/*
* Copyright (C) 2015, Matthias Sohn <matthias.sohn@sap.com>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* - Neither the name of the Eclipse Foundation, Inc. nor the
* names of its contributors may be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.eclipse.jgit.lfs.lib;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.eclipse.jgit.lfs.test.LongObjectIdTestUtils;
import org.junit.Test;
/*
* Ported to SHA-256 from org.eclipse.jgit.lib.AbbreviatedObjectIdTest
*/
public class AbbreviatedLongObjectIdTest {
@Test
public void testEmpty_FromByteArray() {
final AbbreviatedLongObjectId i;
i = AbbreviatedLongObjectId.fromString(new byte[] {}, 0, 0);
assertNotNull(i);
assertEquals(0, i.length());
assertFalse(i.isComplete());
assertEquals("", i.name());
}
@Test
public void testEmpty_FromString() {
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId
.fromString("");
assertNotNull(i);
assertEquals(0, i.length());
assertFalse(i.isComplete());
assertEquals("", i.name());
}
@Test
public void testFull_FromByteArray() {
final String s = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final byte[] b = org.eclipse.jgit.lib.Constants.encodeASCII(s);
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(b,
0, b.length);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertTrue(i.isComplete());
assertEquals(s, i.name());
final LongObjectId f = i.toLongObjectId();
assertNotNull(f);
assertEquals(LongObjectId.fromString(s), f);
assertEquals(f.hashCode(), i.hashCode());
}
@Test
public void testFull_FromString() {
final String s = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertTrue(i.isComplete());
assertEquals(s, i.name());
final LongObjectId f = i.toLongObjectId();
assertNotNull(f);
assertEquals(LongObjectId.fromString(s), f);
assertEquals(f.hashCode(), i.hashCode());
}
@Test
public void test1_FromString() {
final String s = "2";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test2_FromString() {
final String s = "27";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test3_FromString() {
final String s = "27e";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test4_FromString() {
final String s = "27e1";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test5_FromString() {
final String s = "27e15";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test6_FromString() {
final String s = "27e15b";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test7_FromString() {
final String s = "27e15b7";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test8_FromString() {
final String s = "27e15b72";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test9_FromString() {
final String s = "27e15b729";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test15_FromString() {
final String s = "27e15b72937fc8f";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test16_FromString() {
final String s = "27e15b72937fc8f5";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test17_FromString() {
final String s = "27e15b72937fc8f55";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void test33_FromString() {
final String s = "27e15b72937fc8f558da24ac3d50ec203";
final AbbreviatedLongObjectId i = AbbreviatedLongObjectId.fromString(s);
assertNotNull(i);
assertEquals(s.length(), i.length());
assertFalse(i.isComplete());
assertEquals(s, i.name());
assertNull(i.toLongObjectId());
}
@Test
public void testEquals_Short() {
final String s = "27e15b72";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId.fromString(s);
final AbbreviatedLongObjectId b = AbbreviatedLongObjectId.fromString(s);
assertNotSame(a, b);
assertTrue(a.hashCode() == b.hashCode());
assertEquals(b, a);
assertEquals(a, b);
}
@Test
public void testEquals_Full() {
final String s = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId.fromString(s);
final AbbreviatedLongObjectId b = AbbreviatedLongObjectId.fromString(s);
assertNotSame(a, b);
assertTrue(a.hashCode() == b.hashCode());
assertEquals(b, a);
assertEquals(a, b);
}
@Test
public void testNotEquals_SameLength() {
final String sa = "27e15b72";
final String sb = "27e15b7f";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final AbbreviatedLongObjectId b = AbbreviatedLongObjectId
.fromString(sb);
assertFalse(a.equals(b));
assertFalse(b.equals(a));
}
@Test
public void testNotEquals_DiffLength() {
final String sa = "27e15b72abcd";
final String sb = "27e15b72";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final AbbreviatedLongObjectId b = AbbreviatedLongObjectId
.fromString(sb);
assertFalse(a.equals(b));
assertFalse(b.equals(a));
}
@Test
public void testPrefixCompare_Full() {
final String s1 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(s1);
