filename();
SbFile file =
SbFileOpen(filename.c_str(), kSbFileOpenOnly | kSbFileRead, NULL, NULL);
ASSERT_TRUE(SbFileIsValid(file));
SbFileInfo info;
bool result = SbFileGetInfo(file, &info);
EXPECT_TRUE(result);
int64_t position = SbFileSeek(file, kSbFileFromEnd, 0);
EXPECT_EQ(info.size, position);
int64_t target = -(random_file.size() / 6);
position = SbFileSeek(file, kSbFileFromEnd, target);
EXPECT_EQ(info.size + target, position);
position = SbFileSeek(file, kSbFileFromEnd, -info.size);
EXPECT_EQ(0, position);
result = SbFileClose(file);
EXPECT_TRUE(result);
}
TEST(SbFileSeekTest, FromCurrentWorks) {
starboard::nplb::ScopedRandomFile random_file;
const std::string& filename = random_file.filename();
SbFile file =
SbFileOpen(filename.c_str(), kSbFileOpenOnly | kSbFileRead, NULL, NULL);
ASSERT_TRUE(SbFileIsValid(file));
SbFileInfo info;
bool result = SbFileGetInfo(file, &info);
EXPECT_TRUE(result);
int64_t position = SbFileSeek(file, kSbFileFromCurrent, 0);
EXPECT_EQ(0, position);
int64_t target = random_file.size() / 6;
position = SbFileSeek(file, kSbFileFromCurrent, target);
EXPECT_EQ(target, position);
position = SbFileSeek(file, kSbFileFromCurrent, target);
EXPECT_EQ(target * 2, position);
position = SbFileSeek(file, kSbFileFromCurrent, 0);
EXPECT_EQ(target * 2, position);
position = SbFileSeek(file, kSbFileFromCurrent, info.size - position);
EXPECT_EQ(info.size, position);
position = SbFileSeek(file, kSbFileFromCurrent, -info.size);
EXPECT_EQ(0, position);
result = SbFileClose(file);
EXPECT_TRUE(result);
}
TEST(SbFileSeekTest, FromBeginWorks) {
starboard::nplb::ScopedRandomFile random_file;
const std::string& filename = random_file.filename();
SbFile file =
SbFileOpen(filename.c_str(), kSbFileOpenOnly | kSbFileRead, NULL, NULL);
ASSERT_TRUE(SbFileIsValid(file));
SbFileInfo info;
bool result = SbFileGetInfo(file, &info);
EXPECT_TRUE(result);
int64_t position = SbFileSeek(file, kSbFileFromBegin, 0);
EXPECT_EQ(0, position);
int64_t target = random_file.size() / 6;
position = SbFileSeek(file, kSbFileFromBegin, target);
EXPECT_EQ(target, position);
target = random_file.size() / 3;
position = SbFileSeek(file, kSbFileFromBegin, target);
EXPECT_EQ(target, position);
target = info.size - random_file.size() / 6;
position = SbFileSeek(file, kSbFileFromBegin, target);
EXPECT_EQ(target, position);
position = SbFileSeek(file, kSbFileFromBegin, info.size);
EXPECT_EQ(info.size, position);
result = SbFileClose(file);
EXPECT_TRUE(result);
}
} // namespace
} // namespace nplb
} // namespace starboard