| /* |
| * Copyright (C) 2017 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 android.net.wifi; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.junit.Assert.fail; |
| |
| import android.net.wifi.util.HexEncoding; |
| import android.os.Parcel; |
| |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.Test; |
| |
| import java.nio.charset.Charset; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Unit tests for {@link android.net.wifi.WifiSsid}. |
| */ |
| @SmallTest |
| public class WifiSsidTest { |
| |
| private static final String TEST_SSID_UTF_8 = "Test SSID"; |
| private static final String TEST_SSID_UTF_8_QUOTED = "\"" + TEST_SSID_UTF_8 + "\""; |
| private static final byte[] TEST_SSID_UTF_8_BYTES = |
| TEST_SSID_UTF_8.getBytes(StandardCharsets.UTF_8); |
| private static final String TEST_SSID_UTF_8_HEX = |
| HexEncoding.encodeToString(TEST_SSID_UTF_8_BYTES); |
| |
| private static final byte[] TEST_SSID_NON_UTF_8_BYTES = |
| "服務集識別碼".getBytes(Charset.forName("GBK")); |
| private static final String TEST_SSID_NON_UTF_8_HEX = |
| HexEncoding.encodeToString(TEST_SSID_NON_UTF_8_BYTES); |
| |
| /** |
| * Verify the behavior of fromByteArray() |
| */ |
| @Test |
| public void testFromByteArray() { |
| WifiSsid wifiSsidUtf8 = WifiSsid.fromBytes(TEST_SSID_UTF_8_BYTES); |
| assertThat(wifiSsidUtf8).isNotNull(); |
| assertThat(wifiSsidUtf8.getBytes()).isEqualTo(TEST_SSID_UTF_8_BYTES); |
| assertThat(wifiSsidUtf8.getUtf8Text()).isEqualTo(TEST_SSID_UTF_8); |
| assertThat(wifiSsidUtf8.toString()).isEqualTo(TEST_SSID_UTF_8_QUOTED); |
| |
| WifiSsid wifiSsidNonUtf8 = WifiSsid.fromBytes(TEST_SSID_NON_UTF_8_BYTES); |
| assertThat(wifiSsidNonUtf8).isNotNull(); |
| assertThat(wifiSsidNonUtf8.getBytes()).isEqualTo(TEST_SSID_NON_UTF_8_BYTES); |
| assertThat(wifiSsidNonUtf8.getUtf8Text()).isNull(); |
| assertThat(wifiSsidNonUtf8.toString()).isEqualTo(TEST_SSID_NON_UTF_8_HEX); |
| |
| WifiSsid wifiSsidEmpty = WifiSsid.fromBytes(new byte[0]); |
| assertThat(wifiSsidEmpty).isNotNull(); |
| assertThat(wifiSsidEmpty.getBytes()).isEmpty(); |
| assertThat(wifiSsidEmpty.getUtf8Text().toString()).isEmpty(); |
| assertThat(wifiSsidEmpty.toString()).isEmpty(); |
| |
| WifiSsid wifiSsidNull = WifiSsid.fromBytes(null); |
| assertThat(wifiSsidNull).isNotNull(); |
| assertThat(wifiSsidNull.getBytes()).isEmpty(); |
| assertThat(wifiSsidNull.getUtf8Text().toString()).isEmpty(); |
| assertThat(wifiSsidNull.toString()).isEmpty(); |
| } |
| |
| /** |
| * Verify the behavior of fromUtf8String() |
| */ |
| @Test |
| public void testFromUtf8String() { |
| WifiSsid wifiSsidUtf8 = WifiSsid.fromUtf8Text(TEST_SSID_UTF_8); |
| assertThat(wifiSsidUtf8).isNotNull(); |
| assertThat(wifiSsidUtf8.getBytes()).isEqualTo(TEST_SSID_UTF_8_BYTES); |
| assertThat(wifiSsidUtf8.getUtf8Text()).isEqualTo(TEST_SSID_UTF_8); |
| assertThat(wifiSsidUtf8.toString()).isEqualTo(TEST_SSID_UTF_8_QUOTED); |
| |
| WifiSsid wifiSsidEmpty = WifiSsid.fromUtf8Text(""); |
| assertThat(wifiSsidEmpty).isNotNull(); |
| assertThat(wifiSsidEmpty.getBytes()).isEmpty(); |
| assertThat(wifiSsidEmpty.getUtf8Text().toString()).isEmpty(); |
| assertThat(wifiSsidEmpty.toString()).isEmpty(); |
| |
| WifiSsid wifiSsidNull = WifiSsid.fromUtf8Text(null); |
| assertThat(wifiSsidNull).isNotNull(); |
| assertThat(wifiSsidNull.getBytes()).isEmpty(); |
| assertThat(wifiSsidNull.getUtf8Text().toString()).isEmpty(); |
| assertThat(wifiSsidNull.toString()).isEmpty(); |
| } |
| |
| /** |
| * Verify the behavior of fromString() |
| */ |
| @Test |
| public void testFromString() { |
| WifiSsid wifiSsidUtf8 = WifiSsid.fromString(TEST_SSID_UTF_8_QUOTED); |
