Move TestRng to our JUnit helper package

Other test suites may find this useful, especially when trying
to defeat the pack file compression with random data files.

Change-Id: Ic00a4ac626af7a1c94d18ee99305e295b267b1a3
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

2 files changed, 2 insertions, 67 deletions

diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java
index eb24172249..e1f802b3d1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java
@@ -48,6 +48,8 @@ import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.Arrays;
 
+import org.eclipse.jgit.junit.TestRng;
+
 import junit.framework.TestCase;
 
 public class TemporaryBufferTest extends TestCase {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TestRng.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TestRng.java
deleted file mode 100644
index 4110b55baa..0000000000
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TestRng.java
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) 2008, Google Inc.
- * 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.util;
-
-/** Toy RNG to ensure we get predictable numbers during unit tests. */
-public class TestRng {
-	private int next;
-
-	public TestRng(final String seed) {
-		next = 0;
-		for (int i = 0; i < seed.length(); i++)
-			next = next * 11 + seed.charAt(i);
-	}
-
-	public byte[] nextBytes(final int cnt) {
-		final byte[] r = new byte[cnt];
-		for (int i = 0; i < cnt; i++)
-			r[i] = (byte) nextInt();
-		return r;
-	}
-
-	public int nextInt() {
-		next = next * 1103515245 + 12345;
-		return next;
-	}
-}