1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.car.obd2.test; 18 19 import static org.junit.Assert.*; 20 21 import com.android.car.obd2.IntegerArrayStream; 22 import org.junit.Test; 23 24 /** Tests for IntegerArrayStream */ 25 public class IntegerArrayStreamTest { 26 private static int[] DATA_SET = new int[] {1, 2, 3, 4, 5, 6}; 27 28 @Test 29 public void testPeekConsume() { 30 IntegerArrayStream stream = new IntegerArrayStream(DATA_SET); 31 assertEquals(1, stream.peek()); 32 assertEquals(1, stream.consume()); 33 assertEquals(2, stream.peek()); 34 assertEquals(2, stream.consume()); 35 } 36 37 @Test 38 public void testResidualLength() { 39 IntegerArrayStream stream = new IntegerArrayStream(DATA_SET); 40 assertEquals(DATA_SET.length, stream.residualLength()); 41 stream.consume(); 42 assertEquals(DATA_SET.length - 1, stream.residualLength()); 43 } 44 45 @Test 46 public void testHasAtLeast() { 47 IntegerArrayStream stream = new IntegerArrayStream(DATA_SET); 48 assertTrue(stream.hasAtLeast(1)); 49 assertTrue(stream.hasAtLeast(DATA_SET.length)); 50 assertFalse(stream.hasAtLeast(100)); 51 assertTrue(stream.hasAtLeast(1, theStream -> true)); 52 assertFalse(stream.hasAtLeast(100, theStream -> true, theStream -> false)); 53 } 54 55 @Test 56 public void testExpect() { 57 IntegerArrayStream stream = new IntegerArrayStream(DATA_SET); 58 assertTrue(stream.expect(1, 2, 3)); 59 assertFalse(stream.expect(4, 6)); 60 assertEquals(5, stream.peek()); 61 } 62 63 @Test 64 public void testIsEmpty() { 65 IntegerArrayStream stream = new IntegerArrayStream(DATA_SET); 66 assertFalse(stream.isEmpty()); 67 stream.expect(1, 2, 3, 4, 5); 68 assertFalse(stream.isEmpty()); 69 stream.consume(); 70 assertTrue(stream.isEmpty()); 71 } 72 } 73
