Mercurial > jdk8-mips64-public > langtools / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/lambda/LambdaTestStrictFPFlag.java	Mon Jun 23 13:14:32 2014 -0700
     1.3 @@ -0,0 +1,76 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/*
    1.28 + * @test
    1.29 + * @bug 8046060
    1.30 + * @summary Different results of floating point multiplication for lambda code block
    1.31 + */
    1.32 +
    1.33 +import java.io.*;
    1.34 +import java.net.URL;
    1.35 +import com.sun.tools.classfile.*;
    1.36 +import static com.sun.tools.classfile.AccessFlags.ACC_STRICT;
    1.37 +
    1.38 +public class LambdaTestStrictFPFlag {
    1.39 +    public static void main(String[] args) throws Exception {
    1.40 +        new LambdaTestStrictFPFlag().run();
    1.41 +    }
    1.42 +
    1.43 +    void run() throws Exception {
    1.44 +        ClassFile cf = getClassFile("LambdaTestStrictFPFlag$Test.class");
    1.45 +        ConstantPool cp = cf.constant_pool;
    1.46 +        boolean found = false;
    1.47 +        for (Method meth: cf.methods) {
    1.48 +            if (meth.getName(cp).startsWith("lambda$")) {
    1.49 +                if ((meth.access_flags.flags & ACC_STRICT) == 0) {
    1.50 +                    throw new Exception("strict flag missing from lambda");
    1.51 +                }
    1.52 +                found = true;
    1.53 +            }
    1.54 +        }
    1.55 +        if (!found) {
    1.56 +            throw new Exception("did not find lambda method");
    1.57 +        }
    1.58 +    }
    1.59 +
    1.60 +    ClassFile getClassFile(String name) throws IOException, ConstantPoolException {
    1.61 +        URL url = getClass().getResource(name);
    1.62 +        InputStream in = url.openStream();
    1.63 +        try {
    1.64 +            return ClassFile.read(in);
    1.65 +        } finally {
    1.66 +            in.close();
    1.67 +        }
    1.68 +    }
    1.69 +
    1.70 +    class Test {
    1.71 +        strictfp void test() {
    1.72 +            Face itf = () -> { };
    1.73 +        }
    1.74 +    }
    1.75 +
    1.76 +    interface Face {
    1.77 +        void m();
    1.78 +    }
    1.79 +}