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/*
* Copyright (C) 2009, Google Inc.
* Copyright (C) 2008, Jonas Fonseca <fonseca@diku.dk>
* Copyright (C) 2006-2008, Shawn O. Pearce <spearce@spearce.org> and others
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0 which is available at
* https://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package org.eclipse.jgit.lib;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.Locale;
import org.eclipse.jgit.errors.InvalidObjectIdException;
import org.junit.Test;
public class ObjectIdTest {
@Test
public void test001_toString() {
final String x = "def4c620bc3713bb1bb26b808ec9312548e73946";
final ObjectId oid = ObjectId.fromString(x);
assertEquals(x, oid.name());
}
@Test
public void test002_toString() {
final String x = "ff00eedd003713bb1bb26b808ec9312548e73946";
final ObjectId oid = ObjectId.fromString(x);
assertEquals(x, oid.name());
}
@Test
public void test003_equals() {
final String x = "def4c620bc3713bb1bb26b808ec9312548e73946";
final ObjectId a = ObjectId.fromString(x);
final ObjectId b = ObjectId.fromString(x);
assertEquals(a.hashCode(), b.hashCode());
assertEquals("a and b are same", b, a);
}
@Test
public void test004_isId() {
assertTrue("valid id", ObjectId
.isId("def4c620bc3713bb1bb26b808ec9312548e73946"));
}
@Test
public void test005_notIsId() {
assertFalse("bob is not an id", ObjectId.isId("bob"));
}
@Test
public void test006_notIsId() {
assertFalse("39 digits is not an id", ObjectId
.isId("def4c620bc3713bb1bb26b808ec9312548e7394"));
}
@Test
public void test007_isId() {
assertTrue("uppercase is accepted", ObjectId
.isId("Def4c620bc3713bb1bb26b808ec9312548e73946"));
}
@Test
public void test008_notIsId() {
assertFalse("g is not a valid hex digit", ObjectId
.isId("gef4c620bc3713bb1bb26b808ec9312548e73946"));
}
@Test
public void test009_toString() {
final String x = "ff00eedd003713bb1bb26b808ec9312548e73946";
final ObjectId oid = ObjectId.fromString(x);
assertEquals(x, ObjectId.toString(oid));
}
@Test
public void test010_toString() {
final String x = "0000000000000000000000000000000000000000";
assertEquals(x, ObjectId.toString(null));
}
@Test
public void test011_toString() {
final String x = "0123456789ABCDEFabcdef1234567890abcdefAB";
final ObjectId oid = ObjectId.fromString(x);
assertEquals(x.toLowerCase(Locale.ROOT), oid.name());
}
@Test(expected = InvalidObjectIdException.class)
public void testFromString_short() {
ObjectId.fromString("cafe1234");
}
@Test(expected = InvalidObjectIdException.class)
public void testFromString_nonHex() {
ObjectId.fromString("0123456789abcdefghij0123456789abcdefghij");
}
@Test(expected = InvalidObjectIdException.class)
public void testFromString_shortNonHex() {
ObjectId.fromString("6789ghij");
}
@Test
public void testGetByte() {
byte[] raw = new byte[20];
for (int i = 0; i < 20; i++)
raw[i] = (byte) (0xa0 + i);
ObjectId id = ObjectId.fromRaw(raw);
assertEquals(raw[0] & 0xff, id.getFirstByte());
assertEquals(raw[0] & 0xff, id.getByte(0));
assertEquals(raw[1] & 0xff, id.getByte(1));
for (int i = 2; i < 20; i++)
assertEquals("index " + i, raw[i] & 0xff, id.getByte(i));
}
@Test
public void testSetByte() {
byte[] exp = new byte[20];
for (int i = 0; i < 20; i++)
exp[i] = (byte) (0xa0 + i);
MutableObjectId id = new MutableObjectId();
id.fromRaw(exp);
assertEquals(ObjectId.fromRaw(exp).name(), id.name());
id.setByte(0, 0x10);
assertEquals(0x10, id.getByte(0));
exp[0] = 0x10;
assertEquals(ObjectId.fromRaw(exp).name(), id.name());
for (int p = 1; p < 20; p++) {
id.setByte(p, 0x10 + p);
assertEquals(0x10 + p, id.getByte(p));
exp[p] = (byte) (0x10 + p);
assertEquals(ObjectId.fromRaw(exp).name(), id.name());
}
for (int p = 0; p < 20; p++) {
id.setByte(p, 0x80 + p);
assertEquals(0x80 + p, id.getByte(p));
exp[p] = (byte) (0x80 + p);
assertEquals(ObjectId.fromRaw(exp).name(), id.name());
}
}
}
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