| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| /* |
| * Note: Lincoln's Gettysburg Address is in the public domain. See LICENSE. |
| */ |
| |
| package org.apache.datasketches.memory; |
| |
| import static org.apache.datasketches.memory.Util.characterPad; |
| import static org.apache.datasketches.memory.Util.getResourceFile; |
| import static org.apache.datasketches.memory.Util.getResourceBytes; |
| import static org.apache.datasketches.memory.Util.negativeCheck; |
| import static org.apache.datasketches.memory.Util.nullCheck; |
| import static org.apache.datasketches.memory.Util.zeroCheck; |
| import static org.apache.datasketches.memory.Util.zeroPad; |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| import static org.testng.Assert.fail; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.LinkOption; |
| import java.nio.file.attribute.PosixFileAttributeView; |
| import java.nio.file.attribute.PosixFileAttributes; |
| import java.nio.file.attribute.PosixFilePermissions; |
| |
| import org.testng.annotations.Test; |
| |
| @SuppressWarnings("javadoc") |
| public class UtilTest { |
| private static final String LS = System.getProperty("line.separator"); |
| |
| //Binary Search |
| @Test |
| public void checkBinarySearch() { |
| int k = 1024; //longs |
| WritableMemory wMem = WritableMemory.allocate(k << 3); //1024 longs |
| for (int i = 0; i < k; i++) { wMem.putLong(i << 3, i); } |
| long idx = Util.binarySearchLongs(wMem, 0, k - 1, k / 2); |
| long val = wMem.getLong(idx << 3); |
| assertEquals(idx, k/2); |
| assertEquals(val, k/2); |
| |
| idx = Util.binarySearchLongs(wMem, 0, k - 1, k); |
| assertEquals(idx, -1024); |
| } |
| |
| @Test(expectedExceptions = IllegalArgumentException.class) |
| public void checkBoundsTest() { |
| UnsafeUtil.checkBounds(999, 2, 1000); |
| } |
| |
| @Test |
| public void checkPadding() { |
| String s = "123"; |
| String t = zeroPad(s, 4); |
| assertTrue(t.startsWith("0")); |
| |
| t = characterPad(s, 4, '0', true); |
| assertTrue(t.endsWith("0")); |
| |
| t = characterPad(s, 3, '0', false); |
| assertEquals(s, t); |
| } |
| |
| @Test |
| public void checkNullZeroNegativeChecks() { |
| Object obj = null; |
| try { |
| nullCheck(obj, "Test Object"); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| //OK |
| } |
| try { |
| zeroCheck(0, "Test Long"); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| //OK |
| } |
| try { |
| negativeCheck(-1L, "Test Long"); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| //OK |
| } |
| } |
| |
| @Test |
| public void checkCodePointArr() { |
| final Util.RandomCodePoints rvcp = new Util.RandomCodePoints(true); |
| final int n = 1000; |
| final int[] cpArr = new int[n]; |
| rvcp.fillCodePointArray(cpArr); |
| for (int i = 0; i < n; i++) { |
| int cp = cpArr[i]; |
| if ((cp >= Character.MIN_SURROGATE) && (cp <= Character.MAX_SURROGATE)) { |
| fail(); |
| } |
| } |
| } |
| |
| @Test |
| public void checkCodePoint() { |
| final Util.RandomCodePoints rvcp = new Util.RandomCodePoints(true); |
| final int n = 1000; |
| for (int i = 0; i < n; i++) { |
| int cp = rvcp.getCodePoint(); |
| if ((cp >= Character.MIN_SURROGATE) && (cp <= Character.MAX_SURROGATE)) { |
| fail(); |
| } |
| } |
| } |
| |
| static final String getFileAttributes(File file) { |
| try { |
| PosixFileAttributes attrs = Files.getFileAttributeView( |
| file.toPath(), PosixFileAttributeView.class, new LinkOption[0]).readAttributes(); |
| String s = String.format("%s: %s %s %s%n", |
| file.getPath(), |
| attrs.owner().getName(), |
| attrs.group().getName(), |
| PosixFilePermissions.toString(attrs.permissions())); |
| return s; |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| static final void setGettysburgAddressFileToReadOnly() { |
| File file = getResourceFile("GettysburgAddress.txt"); |
| try { |
| Files.setPosixFilePermissions(file.toPath(), PosixFilePermissions.fromString("r--r--r--")); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| //Resources |
| |
| @Test |
| public void resourceFileExits() { |
| final String shortFileName = "GettysburgAddress.txt"; |
| final File file = getResourceFile(shortFileName); |
| assertTrue(file.exists()); |
| } |
| |
| @Test(expectedExceptions = IllegalArgumentException.class) |
| public void resourceFileNotFound() { |
| final String shortFileName = "GettysburgAddress.txt"; |
| getResourceFile(shortFileName + "123"); |
| } |
| |
| @Test |
| public void resourceBytesCorrect() { |
| final String shortFileName = "GettysburgAddress.txt"; |
| final byte[] bytes = getResourceBytes(shortFileName); |
| assertTrue(bytes.length == 1541); |
| } |
| |
| @Test(expectedExceptions = IllegalArgumentException.class) |
| public void resourceBytesFileNotFound() { |
| final String shortFileName = "GettysburgAddress.txt"; |
| getResourceBytes(shortFileName + "123"); |
| } |
| |
| @Test |
| public void printlnTest() { |
| println("PRINTING: "+this.getClass().getName()); |
| } |
| |
| static void println(final Object o) { |
| if (o == null) { print(LS); } |
| else { print(o.toString() + LS); } |
| } |
| |
| /** |
| * @param o value to print |
| */ |
| static void print(final Object o) { |
| if (o != null) { |
| //System.out.print(o.toString()); //disable here |
| } |
| } |
| |
| } |