xref: /aosp_15_r20/cts/tests/tests/libnativehelper/jni/file_descriptor_ndk_test.cpp (revision b7c941bb3fa97aba169d73cee0bed2de8ac964bf)
1 /*
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <android/file_descriptor_jni.h>
18 
19 #include "libnativehelper_test.h"
20 
TEST_F(LibnativehelperTest,FileDescriptorNdkApiUses)21 TEST_F(LibnativehelperTest, FileDescriptorNdkApiUses) {
22     static constexpr int kInvalidFd = -1;
23     jobject jifd = AFileDescriptor_create(mEnv);
24     ASSERT_NE(nullptr, jifd);
25     ASSERT_EQ(JNI_FALSE, mEnv->ExceptionCheck());
26     ASSERT_EQ(kInvalidFd, AFileDescriptor_getFd(mEnv, jifd));
27 
28     static const int kSubsequentUnixFds[] = { 0, -1, -999, -1, 0, 1812, -1, 1066 };
29     for (int unixFd : kSubsequentUnixFds) {
30         AFileDescriptor_setFd(mEnv, jifd, unixFd);
31         ASSERT_EQ(JNI_FALSE, mEnv->ExceptionCheck());
32         ASSERT_EQ(unixFd, AFileDescriptor_getFd(mEnv, jifd));
33         ASSERT_EQ(JNI_FALSE, mEnv->ExceptionCheck());
34     }
35 }
36