399 lines
12 KiB
Java
399 lines
12 KiB
Java
/*
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* Copyright (C) 2015, Matthias Sohn <matthias.sohn@sap.com> and others
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Distribution License v. 1.0 which is available at
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* https://www.eclipse.org/org/documents/edl-v10.php.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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package org.eclipse.jgit.lfs.lib;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import static java.nio.charset.StandardCharsets.US_ASCII;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotEquals;
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import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.nio.ByteBuffer;
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import java.nio.charset.Charset;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.Locale;
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import org.eclipse.jgit.junit.JGitTestUtil;
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import org.eclipse.jgit.lfs.errors.InvalidLongObjectIdException;
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import org.eclipse.jgit.lfs.test.LongObjectIdTestUtils;
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import org.eclipse.jgit.util.FileUtils;
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import org.junit.AfterClass;
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import org.junit.BeforeClass;
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import org.junit.Test;
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/*
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* Ported to SHA-256 from org.eclipse.jgit.lib.ObjectIdTest
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*/
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public class LongObjectIdTest {
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private static Path tmp;
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@BeforeClass
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public static void setup() throws IOException {
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tmp = Files.createTempDirectory("jgit_test_");
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}
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@AfterClass
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public static void tearDown() throws IOException {
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FileUtils.delete(tmp.toFile(), FileUtils.RECURSIVE | FileUtils.RETRY);
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}
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@Test
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public void test001_toString() {
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final String x = "8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a";
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final LongObjectId oid = LongObjectId.fromString(x);
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assertEquals(x, oid.name());
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}
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@Test
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public void test002_toString() {
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final String x = "140ce71d628cceb78e3709940ba52a651a0c4a9c1400f2e15e998a1a43887edf";
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final LongObjectId oid = LongObjectId.fromString(x);
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assertEquals(x, oid.name());
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}
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@Test
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public void test003_equals() {
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final String x = "8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a";
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final LongObjectId a = LongObjectId.fromString(x);
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final LongObjectId b = LongObjectId.fromString(x);
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assertEquals(a.hashCode(), b.hashCode());
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assertEquals("a and b should be equal", b, a);
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}
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@Test
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public void test004_isId() {
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assertTrue("valid id", LongObjectId.isId(
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"8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a"));
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}
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@Test
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public void test005_notIsId() {
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assertFalse("bob is not an id", LongObjectId.isId("bob"));
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}
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@Test
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public void test006_notIsId() {
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assertFalse("63 digits is not an id", LongObjectId.isId(
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"8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0"));
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}
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@Test
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public void test007_isId() {
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assertTrue("uppercase is accepted", LongObjectId.isId(
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"8367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2dEb7ab0A"));
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}
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@Test
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public void test008_notIsId() {
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assertFalse("g is not a valid hex digit", LongObjectId.isId(
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"g367b0edc81df80e6b42eb1b71f783111224e058cb3da37894d065d2deb7ab0a"));
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}
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@Test
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public void test009_toString() {
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final String x = "140ce71d628cceb78e3709940ba52a651a0c4a9c1400f2e15e998a1a43887edf";
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final LongObjectId oid = LongObjectId.fromString(x);
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assertEquals(x, LongObjectId.toString(oid));
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}
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@Test
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public void test010_toString() {
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final String x = "0000000000000000000000000000000000000000000000000000000000000000";
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assertEquals(x, LongObjectId.toString(null));
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}
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@Test
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public void test011_toString() {
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final String x = "0123456789ABCDEFabcdef01234567890123456789ABCDEFabcdef0123456789";
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final LongObjectId oid = LongObjectId.fromString(x);
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assertEquals(x.toLowerCase(Locale.ROOT), oid.name());
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}
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@Test
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public void testGetByte() {
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byte[] raw = new byte[32];
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for (int i = 0; i < 32; i++)
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raw[i] = (byte) (0xa0 + i);
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LongObjectId id = LongObjectId.fromRaw(raw);
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assertEquals(raw[0] & 0xff, id.getFirstByte());
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assertEquals(raw[0] & 0xff, id.getByte(0));
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assertEquals(raw[1] & 0xff, id.getByte(1));
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assertEquals(raw[1] & 0xff, id.getSecondByte());
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for (int i = 2; i < 32; i++) {
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assertEquals("index " + i, raw[i] & 0xff, id.getByte(i));
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}
