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 <gtest/gtest.h>
18 #include <media/AidlConversionUtil.h>
19 #include <utils/Errors.h>
20
21 using namespace android;
22 using namespace android::aidl_utils;
23 using android::binder::Status;
24
25 // Tests for statusTFromBinderStatus() and binderStatusFromStatusT().
26
27 // STATUS_T_SMALL_VALUE_LIMIT is an arbitrary limit where we exhaustively check status_t errors.
28 // It is known that this limit doesn't cover UNKNOWN_ERROR ~ INT32_MIN.
29 constexpr status_t STATUS_T_SMALL_VALUE_LIMIT = -1000;
30
31 // Small status values are preserved on round trip
TEST(audio_aidl_status_tests,statusRoundTripSmallValues)32 TEST(audio_aidl_status_tests, statusRoundTripSmallValues) {
33 for (status_t status = 0; status > STATUS_T_SMALL_VALUE_LIMIT; --status) {
34 ASSERT_EQ(status, statusTFromBinderStatus(binderStatusFromStatusT(status)));
35 }
36 }
37
38 // Special status values are preserved on round trip.
TEST(audio_aidl_status_tests,statusRoundTripSpecialValues)39 TEST(audio_aidl_status_tests, statusRoundTripSpecialValues) {
40 for (status_t status :
41 {OK, UNKNOWN_ERROR, NO_MEMORY, INVALID_OPERATION, BAD_VALUE, BAD_TYPE, NAME_NOT_FOUND,
42 PERMISSION_DENIED, NO_INIT, ALREADY_EXISTS, DEAD_OBJECT, FAILED_TRANSACTION, BAD_INDEX,
43 NOT_ENOUGH_DATA, WOULD_BLOCK, TIMED_OUT, UNKNOWN_TRANSACTION, FDS_NOT_ALLOWED}) {
44 ASSERT_EQ(status, statusTFromBinderStatus(binderStatusFromStatusT(status)));
45 }
46 }
47
48 // Binder exceptions show as an error (not fixed at this time); these come fromExceptionCode().
TEST(audio_aidl_status_tests,binderStatusExceptions)49 TEST(audio_aidl_status_tests, binderStatusExceptions) {
50 for (int exceptionCode : {
51 // Status::EX_NONE,
52 Status::EX_SECURITY, Status::EX_BAD_PARCELABLE, Status::EX_ILLEGAL_ARGUMENT,
53 Status::EX_NULL_POINTER, Status::EX_ILLEGAL_STATE, Status::EX_NETWORK_MAIN_THREAD,
54 Status::EX_UNSUPPORTED_OPERATION,
55 // Status::EX_SERVICE_SPECIFIC, -- tested fromServiceSpecificError()
56 Status::EX_PARCELABLE,
57 // This is special and Java specific; see Parcel.java.
58 Status::EX_HAS_REPLY_HEADER,
59 // This is special, and indicates to C++ binder proxies that the
60 // transaction has failed at a low level.
61 // Status::EX_TRANSACTION_FAILED, -- tested fromStatusT().
62 }) {
63 ASSERT_NE(OK, statusTFromBinderStatus(Status::fromExceptionCode(exceptionCode)));
64 }
65 }
66
67 // Binder transaction errors show exactly in status_t; these come fromStatusT().
TEST(audio_aidl_status_tests,binderStatusTransactionError)68 TEST(audio_aidl_status_tests, binderStatusTransactionError) {
69 for (status_t status :
70 {OK, // Note: fromStatusT does check if this is 0, so this is no error.
71 UNKNOWN_ERROR, NO_MEMORY, INVALID_OPERATION, BAD_VALUE, BAD_TYPE, NAME_NOT_FOUND,
72 PERMISSION_DENIED, NO_INIT, ALREADY_EXISTS, DEAD_OBJECT, FAILED_TRANSACTION, BAD_INDEX,
73 NOT_ENOUGH_DATA, WOULD_BLOCK, TIMED_OUT, UNKNOWN_TRANSACTION, FDS_NOT_ALLOWED}) {
74 ASSERT_EQ(status, statusTFromBinderStatus(Status::fromStatusT(status)));
75 }
76 }
77
78 // Binder service specific errors show in status_t; these come fromServiceSpecificError().
TEST(audio_aidl_status_tests,binderStatusServiceSpecificError)79 TEST(audio_aidl_status_tests, binderStatusServiceSpecificError) {
80 // fromServiceSpecificError() still stores exception code if status is 0.
81 for (status_t status = -1; status > STATUS_T_SMALL_VALUE_LIMIT; --status) {
82 ASSERT_EQ(status, statusTFromBinderStatus(Status::fromServiceSpecificError(status)));
83 }
84 }
85
86 // Binder status with message.
TEST(audio_aidl_status_tests,binderStatusMessage)87 TEST(audio_aidl_status_tests, binderStatusMessage) {
88 const String8 message("abcd");
89 for (status_t status = -1; status > STATUS_T_SMALL_VALUE_LIMIT; --status) {
90 const Status binderStatus = binderStatusFromStatusT(status, message.c_str());
91 ASSERT_EQ(status, statusTFromBinderStatus(binderStatus));
92 ASSERT_EQ(message, binderStatus.exceptionMessage());
93 }
94 }
95