jdk8-mips64-public/langtools: test/tools/javac/lambda/LambdaTestStrictFPFlag.java@eb284abd64fe

8046060: Different results of floating point multiplication for lambda code block
Summary: propogate strictfp into lambda body
Reviewed-by: vromero, jlahoda

     1 /*

     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /*

    25  * @test

    26  * @bug 8046060

    27  * @summary Different results of floating point multiplication for lambda code block

    28  */

    30 import java.io.*;

    31 import java.net.URL;

    32 import com.sun.tools.classfile.*;

    33 import static com.sun.tools.classfile.AccessFlags.ACC_STRICT;

    35 public class LambdaTestStrictFPFlag {

    36     public static void main(String[] args) throws Exception {

    37         new LambdaTestStrictFPFlag().run();

    38     }

    40     void run() throws Exception {

    41         ClassFile cf = getClassFile("LambdaTestStrictFPFlag$Test.class");

    42         ConstantPool cp = cf.constant_pool;

    43         boolean found = false;

    44         for (Method meth: cf.methods) {

    45             if (meth.getName(cp).startsWith("lambda$")) {

    46                 if ((meth.access_flags.flags & ACC_STRICT) == 0) {

    47                     throw new Exception("strict flag missing from lambda");

    48                 }

    49                 found = true;

    50             }

    51         }

    52         if (!found) {

    53             throw new Exception("did not find lambda method");

    54         }

    55     }

    57     ClassFile getClassFile(String name) throws IOException, ConstantPoolException {

    58         URL url = getClass().getResource(name);

    59         InputStream in = url.openStream();

    60         try {

    61             return ClassFile.read(in);

    62         } finally {

    63             in.close();

    64         }

    65     }

    67     class Test {

    68         strictfp void test() {

    69             Face itf = () -> { };

    70         }

    71     }

    73     interface Face {

    74         void m();

    75     }

    76 }

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

test/tools/javac/lambda/LambdaTestStrictFPFlag.java@eb284abd64fe

test/tools/javac/lambda/LambdaTestStrictFPFlag.java