Coverage Report
File ContainerHelpers.java
Coverage histogram
27% of files have more coverage
Classes
| Class | Line # | Actions | |||
|---|---|---|---|---|---|
| ContainerHelpers | 47 | 33 | 12 |
Contributing tests
This file is covered by 41 tests.
.
Source view
| 1 | /* | |
| 2 | * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) | |
| 3 | * Copyright (C) $$Year-Rel$$ The Jalview Authors | |
| 4 | * | |
| 5 | * This file is part of Jalview. | |
| 6 | * | |
| 7 | * Jalview is free software: you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU General Public License | |
| 9 | * as published by the Free Software Foundation, either version 3 | |
| 10 | * of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * Jalview is distributed in the hope that it will be useful, but | |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty | |
| 14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR | |
| 15 | * PURPOSE. See the GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with Jalview. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | * The Jalview Authors are detailed in the 'AUTHORS' file. | |
| 20 | */ | |
| 21 | package jalview.ext.android; | |
| 22 | ||
| 23 | /* | |
| 24 | * Copyright (C) 2013 The Android Open Source Project | |
| 25 | * | |
| 26 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 27 | * you may not use this file except in compliance with the License. | |
| 28 | * You may obtain a copy of the License at | |
| 29 | * | |
| 30 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 31 | * | |
| 32 | * Unless required by applicable law or agreed to in writing, software | |
| 33 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 34 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 35 | * See the License for the specific language governing permissions and | |
| 36 | * limitations under the License. | |
| 37 | */ | |
| 38 | ||
| 39 | /* | |
| 40 | * Copied to Jalview September 2016. | |
| 41 | * Only the members of this class required for SparseIntArray were copied. | |
| 42 | * Change Log: | |
| 43 | * Sep 2016: Method binarySearch(short[] array, int size, short value) added to support | |
| 44 | * SparseShortArray. | |
| 45 | * Jan 2017: EMPTY_DOUBLES added | |
| 46 | */ | |
| 47 | class ContainerHelpers | |
| 48 | { | |
| 49 | static final boolean[] EMPTY_BOOLEANS = new boolean[0]; | |
| 50 | ||
| 51 | static final int[] EMPTY_INTS = new int[0]; | |
| 52 | ||
| 53 | static final double[] EMPTY_DOUBLES = new double[0]; | |
| 54 | ||
| 55 | static final long[] EMPTY_LONGS = new long[0]; | |
| 56 | ||
| 57 | static final Object[] EMPTY_OBJECTS = new Object[0]; | |
| 58 | ||
| 59 | // This is Arrays.binarySearch(), but doesn't do any argument validation. | |
| 60 | 9667 |  static int binarySearch(int[] array, int size, int value) |
| 61 | { | |
| 62 | 9667 | int lo = 0; |
| 63 | 9667 | int hi = size - 1; |
| 64 | 26164 | while (lo <= hi) |
| 65 | { | |
| 66 | 23965 | final int mid = (lo + hi) >>> 1; |
| 67 | 23965 | final int midVal = array[mid]; |
| 68 | 23965 | if (midVal < value) |
| 69 | { | |
| 70 | 10917 | lo = mid + 1; |
| 71 | } | |
| 72 | 13048 | else if (midVal > value) |
| 73 | { | |
| 74 | 5580 | hi = mid - 1; |
| 75 | } | |
| 76 | else | |
| 77 | { | |
| 78 | 7468 | return mid; // value found |
| 79 | } | |
| 80 | } | |
| 81 | 2199 | return ~lo; // value not present |
| 82 | } | |
| 83 | ||
| 84 | 0 | static int binarySearch(long[] array, int size, long value) |
| 85 | { | |
| 86 | 0 | int lo = 0; |
| 87 | 0 | int hi = size - 1; |
| 88 | 0 | while (lo <= hi) |
| 89 | { | |
| 90 | 0 | final int mid = (lo + hi) >>> 1; |
| 91 | 0 | final long midVal = array[mid]; |
| 92 | 0 | if (midVal < value) |
| 93 | { | |
| 94 | 0 | lo = mid + 1; |
| 95 | } | |
| 96 | 0 | else if (midVal > value) |
| 97 | { | |
| 98 | 0 | hi = mid - 1; |
| 99 | } | |
| 100 | else | |
| 101 | { | |
| 102 | 0 | return mid; // value found |
| 103 | } | |
| 104 | } | |
| 105 | 0 | return ~lo; // value not present |
| 106 | } | |
| 107 | ||
| 108 | // This is Arrays.binarySearch(), but doesn't do any argument validation. | |
| 109 | 126 | static int binarySearch(short[] array, int size, short value) |
| 110 | { | |
| 111 | 126 | int lo = 0; |
| 112 | 126 | int hi = size - 1; |
| 113 | 148 | while (lo <= hi) |
| 114 | { | |
| 115 | 62 | final int mid = (lo + hi) >>> 1; |
| 116 | 62 | final short midVal = array[mid]; |
| 117 | 62 | if (midVal < value) |
| 118 | { | |
| 119 | 18 | lo = mid + 1; |
| 120 | } | |
| 121 | 44 | else if (midVal > value) |
| 122 | { | |
| 123 | 4 | hi = mid - 1; |
| 124 | } | |
| 125 | else | |
| 126 | { | |
| 127 | 40 | return mid; // value found |
| 128 | } | |
| 129 | } | |
| 130 | 86 | return ~lo; // value not present |
| 131 | } | |
| 132 | } |