aosp12/system/libziparchive/entry_name_utils_test.cc

63 lines
2.2 KiB
C++

/*
* Copyright (C) 2014 The Android Open Source Project
*
* 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 "entry_name_utils-inl.h"
#include <gtest/gtest.h>
TEST(entry_name_utils, NullChars) {
// 'A', 'R', '\0', 'S', 'E'
const uint8_t zeroes[] = {0x41, 0x52, 0x00, 0x53, 0x45};
ASSERT_FALSE(IsValidEntryName(zeroes, sizeof(zeroes)));
const uint8_t zeroes_continuation_chars[] = {0xc2, 0xa1, 0xc2, 0x00};
ASSERT_FALSE(IsValidEntryName(zeroes_continuation_chars, sizeof(zeroes_continuation_chars)));
}
TEST(entry_name_utils, InvalidSequence) {
// 0xfe is an invalid start byte
const uint8_t invalid[] = {0x41, 0xfe};
ASSERT_FALSE(IsValidEntryName(invalid, sizeof(invalid)));
// 0x91 is an invalid start byte (it's a valid continuation byte).
const uint8_t invalid2[] = {0x41, 0x91};
ASSERT_FALSE(IsValidEntryName(invalid2, sizeof(invalid2)));
}
TEST(entry_name_utils, TruncatedContinuation) {
// Malayalam script with truncated bytes. There should be 2 bytes
// after 0xe0
const uint8_t truncated[] = {0xe0, 0xb4, 0x85, 0xe0, 0xb4};
ASSERT_FALSE(IsValidEntryName(truncated, sizeof(truncated)));
// 0xc2 is the start of a 2 byte sequence that we've subsequently
// dropped.
const uint8_t truncated2[] = {0xc2, 0xc2, 0xa1};
ASSERT_FALSE(IsValidEntryName(truncated2, sizeof(truncated2)));
}
TEST(entry_name_utils, BadContinuation) {
// 0x41 is an invalid continuation char, since it's MSBs
// aren't "10..." (are 01).
const uint8_t bad[] = {0xc2, 0xa1, 0xc2, 0x41};
ASSERT_FALSE(IsValidEntryName(bad, sizeof(bad)));
// 0x41 is an invalid continuation char, since it's MSBs
// aren't "10..." (are 11).
const uint8_t bad2[] = {0xc2, 0xa1, 0xc2, 0xfe};
ASSERT_FALSE(IsValidEntryName(bad2, sizeof(bad2)));
}