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package android.net.metrics
import android.net.metrics.DhcpErrorEvent.DHCP_INVALID_OPTION_LENGTH
import android.net.metrics.DhcpErrorEvent.errorCodeWithOption
import androidx.test.filters.SmallTest
import androidx.test.runner.AndroidJUnit4
import com.android.testutils.parcelingRoundTrip
import java.lang.reflect.Modifier
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNotNull
import org.junit.Assert.assertTrue
import org.junit.Test
import org.junit.runner.RunWith
private const val TEST_ERROR_CODE = 12345
//DHCP Optional Type: DHCP Subnet Mask (Copy from DhcpPacket.java due to it's protected)
private const val DHCP_SUBNET_MASK = 1
@RunWith(AndroidJUnit4::class)
@SmallTest
class DhcpErrorEventTest {
@Test
fun testConstructor() {
val event = DhcpErrorEvent(TEST_ERROR_CODE)
assertEquals(TEST_ERROR_CODE, event.errorCode)
}
@Test
fun testParcelUnparcel() {
val event = DhcpErrorEvent(TEST_ERROR_CODE)
val parceled = parcelingRoundTrip(event)
assertEquals(TEST_ERROR_CODE, parceled.errorCode)
}
@Test
fun testErrorCodeWithOption() {
val errorCode = errorCodeWithOption(DHCP_INVALID_OPTION_LENGTH, DHCP_SUBNET_MASK);
assertTrue((DHCP_INVALID_OPTION_LENGTH and errorCode) == DHCP_INVALID_OPTION_LENGTH);
assertTrue((DHCP_SUBNET_MASK and errorCode) == DHCP_SUBNET_MASK);
}
@Test
fun testToString() {
val names = listOf("L2_ERROR", "L3_ERROR", "L4_ERROR", "DHCP_ERROR", "MISC_ERROR")
val errorFields = DhcpErrorEvent::class.java.declaredFields.filter {
it.type == Int::class.javaPrimitiveType
&& Modifier.isPublic(it.modifiers) && Modifier.isStatic(it.modifiers)
&& it.name !in names
}
errorFields.forEach {
val intValue = it.getInt(null)
val stringValue = DhcpErrorEvent(intValue).toString()
assertTrue("Invalid string for error 0x%08X (field %s): %s".format(intValue, it.name,
stringValue),
stringValue.contains(it.name))
}
}
@Test
fun testToString_InvalidErrorCode() {
assertNotNull(DhcpErrorEvent(TEST_ERROR_CODE).toString())
}
}
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