| /* |
| * 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.nan; |
| |
| import static org.hamcrest.core.IsEqual.equalTo; |
| |
| import android.net.wifi.nan.TlvBufferUtils; |
| import android.test.suitebuilder.annotation.SmallTest; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ErrorCollector; |
| import org.junit.rules.ExpectedException; |
| |
| /** |
| * Unit test harness for WifiNanManager class. |
| */ |
| @SmallTest |
| public class TlvBufferUtilsTest { |
| @Rule |
| public ErrorCollector collector = new ErrorCollector(); |
| |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| /* |
| * TlvBufferUtils Tests |
| */ |
| |
| @Test |
| public void testTlvBuild() { |
| TlvBufferUtils.TlvConstructor tlv11 = new TlvBufferUtils.TlvConstructor(1, 1); |
| tlv11.allocate(15); |
| tlv11.putByte(0, (byte) 2); |
| tlv11.putByteArray(2, new byte[] { |
| 0, 1, 2 }); |
| |
| collector.checkThat("tlv11-correct-construction", |
| utilAreArraysEqual(tlv11.getArray(), tlv11.getActualLength(), new byte[] { |
| 0, 1, 2, 2, 3, 0, 1, 2 }, 8), |
| equalTo(true)); |
| |
| TlvBufferUtils.TlvConstructor tlv01 = new TlvBufferUtils.TlvConstructor(0, 1); |
| tlv01.allocate(15); |
| tlv01.putByte(0, (byte) 2); |
| tlv01.putByteArray(2, new byte[] { |
| 0, 1, 2 }); |
| |
| collector.checkThat("tlv01-correct-construction", |
| utilAreArraysEqual(tlv01.getArray(), tlv01.getActualLength(), new byte[] { |
| 1, 2, 3, 0, 1, 2 }, 6), |
| equalTo(true)); |
| } |
| |
| @Test |
| public void testTlvIterate() { |
| TlvBufferUtils.TlvConstructor tlv22 = new TlvBufferUtils.TlvConstructor(2, 2); |
| tlv22.allocate(18); |
| tlv22.putInt(0, 2); |
| tlv22.putShort(2, (short) 3); |
| tlv22.putZeroLengthElement(55); |
| |
| TlvBufferUtils.TlvIterable tlv22It = new TlvBufferUtils.TlvIterable(2, 2, tlv22.getArray(), |
| tlv22.getActualLength()); |
| int count = 0; |
| for (TlvBufferUtils.TlvElement tlv : tlv22It) { |
| if (count == 0) { |
| collector.checkThat("tlv22-correct-iteration-mType", tlv.mType, equalTo(0)); |
| collector.checkThat("tlv22-correct-iteration-mLength", tlv.mLength, equalTo(4)); |
| collector.checkThat("tlv22-correct-iteration-DATA", tlv.getInt(), equalTo(2)); |
| } else if (count == 1) { |
| collector.checkThat("tlv22-correct-iteration-mType", tlv.mType, equalTo(2)); |
| collector.checkThat("tlv22-correct-iteration-mLength", tlv.mLength, equalTo(2)); |
| collector.checkThat("tlv22-correct-iteration-DATA", (int) tlv.getShort(), |
| equalTo(3)); |
| } else if (count == 2) { |
| collector.checkThat("tlv22-correct-iteration-mType", tlv.mType, equalTo(55)); |
| collector.checkThat("tlv22-correct-iteration-mLength", tlv.mLength, equalTo(0)); |
| } else { |
| collector.checkThat("Invalid number of iterations in loop - tlv22", true, |
| equalTo(false)); |
| } |
| ++count; |
| } |
| if (count != 3) { |
| collector.checkThat("Invalid number of iterations outside loop - tlv22", true, |
| equalTo(false)); |
| } |
| |
| TlvBufferUtils.TlvConstructor tlv02 = new TlvBufferUtils.TlvConstructor(0, 2); |
| tlv02.allocate(15); |
| tlv02.putByte(0, (byte) 2); |
| tlv02.putString(0, "ABC"); |
| |
| TlvBufferUtils.TlvIterable tlv02It = new TlvBufferUtils.TlvIterable(0, 2, tlv02.getArray(), |
| tlv02.getActualLength()); |
| count = 0; |
| for (TlvBufferUtils.TlvElement tlv : tlv02It) { |
| if (count == 0) { |
