/* * Copyright (c) 2016, 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 org.graalvm.compiler.nodes.test; import org.graalvm.compiler.nodes.calc.ReinterpretNode; /** * Unit tests for the {@link ReinterpretNode#inferStamp} method. */ public class ReinterpretStampTest { protected static final long[] interestingLongs = { // @formatter:off Long.MIN_VALUE, // -0.0d Long.MIN_VALUE + 1, // largest negative number Double.doubleToLongBits(-42.0), // random negative number Double.doubleToLongBits(Double.NEGATIVE_INFINITY) - 1, // smallest negative number Double.doubleToLongBits(Double.NEGATIVE_INFINITY), // -Inf Double.doubleToLongBits(Double.NEGATIVE_INFINITY) + 1, // smallest negative NaN -42, // random negative NaN -1, // largest negative NaN 0, // 0.0d 1, // smallest positive number Double.doubleToLongBits(42.0), // random positive number Double.doubleToLongBits(Double.POSITIVE_INFINITY) - 1, // largest positive number Double.doubleToLongBits(Double.POSITIVE_INFINITY), // +Inf Double.doubleToLongBits(Double.POSITIVE_INFINITY) + 1, // smallest positive NaN Long.MAX_VALUE - 42, // random positive NaN Long.MAX_VALUE, // largest positive NaN // @formatter:on }; protected static final int[] interestingInts = { // @formatter:off Integer.MIN_VALUE, // -0.0f Integer.MIN_VALUE + 1, // largest negative number Float.floatToIntBits(-42.0f), // random negative number Float.floatToIntBits(Float.NEGATIVE_INFINITY) - 1, // smallest negative number Float.floatToIntBits(Float.NEGATIVE_INFINITY), // -Inf Float.floatToIntBits(Float.NEGATIVE_INFINITY) + 1, // smallest negative NaN -42, // random negative NaN -1, // largest negative NaN 0, // 0.0f 1, // smallest positive number Float.floatToIntBits(42.0f), // random positive number Float.floatToIntBits(Float.POSITIVE_INFINITY) - 1, // largest positive number Float.floatToIntBits(Float.POSITIVE_INFINITY), // +Inf Float.floatToIntBits(Float.POSITIVE_INFINITY) + 1, // smallest positive NaN Integer.MAX_VALUE - 42, // random positive NaN Integer.MAX_VALUE, // largest positive NaN // @formatter:on }; }