Move DeviceInfoUtilsTest from NetworkStack to frameworks/lib/net
Test: atest com.android.testutils.DeviceInfoUtilsTest
Change-Id: Ib45dea951980eae0c1576d37842477192539a740
diff --git a/common/tests/unit/src/com/android/testutils/DeviceInfoUtilsTest.java b/common/tests/unit/src/com/android/testutils/DeviceInfoUtilsTest.java
new file mode 100644
index 0000000..f99700a
--- /dev/null
+++ b/common/tests/unit/src/com/android/testutils/DeviceInfoUtilsTest.java
@@ -0,0 +1,45 @@
+/*
+ * 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.testutils;
+
+import static org.junit.Assert.assertEquals;
+
+import androidx.test.filters.SmallTest;
+
+import org.junit.Test;
+
+@SmallTest
+public final class DeviceInfoUtilsTest {
+ /**
+ * Verifies that version string compare logic returns expected result for various cases.
+ * Note that only major and minor number are compared.
+ */
+ @Test
+ public void testMajorMinorVersionCompare() {
+ assertEquals(0, DeviceInfoUtils.compareMajorMinorVersion("4.8.1", "4.8"));
+ assertEquals(1, DeviceInfoUtils.compareMajorMinorVersion("4.9", "4.8.1"));
+ assertEquals(1, DeviceInfoUtils.compareMajorMinorVersion("5.0", "4.8"));
+ assertEquals(1, DeviceInfoUtils.compareMajorMinorVersion("5", "4.8"));
+ assertEquals(0, DeviceInfoUtils.compareMajorMinorVersion("5", "5.0"));
+ assertEquals(1, DeviceInfoUtils.compareMajorMinorVersion("5-beta1", "4.8"));
+ assertEquals(0, DeviceInfoUtils.compareMajorMinorVersion("4.8.0.0", "4.8"));
+ assertEquals(0, DeviceInfoUtils.compareMajorMinorVersion("4.8-RC1", "4.8"));
+ assertEquals(0, DeviceInfoUtils.compareMajorMinorVersion("4.8", "4.8"));
+ assertEquals(-1, DeviceInfoUtils.compareMajorMinorVersion("3.10", "4.8.0"));
+ assertEquals(-1, DeviceInfoUtils.compareMajorMinorVersion("4.7.10.10", "4.8"));
+ }
+}