| assertThat(wifiSsidUtf8).isNotNull(); |
| assertThat(wifiSsidUtf8.getBytes()).isEqualTo(TEST_SSID_UTF_8_BYTES); |
| assertThat(wifiSsidUtf8.getUtf8Text()).isEqualTo(TEST_SSID_UTF_8); |
| assertThat(wifiSsidUtf8.toString()).isEqualTo(TEST_SSID_UTF_8_QUOTED); |
| |
| WifiSsid wifiSsidUtf8Hex = WifiSsid.fromString(TEST_SSID_UTF_8_HEX); |
| assertThat(wifiSsidUtf8Hex).isNotNull(); |
| assertThat(wifiSsidUtf8Hex.getBytes()).isEqualTo(TEST_SSID_UTF_8_BYTES); |
| assertThat(wifiSsidUtf8Hex.getUtf8Text()).isEqualTo(TEST_SSID_UTF_8); |
| assertThat(wifiSsidUtf8Hex.toString()).isEqualTo(TEST_SSID_UTF_8_QUOTED); |
| |
| WifiSsid wifiSsidNonUtf8 = WifiSsid.fromString(TEST_SSID_NON_UTF_8_HEX); |
| assertThat(wifiSsidNonUtf8).isNotNull(); |
| assertThat(wifiSsidNonUtf8.getBytes()).isEqualTo(TEST_SSID_NON_UTF_8_BYTES); |
| assertThat(wifiSsidNonUtf8.getUtf8Text()).isNull(); |
| assertThat(wifiSsidNonUtf8.toString()).isEqualTo(TEST_SSID_NON_UTF_8_HEX); |
| |
| WifiSsid wifiSsidEmpty = WifiSsid.fromUtf8Text(""); |
| assertThat(wifiSsidEmpty).isNotNull(); |
| assertThat(wifiSsidEmpty.getBytes()).isEmpty(); |
| assertThat(wifiSsidEmpty.getUtf8Text().toString()).isEmpty(); |
| assertThat(wifiSsidEmpty.toString()).isEmpty(); |
| |
| WifiSsid wifiSsidNull = WifiSsid.fromUtf8Text(null); |
| assertThat(wifiSsidNull).isNotNull(); |
| assertThat(wifiSsidNull.getBytes()).isEmpty(); |
| assertThat(wifiSsidNull.getUtf8Text().toString()).isEmpty(); |
| assertThat(wifiSsidNull.toString()).isEmpty(); |
| |
| try { |
| WifiSsid.fromString("0123456"); |
| fail("Expected IllegalArgumentException for odd-length hexadecimal string"); |
| } catch (IllegalArgumentException e) { |
| // Success |
| } |
| } |
| |
| /** |
| * Verify that SSID created from bytes, UTF-8 String, and toString()-formatted String with the |
| * same content are equal. |
| * |
| * @throws Exception |
| */ |
| @Test |
| public void testEquals() throws Exception { |
| WifiSsid fromBytesUtf8 = WifiSsid.fromBytes(TEST_SSID_UTF_8_BYTES); |
| WifiSsid fromUtf8StringUtf8 = WifiSsid.fromUtf8Text(TEST_SSID_UTF_8); |
| WifiSsid fromStringUtf8 = WifiSsid.fromString(TEST_SSID_UTF_8_QUOTED); |
| assertThat(fromBytesUtf8).isNotNull(); |
| assertThat(fromUtf8StringUtf8).isNotNull(); |
| assertThat(fromStringUtf8).isNotNull(); |
| assertThat(fromBytesUtf8).isEqualTo(fromUtf8StringUtf8); |
| assertThat(fromBytesUtf8).isEqualTo(fromStringUtf8); |
| assertThat(fromUtf8StringUtf8).isEqualTo(fromStringUtf8); |
| |
| WifiSsid fromBytesNonUtf8 = WifiSsid.fromBytes(TEST_SSID_NON_UTF_8_BYTES); |
| WifiSsid fromStringNonUtf8 = WifiSsid.fromString(TEST_SSID_NON_UTF_8_HEX); |
| assertThat(fromBytesNonUtf8).isNotNull(); |
| assertThat(fromStringNonUtf8).isNotNull(); |
| assertThat(fromBytesNonUtf8).isEqualTo(fromStringNonUtf8); |
| |
| assertThat(fromBytesUtf8).isNotEqualTo(fromBytesNonUtf8); |
| } |
| |
| /** |
| * Verify the behavior of the Parcelable interface implementation. |
| */ |
| @Test |
| public void testParcelable() throws Exception { |
| List<WifiSsid> testWifiSsids = Arrays.asList( |
| WifiSsid.fromBytes(TEST_SSID_UTF_8_BYTES), |
| WifiSsid.fromBytes(TEST_SSID_NON_UTF_8_BYTES), |
| WifiSsid.fromUtf8Text(TEST_SSID_UTF_8), |
| WifiSsid.fromString(TEST_SSID_UTF_8_QUOTED), |
| WifiSsid.fromString(TEST_SSID_UTF_8_HEX), |
| WifiSsid.fromString(TEST_SSID_NON_UTF_8_HEX)); |
| |
| for (WifiSsid wifiSsid : testWifiSsids) { |
| Parcel parcel = Parcel.obtain(); |
| wifiSsid.writeToParcel(parcel, 0); |
| parcel.setDataPosition(0); |
| assertThat(WifiSsid.CREATOR.createFromParcel(parcel)).isEqualTo(wifiSsid); |
| } |
| } |
| } |