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/*
* Copyright (C) 2019 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 "utils/FileMap.h"
#include <gtest/gtest.h>
#include "android-base/file.h"
TEST(FileMap, zero_length_mapping) {
// http://b/119818070 "app crashes when reading asset of zero length".
// mmap fails with EINVAL for a zero length region.
TemporaryFile tf;
ASSERT_TRUE(tf.fd != -1);
android::FileMap m;
ASSERT_TRUE(m.create("test", tf.fd, 4096, 0, true));
ASSERT_STREQ("test", m.getFileName());
ASSERT_EQ(0u, m.getDataLength());
ASSERT_EQ(4096, m.getDataOffset());
}
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