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/*
* Copyright (C) 2016 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.server.wifi.util;
import static org.junit.Assert.*;
import androidx.test.filters.SmallTest;
import org.junit.Test;
import java.util.ArrayList;
import java.util.Arrays;
/**
* Unit tests for {@link com.android.server.wifi.util.NativeUtil}.
*/
@SmallTest
public class NativeUtilTest {
/**
* Test that parsing a typical colon-delimited MAC address works.
*/
@Test
public void testMacAddressToByteArray() throws Exception {
assertArrayEquals(new byte[]{0x61, 0x52, 0x43, 0x34, 0x25, 0x16},
NativeUtil.macAddressToByteArray("61:52:43:34:25:16"));
}
/**
* Test that parsing an empty MAC address works.
*/
@Test
public void testEmptyMacAddressToByteArray() throws Exception {
assertArrayEquals(new byte[]{0, 0, 0, 0, 0, 0},
NativeUtil.macAddressToByteArray(""));
assertArrayEquals(new byte[]{0, 0, 0, 0, 0, 0},
NativeUtil.macAddressToByteArray(null));
}
/**
* Test that conversion of byte array of mac address to typical colon-delimited MAC address
* works.
*/
@Test
public void testByteArrayToMacAddress() throws Exception {
assertEquals("61:52:43:34:25:16",
NativeUtil.macAddressFromByteArray(new byte[]{0x61, 0x52, 0x43, 0x34, 0x25, 0x16}));
}
/**
* Test that parsing a typical colon-delimited MAC OUI address works.
*/
@Test
public void testMacAddressOuiToByteArray() throws Exception {
assertArrayEquals(new byte[]{0x61, 0x52, 0x43},
NativeUtil.macAddressOuiToByteArray("61:52:43"));
}
/**
* Test that parsing a hex string to byte array works.
*/
@Test
public void testHexStringToByteArray() throws Exception {
assertArrayEquals(new byte[]{0x45, 0x12, 0x23, 0x34},
NativeUtil.hexStringToByteArray("45122334"));
}
/**
* Test that conversion of byte array to hexstring works.
*/
@Test
public void testHexStringFromByteArray() throws Exception {
assertEquals("45122334",
NativeUtil.hexStringFromByteArray(new byte[]{0x45, 0x12, 0x23, 0x34}));
}
/**
* Test that conversion of ssid bytes to quoted ASCII string ssid works.
*/
@Test
public void testAsciiSsidDecode() throws Exception {
assertEquals(
new ArrayList<>(
Arrays.asList((byte) 's', (byte) 's', (byte) 'i', (byte) 'd', (byte) '_',
(byte) 't', (byte) 'e', (byte) 's', (byte) 't', (byte) '1',
(byte) '2', (byte) '3')),
NativeUtil.decodeSsid("\"ssid_test123\""));
}
/**
* Test that conversion of ssid bytes to quoted UTF8 string ssid works.
*/
@Test
public void testUtf8SsidDecode() throws Exception {
assertEquals(
new ArrayList<>(
Arrays.asList((byte) 0x41, (byte) 0x6e, (byte) 0x64, (byte) 0x72,
(byte) 0x6f, (byte) 0x69, (byte) 0x64, (byte) 0x41, (byte) 0x50,
(byte) 0xe3, (byte) 0x81, (byte) 0x8f, (byte) 0xe3, (byte) 0x81,
(byte) 0xa0, (byte) 0xe3, (byte) 0x81, (byte) 0x95, (byte) 0xe3,
(byte) 0x81, (byte) 0x84)),
NativeUtil.decodeSsid("\"AndroidAPください\""));
}
/**
* Test that conversion of non utf-8 SSID string to bytes fail.
*/
@Test
public void testNonUtf8SsidDecodeFails() throws Exception {
try {
NativeUtil.decodeSsid("\"\ud800\"");
fail("Expected ssid decode to fail");
} catch (IllegalArgumentException e) {
}
}
/**
* Test that conversion of SSID string with len > 32 to bytes fail.
*/
@Test
public void testLargeSsidDecodeFails() throws Exception {
try {
NativeUtil.decodeSsid("\"asdrewqdfgyuiopldsqwertyuiolhdergcv\"");
fail("Expected ssid decode to fail");
} catch (IllegalArgumentException e) {
}
}
/**
* Test that conversion of ssid bytes to hex string ssid works.
*/
@Test
public void testNonSsidDecode() throws Exception {
assertEquals(
new ArrayList<>(
Arrays.asList((byte) 0xf5, (byte) 0xe4, (byte) 0xab, (byte) 0x78,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a)),
NativeUtil.decodeSsid("f5e4ab78ab3432439a"));
}
/**
* Test that conversion of ssid bytes to quoted string ssid works.
*/
@Test
public void testSsidEncode() throws Exception {
assertEquals(
"\"ssid_test123\"",
NativeUtil.encodeSsid(new ArrayList<>(
Arrays.asList((byte) 's', (byte) 's', (byte) 'i', (byte) 'd', (byte) '_',
(byte) 't', (byte) 'e', (byte) 's', (byte) 't', (byte) '1',
(byte) '2', (byte) '3'))));
}
/**
* Test that conversion of byte array to hex string works when the byte array contains 0.
*/
@Test
public void testNullCharInSsidEncode() throws Exception {
assertEquals(
"007369645f74657374313233",
NativeUtil.encodeSsid(new ArrayList<>(
Arrays.asList((byte) 0x00, (byte) 's', (byte) 'i', (byte) 'd', (byte) '_',
(byte) 't', (byte) 'e', (byte) 's', (byte) 't', (byte) '1',
(byte) '2', (byte) '3'))));
}
/**
* Test that conversion of byte array to hex string ssid works.
*/
@Test
public void testNonSsidEncode() throws Exception {
assertEquals(
"f5e4ab78ab3432439a",
NativeUtil.encodeSsid(new ArrayList<>(
Arrays.asList((byte) 0xf5, (byte) 0xe4, (byte) 0xab, (byte) 0x78,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a))));
}
/**
* Test that conversion of SSID bytes with len > 32 to string fail.
*/
@Test
public void testLargeSsidEncodeFails() throws Exception {
try {
NativeUtil.encodeSsid(new ArrayList<>(
Arrays.asList((byte) 0xf5, (byte) 0xe4, (byte) 0xab, (byte) 0x78, (byte) 0x78,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a,
(byte) 0xab, (byte) 0x34, (byte) 0x32, (byte) 0x43, (byte) 0x9a)));
fail("Expected ssid encode to fail");
} catch (IllegalArgumentException e) {
}
}
/**
* Test that parsing of quoted SSID to byte array and vice versa works.
*/
@Test
public void testSsidEncodeDecode() throws Exception {
String ssid = "\"ssid_test123\"";
assertEquals(ssid, NativeUtil.encodeSsid(NativeUtil.decodeSsid(ssid)));
}
/**
* Test that the enclosing quotes are removed properly.
*/
@Test
public void testRemoveEnclosingQuotes() throws Exception {
assertEquals("abcdefgh", NativeUtil.removeEnclosingQuotes("\"abcdefgh\""));
assertEquals("abcdefgh", NativeUtil.removeEnclosingQuotes("abcdefgh"));
}
}
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