80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
/*
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* Copyright (c) 2014, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8046060
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* @summary Different results of floating point multiplication for lambda code block
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* @modules java.base/jdk.internal.classfile
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* java.base/jdk.internal.classfile.attribute
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* java.base/jdk.internal.classfile.constantpool
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* java.base/jdk.internal.classfile.instruction
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* java.base/jdk.internal.classfile.components
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* @compile -source 16 -target 16 LambdaTestStrictFPFlag.java
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* @run main LambdaTestStrictFPFlag
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*/
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import java.io.*;
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import java.net.URL;
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import jdk.internal.classfile.*;
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public class LambdaTestStrictFPFlag {
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public static void main(String[] args) throws Exception {
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new LambdaTestStrictFPFlag().run();
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}
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void run() throws Exception {
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ClassModel cm = getClassFile("LambdaTestStrictFPFlag$Test.class");
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boolean found = false;
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for (MethodModel meth: cm.methods()) {
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if (meth.methodName().stringValue().startsWith("lambda$")) {
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if ((meth.flags().flagsMask() & Classfile.ACC_STRICT) == 0){
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throw new Exception("strict flag missing from lambda");
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}
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found = true;
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}
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}
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if (!found) {
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throw new Exception("did not find lambda method");
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}
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}
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ClassModel getClassFile(String name) throws IOException {
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URL url = getClass().getResource(name);
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assert url != null;
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try (InputStream in = url.openStream()) {
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return Classfile.of().parse(in.readAllBytes());
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}
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}
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class Test {
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strictfp void test() {
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Face itf = () -> { };
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}
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}
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interface Face {
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void m();
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}
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}
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