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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "chrome/browser/media_galleries/chromeos/mtp_device_object_enumerator.h"
#include <stddef.h>
#include <stdint.h>
#include <utility>
#include "testing/gtest/include/gtest/gtest.h"
namespace {
struct MtpFileEntryData {
const char* const name;
int64_t size;
bool is_directory;
time_t modification_time;
};
const MtpFileEntryData kTestCases[] = {
{"Foo", 123, false, 321},
{"Bar", 234, true, 432},
{"Baaz", 345, false, 543},
};
void TestEnumeratorIsEmpty(MTPDeviceObjectEnumerator* enumerator) {
EXPECT_EQ(0, enumerator->Size());
EXPECT_FALSE(enumerator->IsDirectory());
EXPECT_TRUE(enumerator->LastModifiedTime().is_null());
}
void TestNextEntryIsEmpty(MTPDeviceObjectEnumerator* enumerator) {
EXPECT_TRUE(enumerator->Next().empty());
}
typedef testing::Test MTPDeviceObjectEnumeratorTest;
TEST_F(MTPDeviceObjectEnumeratorTest, Empty) {
std::vector<device::mojom::MtpFileEntryPtr> entries;
MTPDeviceObjectEnumerator enumerator(std::move(entries));
TestEnumeratorIsEmpty(&enumerator);
TestNextEntryIsEmpty(&enumerator);
TestNextEntryIsEmpty(&enumerator);
TestEnumeratorIsEmpty(&enumerator);
}
TEST_F(MTPDeviceObjectEnumeratorTest, Traversal) {
std::vector<device::mojom::MtpFileEntryPtr> entries;
for (size_t i = 0; i < std::size(kTestCases); ++i) {
auto entry = device::mojom::MtpFileEntry::New();
entry->file_name = kTestCases[i].name;
entry->file_size = kTestCases[i].size;
entry->file_type =
kTestCases[i].is_directory
? device::mojom::MtpFileEntry::FileType::FILE_TYPE_FOLDER
: device::mojom::MtpFileEntry::FileType::FILE_TYPE_OTHER;
entry->modification_time = kTestCases[i].modification_time;
entries.push_back(std::move(entry));
}
MTPDeviceObjectEnumerator enumerator(std::move(entries));
TestEnumeratorIsEmpty(&enumerator);
TestEnumeratorIsEmpty(&enumerator);
for (size_t i = 0; i < std::size(kTestCases); ++i) {
EXPECT_EQ(kTestCases[i].name, enumerator.Next().value());
EXPECT_EQ(kTestCases[i].size, enumerator.Size());
EXPECT_EQ(kTestCases[i].is_directory, enumerator.IsDirectory());
EXPECT_EQ(kTestCases[i].modification_time,
enumerator.LastModifiedTime().ToTimeT());
}
TestNextEntryIsEmpty(&enumerator);
TestNextEntryIsEmpty(&enumerator);
TestEnumeratorIsEmpty(&enumerator);
TestNextEntryIsEmpty(&enumerator);
TestEnumeratorIsEmpty(&enumerator);
}
} // namespace
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