diff options
Diffstat (limited to 'mtectrl/src/com/android/tests/mtectrl/MtectrlEndToEndTest.java')
-rw-r--r-- | mtectrl/src/com/android/tests/mtectrl/MtectrlEndToEndTest.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/mtectrl/src/com/android/tests/mtectrl/MtectrlEndToEndTest.java b/mtectrl/src/com/android/tests/mtectrl/MtectrlEndToEndTest.java new file mode 100644 index 00000000..fd3d4401 --- /dev/null +++ b/mtectrl/src/com/android/tests/mtectrl/MtectrlEndToEndTest.java @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2022 The Android Open Source Project + * + * 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.android.tests.mtectrl; + +import static com.google.common.truth.Truth.assertThat; + +import static org.hamcrest.CoreMatchers.equalTo; +import static org.junit.Assume.assumeThat; + +import com.android.tradefed.invoker.TestInformation; +import com.android.tradefed.testtype.DeviceJUnit4ClassRunner; +import com.android.tradefed.testtype.junit4.AfterClassWithInfo; +import com.android.tradefed.testtype.junit4.BaseHostJUnit4Test; +import com.android.tradefed.testtype.junit4.BeforeClassWithInfo; + +import org.junit.Test; +import org.junit.runner.RunWith; + +// Test the protocol described in +// https://source.android.com/docs/security/test/memory-safety/bootloader-support. +// This will reboot the device multiple times, which is perfectly normal. + +@RunWith(DeviceJUnit4ClassRunner.class) +public class MtectrlEndToEndTest extends BaseHostJUnit4Test { + private static String mPreviousState = null; + + @BeforeClassWithInfo + public static void setUp(TestInformation testInfo) throws Exception { + assumeThat( + testInfo.getDevice().getProperty("ro.arm64.memtag.bootctl_supported"), + equalTo("1")); + mPreviousState = testInfo.getDevice().getProperty("arm64.memtag.bootctl"); + if (mPreviousState == null) { + mPreviousState = ""; + } + } + + @AfterClassWithInfo + public static void tearDown(TestInformation testInfo) throws Exception { + if (mPreviousState != null) { + testInfo.getDevice().setProperty("arm64.memtag.bootctl", mPreviousState); + testInfo.getDevice().reboot(); + } + } + + @Test + public void testMemtagOnce() throws Exception { + getDevice().setProperty("arm64.memtag.bootctl", "memtag-once"); + getDevice().reboot(); + assertThat(getDevice().getProperty("arm64.memtag.bootctl")).isAnyOf("", "none", null); + assertThat(getDevice().pullFileContents("/proc/cpuinfo")).contains("mte"); + getDevice().reboot(); + assertThat(getDevice().getProperty("arm64.memtag.bootctl")).isAnyOf("", "none", null); + assertThat(getDevice().pullFileContents("/proc/cpuinfo")).doesNotContain("mte"); + } + + @Test + public void testMemtag() throws Exception { + getDevice().setProperty("arm64.memtag.bootctl", "memtag"); + getDevice().reboot(); + assertThat(getDevice().getProperty("arm64.memtag.bootctl")).isEqualTo("memtag"); + assertThat(getDevice().pullFileContents("/proc/cpuinfo")).contains("mte"); + getDevice().reboot(); + assertThat(getDevice().getProperty("arm64.memtag.bootctl")).isEqualTo("memtag"); + assertThat(getDevice().pullFileContents("/proc/cpuinfo")).contains("mte"); + } + + @Test + public void testBoth() throws Exception { + getDevice().setProperty("arm64.memtag.bootctl", "memtag,memtag-once"); + getDevice().reboot(); + assertThat(getDevice().getProperty("arm64.memtag.bootctl")).isEqualTo("memtag"); + assertThat(getDevice().pullFileContents("/proc/cpuinfo")).contains("mte"); + getDevice().reboot(); + assertThat(getDevice().getProperty("arm64.memtag.bootctl")).isEqualTo("memtag"); + assertThat(getDevice().pullFileContents("/proc/cpuinfo")).contains("mte"); + } +} |