final LongObjectId i1 = LongObjectId.fromString(s1);
assertEquals(0, a.prefixCompare(i1));
assertTrue(i1.startsWith(a));
final String s2 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b11";
final LongObjectId i2 = LongObjectId.fromString(s2);
assertTrue(a.prefixCompare(i2) < 0);
assertFalse(i2.startsWith(a));
final String s3 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b0f";
final LongObjectId i3 = LongObjectId.fromString(s3);
assertTrue(a.prefixCompare(i3) > 0);
assertFalse(i3.startsWith(a));
}
@Test
public void testPrefixCompare_1() {
final String sa = "2";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final String s1 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i1 = LongObjectId.fromString(s1);
assertEquals(0, a.prefixCompare(i1));
assertTrue(i1.startsWith(a));
final String s2 = "37e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i2 = LongObjectId.fromString(s2);
assertTrue(a.prefixCompare(i2) < 0);
assertFalse(i2.startsWith(a));
final String s3 = "17e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i3 = LongObjectId.fromString(s3);
assertTrue(a.prefixCompare(i3) > 0);
assertFalse(i3.startsWith(a));
}
@Test
public void testPrefixCompare_15() {
final String sa = "27e15b72937fc8f";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final String s1 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i1 = LongObjectId.fromString(s1);
assertEquals(0, a.prefixCompare(i1));
assertTrue(i1.startsWith(a));
final String s2 = "27e15b72937fc90558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i2 = LongObjectId.fromString(s2);
assertTrue(a.prefixCompare(i2) < 0);
assertFalse(i2.startsWith(a));
final String s3 = "27e15b72937fc8e558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i3 = LongObjectId.fromString(s3);
assertTrue(a.prefixCompare(i3) > 0);
assertFalse(i3.startsWith(a));
}
@Test
public void testPrefixCompare_16() {
final String sa = "27e15b72937fc8f5";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final String s1 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i1 = LongObjectId.fromString(s1);
assertEquals(0, a.prefixCompare(i1));
assertTrue(i1.startsWith(a));
final String s2 = "27e15b72937fc8f658da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i2 = LongObjectId.fromString(s2);
assertTrue(a.prefixCompare(i2) < 0);
assertFalse(i2.startsWith(a));
final String s3 = "27e15b72937fc8f458da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i3 = LongObjectId.fromString(s3);
assertTrue(a.prefixCompare(i3) > 0);
assertFalse(i3.startsWith(a));
}
@Test
public void testPrefixCompare_17() {
final String sa = "27e15b72937fc8f55";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final String s1 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i1 = LongObjectId.fromString(s1);
assertEquals(0, a.prefixCompare(i1));
assertTrue(i1.startsWith(a));
final String s2 = "27e15b72937fc8f568da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i2 = LongObjectId.fromString(s2);
assertTrue(a.prefixCompare(i2) < 0);
assertFalse(i2.startsWith(a));
final String s3 = "27e15b72937fc8f548da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i3 = LongObjectId.fromString(s3);
assertTrue(a.prefixCompare(i3) > 0);
assertFalse(i3.startsWith(a));
}
@Test
public void testPrefixCompare_33() {
final String sa = "27e15b72937fc8f558da24ac3d50ec203";
final AbbreviatedLongObjectId a = AbbreviatedLongObjectId
.fromString(sa);
final String s1 = "27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i1 = LongObjectId.fromString(s1);
assertEquals(0, a.prefixCompare(i1));
assertTrue(i1.startsWith(a));
final String s2 = "27e15b72937fc8f558da24ac3d50ec20402a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i2 = LongObjectId.fromString(s2);
assertTrue(a.prefixCompare(i2) < 0);
assertFalse(i2.startsWith(a));
final String s3 = "27e15b72937fc8f558da24ac3d50ec20202a4cf21e33b87ae8e4ce90e89c4b10";
final LongObjectId i3 = LongObjectId.fromString(s3);
assertTrue(a.prefixCompare(i3) > 0);
assertFalse(i3.startsWith(a));
}
@Test
public void testIsId() {
// These are all too short.
assertFalse(AbbreviatedLongObjectId.isId(""));
assertFalse(AbbreviatedLongObjectId.isId("a"));
// These are too long.
assertFalse(AbbreviatedLongObjectId.isId(LongObjectId
.fromString(
"27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10")
.name() + "0"));
assertFalse(AbbreviatedLongObjectId.isId(LongObjectId
.fromString(
"27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10")
.name() + "c0ffee"));
// These contain non-hex characters.
assertFalse(AbbreviatedLongObjectId.isId("01notahexstring"));
// These should all work.
