| // Copyright 2019 The Bazel Authors. All rights reserved. |
| // |
| // 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. |
| |
| package com.google.devtools.build.lib.platform; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import com.google.devtools.build.lib.util.OS; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for {@link MemoryPressureCounter}. */ |
| @RunWith(JUnit4.class) |
| public final class MemoryPressureCounterTest { |
| |
| @Test |
| public void testMemoryPressure() throws Exception { |
| if (OS.getCurrent() == OS.DARWIN) { |
| // Unfortunately there is no good way to easily test memory pressure on Darwin. |
| // Running `memory_pressure -S -l warn` would do it, but it requires `sudo` to |
| // function. |
| assertThat(MemoryPressureCounter.warningCount()).isAtLeast(0); |
| assertThat(MemoryPressureCounter.criticalCount()).isAtLeast(0); |
| } else { |
| assertThat(MemoryPressureCounter.warningCount()).isEqualTo(0); |
| assertThat(MemoryPressureCounter.criticalCount()).isEqualTo(0); |
| } |
| } |
| } |