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/LambdaTestStrictFPMethod.java	Mon Jun 23 13:14:32 2014 -0700
     1.3 @@ -0,0 +1,65 @@
     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 +public class LambdaTestStrictFPMethod {
    1.34 +
    1.35 +    public static void main(String args[]) {
    1.36 +        new LambdaTestStrictFPMethod().test();
    1.37 +    }
    1.38 +
    1.39 +    strictfp void test() {
    1.40 +        double result = eval(() -> {
    1.41 +            double x = Double.longBitsToDouble(0x1e7ee00000000000L);
    1.42 +            double y = Double.longBitsToDouble(0x2180101010101010L);
    1.43 +
    1.44 +            return x * y;
    1.45 +        });
    1.46 +        {
    1.47 +            double x = Double.longBitsToDouble(0x1e7ee00000000000L);
    1.48 +            double y = Double.longBitsToDouble(0x2180101010101010L);
    1.49 +
    1.50 +            double z = x * y;
    1.51 +            check(z, result, "method");
    1.52 +        }
    1.53 +    }
    1.54 +
    1.55 +    strictfp void check(double expected, double got, String where) {
    1.56 +        if (got != expected) {
    1.57 +            throw new AssertionError(where + ": Non-strictfp " + got + " != " + expected);
    1.58 +        }
    1.59 +    }
    1.60 +
    1.61 +    static double eval(Face arg) {
    1.62 +        return arg.m();
    1.63 +    }
    1.64 +
    1.65 +    interface Face {
    1.66 +        double m();
    1.67 +    }
    1.68 +}