jdk8-mips64-public/nashorn: test/script/basic/JDK-8144020.js@1df40fe54cd6

     1 /*

     2  * Copyright (c) 2015, 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  * JDK-8144020: Remove long as an internal numeric type

    26  *

    27  * @test

    28  * @run

    29  */

    31 var LongProvider = Java.type("jdk.nashorn.test.models.LongProvider");

    32 var Long = Java.type("java.lang.Long");

    33 var LongClass = Long.class;

    34 var Integer = Java.type("java.lang.Integer");

    35 var Double = Java.type("java.lang.Double");

    37 var INT      = "3";

    38 var DOUBLE   = "5.5";

    39 var MAX_LONG = "9223372036854775807";

    40 var MIN_LONG = "-9223372036854775808";

    41 var BIG_LONG = "281474976710655"; // can be represented as double

    42 var NEG_LONG = "-281474976710656"; // can be represented as double

    43 var SMALL_LONG = "13";

    45 // Make sure we can pass longs from and to Java without losing precision

    46 LongProvider.checkLong(LongProvider.getLong(MAX_LONG), MAX_LONG);

    47 LongProvider.checkLong(LongProvider.getLong(MIN_LONG), MIN_LONG);

    48 LongProvider.checkLong(LongProvider.getLong(BIG_LONG), BIG_LONG);

    49 LongProvider.checkLong(LongProvider.getLong(NEG_LONG), NEG_LONG);

    50 LongProvider.checkLong(LongProvider.getLong(SMALL_LONG), SMALL_LONG);

    52 // a polymorphic function that can return various number types

    53 function getNumber(str) {

    54     switch (str) {

    55         case INT:    return +INT;

    56         case DOUBLE: return +DOUBLE;

    57         default:     return Long.parseLong(str);

    58     }

    59 }

    61 function compareValue(n, str) {

    62     switch (str) {

    63         case INT:    return Integer.compare(n, Integer.parseInt(str) == 0);

    64         case DOUBLE: return Double.compare(n, Double.parseDouble(str) == 0);

    65         default:     return Long.compare(n, Long.parseLong(str) == 0);

    66     }

    67 }

    69 // Call a a function with a sequence of values. The purpose of this is that we can handle

    70 // longs without losing precision in the presence of optimistic deoptimization, cached callsites, etc.

    71 function testSequence(fn, values) {

    72     for (var i in values) {

    73         fn(values[i]);

    74     }

    75 }

    77 // We need to use "fresh" (unlinked and un-deoptimized) functions for each of the test runs.

    78 testSequence(function(str) {

    79     var n = getNumber(str);

    80     Assert.assertTrue(compareValue(n, str));

    81 }, [INT, BIG_LONG, MIN_LONG]);

    83 testSequence(function(str) {

    84     var n = getNumber(str);

    85     Assert.assertTrue(compareValue(n, str));

    86 }, [INT, MAX_LONG]);

    88 testSequence(function(str) {

    89     var n = getNumber(str);

    90     Assert.assertTrue(compareValue(n, str));

    91 }, [INT, DOUBLE, NEG_LONG]);

    93 testSequence(function(str) {

    94     var n = getNumber(str);

    95     Assert.assertTrue(compareValue(n, str));

    96 }, [DOUBLE, MAX_LONG]);

    98 testSequence(function(str) {

    99     var n = getNumber(str);

   100     Assert.assertTrue(compareValue(n, str));

   101 }, [DOUBLE, SMALL_LONG, MAX_LONG]);

   103 testSequence(function(str) {

   104     var n = getNumber(str);

   105     Assert.assertTrue(compareValue(n, str));

   106 }, [INT, DOUBLE, NEG_LONG, MAX_LONG]);

   108 testSequence(function(str) {

   109     var n = getNumber(str);

   110     Assert.assertTrue(compareValue(n, str));

   111 }, [DOUBLE, MAX_LONG, DOUBLE, INT]);

   113 // Make sure long arrays make it through Java.from and Java.to without losing precision

   114 var longArrayType = Java.type("long[]");

   115 for (var i = 0; i < 3; i++) {

   116     LongProvider.checkLongArray(Java.to(Java.from(LongProvider.getLongArray(i)), longArrayType), i);

   117 }

   119 l = Long.parseLong(BIG_LONG);

   120 Assert.assertTrue(l >>> 8 === 0xffffff);

   121 Assert.assertTrue(l << 8 === -0x100);

   122 Assert.assertTrue(l + 1 === 0x1000000000000);

   123 Assert.assertTrue(l - 1 === 0xfffffffffffe);

   125 Assert.assertEquals(LongProvider.getLong(MAX_LONG).getClass(), LongClass);

   126 Assert.assertEquals(LongProvider.getLong(MIN_LONG).getClass(), LongClass);

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