| /* |
| * 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 |
| }; |
| } |