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try {
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id.getByte(32);
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fail("LongObjectId has 32 byte only");
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} catch (ArrayIndexOutOfBoundsException e) {
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// expected
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}
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}
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@Test
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public void testSetByte() {
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byte[] exp = new byte[32];
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for (int i = 0; i < 32; i++) {
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exp[i] = (byte) (0xa0 + i);
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}
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MutableLongObjectId id = new MutableLongObjectId();
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id.fromRaw(exp);
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assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
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id.setByte(0, 0x10);
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assertEquals(0x10, id.getByte(0));
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exp[0] = 0x10;
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assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
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for (int p = 1; p < 32; p++) {
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id.setByte(p, 0x10 + p);
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assertEquals(0x10 + p, id.getByte(p));
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exp[p] = (byte) (0x10 + p);
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assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
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}
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for (int p = 0; p < 32; p++) {
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id.setByte(p, 0x80 + p);
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assertEquals(0x80 + p, id.getByte(p));
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exp[p] = (byte) (0x80 + p);
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assertEquals(LongObjectId.fromRaw(exp).name(), id.name());
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}
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}
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@Test
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public void testZeroId() {
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AnyLongObjectId zero = new LongObjectId(0L, 0L, 0L, 0L);
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assertEquals(zero, LongObjectId.zeroId());
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assertEquals(
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"0000000000000000000000000000000000000000000000000000000000000000",
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LongObjectId.zeroId().name());
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}
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@Test
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public void testEquals() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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assertTrue("id should equal itself", id1.equals(id1));
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AnyLongObjectId id2 = new LongObjectId(id1);
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assertEquals("objects should be equals", id1, id2);
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id2 = LongObjectIdTestUtils.hash("other");
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assertNotEquals("objects should be not equal", id1, id2);
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}
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@Test
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public void testCopyRawBytes() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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AnyLongObjectId id2 = new LongObjectId(id1);
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byte[] buf = new byte[64];
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id1.copyRawTo(buf, 0);
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id2.copyRawTo(buf, 32);
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assertTrue("objects should be equals",
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LongObjectId.equals(buf, 0, buf, 32));
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}
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@Test
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public void testCopyRawLongs() {
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long[] a = new long[4];
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a[0] = 1L;
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a[1] = 2L;
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a[2] = 3L;
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a[3] = 4L;
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AnyLongObjectId id1 = new LongObjectId(a[0], a[1], a[2], a[3]);
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AnyLongObjectId id2 = LongObjectId.fromRaw(a);
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assertEquals("objects should be equals", id1, id2);
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}
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@Test
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public void testCopyFromStringInvalid() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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try {
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LongObjectId.fromString(id1.name() + "01234");
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fail("expected InvalidLongObjectIdException");
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} catch (InvalidLongObjectIdException e) {
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assertEquals("Invalid id: " + id1.name() + "01234",
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e.getMessage());
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}
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}
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@Test
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public void testCopyFromStringByte() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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byte[] buf = new byte[64];
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Charset cs = US_ASCII;
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cs.encode(id1.name()).get(buf);
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AnyLongObjectId id2 = LongObjectId.fromString(buf, 0);
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assertEquals("objects should be equals", id1, id2);
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}
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@Test
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public void testHashFile() throws IOException {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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Path f = tmp.resolve("test");
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JGitTestUtil.write(f.toFile(), "test");
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AnyLongObjectId id2 = LongObjectIdTestUtils.hash(f);
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assertEquals("objects should be equals", id1, id2);
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}
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@Test
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public void testCompareTo() {
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AnyLongObjectId id1 = LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
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assertEquals(0, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
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AnyLongObjectId self = id1;
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assertEquals(0, id1.compareTo(self));
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assertEquals(-1, id1.compareTo(LongObjectId.fromString(
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"1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
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assertEquals(-1, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef1123456789abcdef0123456789abcdef0123456789abcdef")));
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assertEquals(-1, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef1123456789abcdef0123456789abcdef")));