| collector.checkThat("tlv02-correct-iteration-mLength", tlv.mLength, equalTo(1)); |
| collector.checkThat("tlv02-correct-iteration-DATA", (int) tlv.getByte(), |
| equalTo(2)); |
| } else if (count == 1) { |
| collector.checkThat("tlv02-correct-iteration-mLength", tlv.mLength, equalTo(3)); |
| collector.checkThat("tlv02-correct-iteration-DATA", tlv.getString().equals("ABC"), |
| equalTo(true)); |
| } else { |
| collector.checkThat("Invalid number of iterations in loop - tlv02", true, |
| equalTo(false)); |
| } |
| ++count; |
| } |
| if (count != 2) { |
| collector.checkThat("Invalid number of iterations outside loop - tlv02", true, |
| equalTo(false)); |
| } |
| } |
| |
| @Test |
| public void testTlvInvalidSizeT1L0() { |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvConstructor tlv10 = new TlvBufferUtils.TlvConstructor(1, 0); |
| } |
| |
| @Test |
| public void testTlvInvalidSizeTm3L2() { |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvConstructor tlv10 = new TlvBufferUtils.TlvConstructor(-3, 2); |
| } |
| |
| @Test |
| public void testTlvInvalidSizeT1Lm2() { |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvConstructor tlv10 = new TlvBufferUtils.TlvConstructor(1, -2); |
| } |
| |
| @Test |
| public void testTlvInvalidSizeT1L3() { |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvConstructor tlv10 = new TlvBufferUtils.TlvConstructor(1, 3); |
| } |
| |
| @Test |
| public void testTlvInvalidSizeT3L1() { |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvConstructor tlv10 = new TlvBufferUtils.TlvConstructor(3, 1); |
| } |
| |
| @Test |
| public void testTlvItInvalidSizeT1L0() { |
| final byte[] dummy = { |
| 0, 1, 2 }; |
| final int dummyLength = 3; |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvIterable tlvIt10 = new TlvBufferUtils.TlvIterable(1, 0, dummy, |
| dummyLength); |
| } |
| |
| @Test |
| public void testTlvItInvalidSizeTm3L2() { |
| final byte[] dummy = { |
| 0, 1, 2 }; |
| final int dummyLength = 3; |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvIterable tlvIt10 = new TlvBufferUtils.TlvIterable(-3, 2, dummy, |
| dummyLength); |
| } |
| |
| @Test |
| public void testTlvItInvalidSizeT1Lm2() { |
| final byte[] dummy = { |
| 0, 1, 2 }; |
| final int dummyLength = 3; |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvIterable tlvIt10 = new TlvBufferUtils.TlvIterable(1, -2, dummy, |
| dummyLength); |
| } |
| |
| @Test |
| public void testTlvItInvalidSizeT1L3() { |
| final byte[] dummy = { |
| 0, 1, 2 }; |
| final int dummyLength = 3; |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvIterable tlvIt10 = new TlvBufferUtils.TlvIterable(1, 3, dummy, |
| dummyLength); |
| } |
| |
| @Test |
| public void testTlvItInvalidSizeT3L1() { |
| final byte[] dummy = { |
| 0, 1, 2 }; |
| final int dummyLength = 3; |
| thrown.expect(IllegalArgumentException.class); |
| TlvBufferUtils.TlvIterable tlvIt10 = new TlvBufferUtils.TlvIterable(3, 1, dummy, |
| dummyLength); |
| } |
| |
| /* |
| * Utilities |
| */ |
| |
| private static boolean utilAreArraysEqual(byte[] x, int xLength, byte[] y, int yLength) { |
| if (xLength != yLength) { |
| return false; |
| } |
| |
| if (x != null && y != null) { |
| for (int i = 0; i < xLength; ++i) { |
| if (x[i] != y[i]) { |
| return false; |
| } |
| } |
| } else if (xLength != 0) { |
| return false; // invalid != invalid |
| } |
| |
| return true; |
| } |
| } |