assertTrue(AbbreviatedLongObjectId.isId("ab"));
assertTrue(AbbreviatedLongObjectId.isId("abc"));
assertTrue(AbbreviatedLongObjectId.isId("abcd"));
assertTrue(AbbreviatedLongObjectId.isId("abcd0"));
assertTrue(AbbreviatedLongObjectId.isId("abcd09"));
assertTrue(AbbreviatedLongObjectId.isId(LongObjectId
.fromString(
"27e15b72937fc8f558da24ac3d50ec20302a4cf21e33b87ae8e4ce90e89c4b10")
.name()));
}
@Test
public void testAbbreviate() {
AnyLongObjectId id = LongObjectIdTestUtils.hash("test");
assertEquals(
"abbreviated id should match the id it was abbreviated from", 0,
id.abbreviate(10).prefixCompare(id));
}
@Test
public void testFromStringByteWrongLength() {
byte[] buf = new byte[65];
try {
AbbreviatedLongObjectId.fromString(buf, 0, 65);
fail("expected IllegalArgumentException for too long AbbreviatedLongObjectId");
} catch (IllegalArgumentException e) {
// expected
}
}
@Test
public void testFromStringWrongLength() {
AnyLongObjectId id = LongObjectIdTestUtils.hash("test");
try {
AbbreviatedLongObjectId.fromString(id.name() + "c0ffee");
fail("expected IllegalArgumentException for too long AbbreviatedLongObjectId");
} catch (IllegalArgumentException e) {
// expected
}
}
@Test
public void testFromLongObjectId() {
AnyLongObjectId id = LongObjectIdTestUtils.hash("test");
assertEquals(0,
AbbreviatedLongObjectId.fromLongObjectId(id).prefixCompare(id));
}
@Test
public void testPrefixCompareByte() {
AnyLongObjectId id = LongObjectId.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef");
byte[] buf = new byte[32];
id.copyRawTo(buf, 0);
AbbreviatedLongObjectId a = id.abbreviate(62);
assertEquals(0, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0023456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
.abbreviate(16);
assertEquals(-1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0123456789abcdef0023456789abcdef0123456789abcdef0123456789abcdef")
.abbreviate(32);
assertEquals(-1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0123456789abcdef0123456789abcdef0023456789abcdef0123456789abcdef")
.abbreviate(48);
assertEquals(-1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef0023456789abcdef")
.abbreviate(64);
assertEquals(-1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
.abbreviate(16);
assertEquals(1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0123456789abcdef1123456789abcdef0123456789abcdef0123456789abcdef")
.abbreviate(32);
assertEquals(1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0123456789abcdef0123456789abcdef1123456789abcdef0123456789abcdef")
.abbreviate(48);
assertEquals(1, a.prefixCompare(buf, 0));
a = LongObjectId
.fromString(
"0123456789abcdef0123456789abcdef0123456789abcdef1123456789abcdef")
.abbreviate(64);
assertEquals(1, a.prefixCompare(buf, 0));
}
@Test
public void testPrefixCompareLong() {
AnyLongObjectId id = new LongObjectId(1L, 2L, 3L, 4L);
long[] buf = new long[4];
id.copyRawTo(buf, 0);
AbbreviatedLongObjectId a = id.abbreviate(62);
assertEquals(0, a.prefixCompare(buf, 0));
a = new LongObjectId(0L, 2L, 3L, 4L).abbreviate(16);
assertEquals(-1, a.prefixCompare(buf, 0));
a = new LongObjectId(1L, 1L, 3L, 4L).abbreviate(32);
assertEquals(-1, a.prefixCompare(buf, 0));
a = new LongObjectId(1L, 2L, 2L, 4L).abbreviate(48);
assertEquals(-1, a.prefixCompare(buf, 0));
a = new LongObjectId(1L, 2L, 3L, 3L).abbreviate(64);
assertEquals(-1, a.prefixCompare(buf, 0));
a = new LongObjectId(2L, 2L, 3L, 4L).abbreviate(16);
assertEquals(1, a.prefixCompare(buf, 0));
a = new LongObjectId(1L, 3L, 3L, 4L).abbreviate(32);
assertEquals(1, a.prefixCompare(buf, 0));
a = new LongObjectId(1L, 2L, 4L, 4L).abbreviate(48);
assertEquals(1, a.prefixCompare(buf, 0));
a = new LongObjectId(1L, 2L, 3L, 5L).abbreviate(64);
assertEquals(1, a.prefixCompare(buf, 0));
}
@Test
public void testGetFirstByte() {
AnyLongObjectId id = LongObjectId.fromString(
"f423456789abcdef0123456789abcdef0123456789abcdef1123456789abcdef");
AbbreviatedLongObjectId a = id.abbreviate(10);
assertEquals(0xf4, a.getFirstByte());
assertEquals(id.getFirstByte(), a.getFirstByte());
}
@Test
public void testNotEquals() {
AbbreviatedLongObjectId a = new LongObjectId(1L, 2L, 3L, 4L)
.abbreviate(10);
assertFalse(a.equals("different"));
}
}