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120 lines
2.6 KiB
120 lines
2.6 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <cstdint>
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#include "l2cap/signal_id.h"
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namespace bluetooth {
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namespace l2cap {
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TEST(L2capSignalIdTest, valid_values) {
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int valid = 0;
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uint8_t i = 0;
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while (++i != 0) {
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SignalId signal_id(i);
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if (signal_id.IsValid()) {
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valid++;
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}
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}
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ASSERT_TRUE(valid == 255);
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}
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TEST(L2capSignalIdTest, zero_invalid) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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}
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TEST(L2capSignalIdTest, pre_increment) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (uint8_t i = 0; i != 0xff; ++i, ++signal_id) {
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ASSERT_TRUE(i == signal_id.Value());
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}
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}
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TEST(L2capSignalIdTest, post_increment) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (uint8_t i = 0; i != 0xff; i++, signal_id++) {
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ASSERT_TRUE(i == signal_id.Value());
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}
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}
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TEST(L2capSignalIdTest, almost_wrap_up) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (int i = 0; i < 255; i++) {
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signal_id++;
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}
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ASSERT_EQ(0xff, signal_id.Value());
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}
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TEST(L2capSignalIdTest, wrap_up) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (int i = 0; i < 256; i++) {
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signal_id++;
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}
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ASSERT_EQ(1, signal_id.Value());
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}
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TEST(L2capSignalIdTest, pre_decrement) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (uint8_t i = 0; i != 0xff; --i, --signal_id) {
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ASSERT_TRUE(i == signal_id.Value());
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}
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}
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TEST(L2capSignalIdTest, post_decrement) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (uint8_t i = 0; i != 0xff; i--, signal_id--) {
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ASSERT_TRUE(i == signal_id.Value());
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}
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}
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TEST(L2capSignalIdTest, almost_wrap_down) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (int i = 0; i < 255; i++) {
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signal_id--;
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}
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ASSERT_EQ(1, signal_id.Value());
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}
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TEST(L2capSignalIdTest, wrap_down) {
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SignalId signal_id(0);
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ASSERT_FALSE(signal_id.IsValid());
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for (int i = 0; i < 256; i++) {
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signal_id--;
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}
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ASSERT_EQ(0xff, signal_id.Value());
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}
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} // namespace l2cap
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} // namespace bluetooth
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