diff options
Diffstat (limited to 'org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java')
| -rw-r--r-- | org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java | 127 |
1 files changed, 85 insertions, 42 deletions
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java index 06cb11b37a..bbc370cfab 100644 --- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java +++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java @@ -1,44 +1,11 @@ /* - * Copyright (C) 2008, Google Inc. - * and other copyright owners as documented in the project's IP log. + * Copyright (C) 2008, 2015 Google Inc. and others * - * 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 + * 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. * - * 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. + * SPDX-License-Identifier: BSD-3-Clause */ package org.eclipse.jgit.util; @@ -61,6 +28,17 @@ public class NBTest { } @Test + public void testCompareUInt64() { + assertTrue(NB.compareUInt64(0, 0) == 0); + assertTrue(NB.compareUInt64(1, 0) > 0); + assertTrue(NB.compareUInt64(0, 1) < 0); + assertTrue(NB.compareUInt64(-1, 0) > 0); + assertTrue(NB.compareUInt64(0, -1) < 0); + assertTrue(NB.compareUInt64(-1, 1) > 0); + assertTrue(NB.compareUInt64(1, -1) < 0); + } + + @Test public void testDecodeUInt16() { assertEquals(0, NB.decodeUInt16(b(0, 0), 0)); assertEquals(0, NB.decodeUInt16(padb(3, 0, 0), 3)); @@ -79,6 +57,24 @@ public class NBTest { } @Test + public void testDecodeUInt24() { + assertEquals(0, NB.decodeUInt24(b(0, 0, 0), 0)); + assertEquals(0, NB.decodeUInt24(padb(3, 0, 0, 0), 3)); + + assertEquals(3, NB.decodeUInt24(b(0, 0, 3), 0)); + assertEquals(3, NB.decodeUInt24(padb(3, 0, 0, 3), 3)); + + assertEquals(0xcede03, NB.decodeUInt24(b(0xce, 0xde, 3), 0)); + assertEquals(0xbade03, NB.decodeUInt24(padb(3, 0xba, 0xde, 3), 3)); + + assertEquals(0x03bade, NB.decodeUInt24(b(3, 0xba, 0xde), 0)); + assertEquals(0x03bade, NB.decodeUInt24(padb(3, 3, 0xba, 0xde), 3)); + + assertEquals(0xffffff, NB.decodeUInt24(b(0xff, 0xff, 0xff), 0)); + assertEquals(0xffffff, NB.decodeUInt24(padb(3, 0xff, 0xff, 0xff), 3)); + } + + @Test public void testDecodeInt32() { assertEquals(0, NB.decodeInt32(b(0, 0, 0, 0), 0)); assertEquals(0, NB.decodeInt32(padb(3, 0, 0, 0, 0), 3)); @@ -187,6 +183,39 @@ public class NBTest { } @Test + public void testEncodeInt24() { + byte[] out = new byte[16]; + + prepareOutput(out); + NB.encodeInt24(out, 0, 0); + assertOutput(b(0, 0, 0), out, 0); + + prepareOutput(out); + NB.encodeInt24(out, 3, 0); + assertOutput(b(0, 0, 0), out, 3); + + prepareOutput(out); + NB.encodeInt24(out, 0, 3); + assertOutput(b(0, 0, 3), out, 0); + + prepareOutput(out); + NB.encodeInt24(out, 3, 3); + assertOutput(b(0, 0, 3), out, 3); + + prepareOutput(out); + NB.encodeInt24(out, 0, 0xc0deac); + assertOutput(b(0xc0, 0xde, 0xac), out, 0); + + prepareOutput(out); + NB.encodeInt24(out, 3, 0xbadeac); + assertOutput(b(0xba, 0xde, 0xac), out, 3); + + prepareOutput(out); + NB.encodeInt24(out, 3, -1); + assertOutput(b(0xff, 0xff, 0xff), out, 3); + } + + @Test public void testEncodeInt32() { final byte[] out = new byte[16]; @@ -276,7 +305,7 @@ public class NBTest { assertOutput(b(0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff), out, 3); } - private static void prepareOutput(final byte[] buf) { + private static void prepareOutput(byte[] buf) { for (int i = 0; i < buf.length; i++) buf[i] = (byte) (0x77 + i); } @@ -291,11 +320,11 @@ public class NBTest { assertEquals((byte) (0x77 + i), buf[i]); } - private static byte[] b(final int a, final int b) { + private static byte[] b(int a, int b) { return new byte[] { (byte) a, (byte) b }; } - private static byte[] padb(final int len, final int a, final int b) { + private static byte[] padb(int len, int a, int b) { final byte[] r = new byte[len + 2]; for (int i = 0; i < len; i++) r[i] = (byte) 0xaf; @@ -304,10 +333,24 @@ public class NBTest { return r; } - private static byte[] b(final int a, final int b, final int c, final int d) { + private static byte[] b(int a, int b, int c) { + return new byte[] { (byte) a, (byte) b, (byte) c }; + } + + private static byte[] b(int a, int b, int c, int d) { return new byte[] { (byte) a, (byte) b, (byte) c, (byte) d }; } + private static byte[] padb(int len, int a, int b, int c) { + final byte[] r = new byte[len + 4]; + for (int i = 0; i < len; i++) + r[i] = (byte) 0xaf; + r[len] = (byte) a; + r[len + 1] = (byte) b; + r[len + 2] = (byte) c; + return r; + } + private static byte[] padb(final int len, final int a, final int b, final int c, final int d) { final byte[] r = new byte[len + 4]; |