Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.test/src/com/oracle/truffle/api/test/nodes/serial/VariableLengthIntBufferTest.java @ 15437:a3f5b484b6b5
Add implicitLoad/StoreConvert functions to HotSpotLoweringProvider interface.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 29 Apr 2014 17:16:48 +0200 |
parents | 96c1d057a5ed |
children |
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/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.api.test.nodes.serial; import java.nio.*; import org.junit.*; import com.oracle.truffle.api.nodes.serial.*; public class VariableLengthIntBufferTest { private VariableLengthIntBuffer buf; @Before public void setUp() { buf = new VariableLengthIntBuffer(ByteBuffer.allocate(512)); } @After public void tearDown() { buf = null; } @Test public void testPutNull() { buf.put(VariableLengthIntBuffer.NULL); assertBytes(0xFF); } @Test public void testPutByteCornerCase0() { buf.put(0x00); // 0 assertBytes(0x00); } @Test public void testPutByteCornerCase1() { buf.put(0x7F); // 127 assertBytes(0x7F); } @Test public void testPutByteCornerCase2() { buf.put(0x3FFF_FFFF); assertBytes(0xBF, 0xFF, 0xFF, 0xFF); } @Test(expected = IllegalArgumentException.class) public void testPutByteCornerCase3() { buf.put(0x4000_0000); // out of encodeable } @Test public void testGetNull() { create(0xFF); assertGet(VariableLengthIntBuffer.NULL); } @Test public void testGetCornerCase0() { create(0x00); assertGet(0x00); } @Test public void testGetCornerCase1() { create(0x7F); assertGet(0x7F); } @Test public void testGetCornerCase2() { create(0xBF, 0xFF, 0xFF, 0xFF); assertGet(0x3FFF_FFFF); } @Test(expected = AssertionError.class) public void testGetCornerCase3() { create(0xFF, 0xFF, 0xFF, 0xFF); assertGet(0x0); } private void create(int... bytes) { byte[] convBytes = new byte[bytes.length]; for (int i = 0; i < bytes.length; i++) { convBytes[i] = (byte) bytes[i]; } buf = new VariableLengthIntBuffer(convBytes); } private void assertGet(int expected) { Assert.assertEquals(expected, buf.get()); } private void assertBytes(int... expectedBytes) { byte[] actualBytes = buf.getBytes(); Assert.assertEquals(expectedBytes.length, actualBytes.length); for (int i = 0; i < expectedBytes.length; i++) { Assert.assertTrue(actualBytes[i] == (byte) expectedBytes[i]); } } }