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assertEquals(-1, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef0123456789abcdef1123456789abcdef")));
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assertEquals(1, id1.compareTo(LongObjectId.fromString(
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"0023456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")));
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assertEquals(1, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef0023456789abcdef0123456789abcdef0123456789abcdef")));
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assertEquals(1, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef0023456789abcdef0123456789abcdef")));
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assertEquals(1, id1.compareTo(LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef0123456789abcdef0023456789abcdef")));
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}
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@Test
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public void testCompareToByte() {
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AnyLongObjectId id1 = LongObjectId.fromString(
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"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
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byte[] buf = new byte[32];
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id1.copyRawTo(buf, 0);
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assertEquals(0, id1.compareTo(buf, 0));
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LongObjectId
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.fromString(
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"1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
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.copyRawTo(buf, 0);
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assertEquals(-1, id1.compareTo(buf, 0));
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LongObjectId
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.fromString(
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"0023456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
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.copyRawTo(buf, 0);
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assertEquals(1, id1.compareTo(buf, 0));
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}
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@Test
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public void testCompareToLong() {
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AnyLongObjectId id1 = new LongObjectId(1L, 2L, 3L, 4L);
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long[] buf = new long[4];
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id1.copyRawTo(buf, 0);
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assertEquals(0, id1.compareTo(buf, 0));
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new LongObjectId(2L, 2L, 3L, 4L).copyRawTo(buf, 0);
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assertEquals(-1, id1.compareTo(buf, 0));
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new LongObjectId(0L, 2L, 3L, 4L).copyRawTo(buf, 0);
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assertEquals(1, id1.compareTo(buf, 0));
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}
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@Test
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public void testCopyToByte() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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byte[] buf = new byte[64];
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id1.copyTo(buf, 0);
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assertEquals(id1, LongObjectId.fromString(buf, 0));
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}
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@Test
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public void testCopyRawToByteBuffer() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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ByteBuffer buf = ByteBuffer.allocate(32);
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id1.copyRawTo(buf);
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assertEquals(id1, LongObjectId.fromRaw(buf.array(), 0));
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}
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@Test
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public void testCopyToByteBuffer() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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ByteBuffer buf = ByteBuffer.allocate(64);
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id1.copyTo(buf);
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assertEquals(id1, LongObjectId.fromString(buf.array(), 0));
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}
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@Test
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public void testCopyRawToOutputStream() throws IOException {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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ByteArrayOutputStream os = new ByteArrayOutputStream(32);
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id1.copyRawTo(os);
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assertEquals(id1, LongObjectId.fromRaw(os.toByteArray(), 0));
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}
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@Test
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public void testCopyToOutputStream() throws IOException {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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ByteArrayOutputStream os = new ByteArrayOutputStream(64);
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id1.copyTo(os);
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assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
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}
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@Test
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public void testCopyToWriter() throws IOException {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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ByteArrayOutputStream os = new ByteArrayOutputStream(64);
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try (OutputStreamWriter w = new OutputStreamWriter(os,
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UTF_8)) {
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id1.copyTo(w);
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}
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assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
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}
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@Test
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public void testCopyToWriterWithBuf() throws IOException {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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ByteArrayOutputStream os = new ByteArrayOutputStream(64);
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try (OutputStreamWriter w = new OutputStreamWriter(os,
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UTF_8)) {
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char[] buf = new char[64];
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id1.copyTo(buf, w);
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}
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assertEquals(id1, LongObjectId.fromString(os.toByteArray(), 0));
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}
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@Test
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public void testCopyToStringBuilder() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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StringBuilder sb = new StringBuilder();
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char[] buf = new char[64];
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id1.copyTo(buf, sb);
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assertEquals(id1, LongObjectId.fromString(sb.toString()));
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}
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@Test
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public void testCopy() {
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AnyLongObjectId id1 = LongObjectIdTestUtils.hash("test");
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assertEquals(id1.copy(), id1);
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MutableLongObjectId id2 = new MutableLongObjectId();
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id2.fromObjectId(id1);
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assertEquals(id1, id2.copy());
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}
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}
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