1 /* 2 * Copyright (C) 2012 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 19 #include <stdint.h> 20 #include <unistd.h> 21 22 TEST(unistd, sysconf_SC_MONOTONIC_CLOCK) { 23 ASSERT_GT(sysconf(_SC_MONOTONIC_CLOCK), 0); 24 } 25 26 TEST(unistd, sbrk) { 27 void* initial_break = sbrk(0); 28 29 void* new_break = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(initial_break) + 2000); 30 ASSERT_EQ(0, brk(new_break)); 31 32 void* final_break = sbrk(0); 33 ASSERT_EQ(final_break, new_break); 34 } 35