hannesw@1720: /*
hannesw@1720:  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
hannesw@1720:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
hannesw@1720:  * 
hannesw@1720:  * This code is free software; you can redistribute it and/or modify it
hannesw@1720:  * under the terms of the GNU General Public License version 2 only, as
hannesw@1720:  * published by the Free Software Foundation.
hannesw@1720:  * 
hannesw@1720:  * This code is distributed in the hope that it will be useful, but WITHOUT
hannesw@1720:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
hannesw@1720:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
hannesw@1720:  * version 2 for more details (a copy is included in the LICENSE file that
hannesw@1720:  * accompanied this code).
hannesw@1720:  * 
hannesw@1720:  * You should have received a copy of the GNU General Public License version
hannesw@1720:  * 2 along with this work; if not, write to the Free Software Foundation,
hannesw@1720:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
hannesw@1720:  * 
hannesw@1720:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
hannesw@1720:  * or visit www.oracle.com if you need additional information or have any
hannesw@1720:  * questions.
hannesw@1720:  */
hannesw@1720: 
hannesw@1720: /**
hannesw@1720:  * JDK-8144020: Remove long as an internal numeric type
hannesw@1720:  *
hannesw@1720:  * @test
hannesw@1720:  * @run
hannesw@1720:  */
hannesw@1720: 
hannesw@1720: var LongProvider = Java.type("jdk.nashorn.test.models.LongProvider");
hannesw@1720: var Long = Java.type("java.lang.Long");
hannesw@1720: var LongClass = Long.class;
hannesw@1720: var Integer = Java.type("java.lang.Integer");
hannesw@1720: var Double = Java.type("java.lang.Double");
hannesw@1720: 
hannesw@1720: var INT      = "3";
hannesw@1720: var DOUBLE   = "5.5";
hannesw@1720: var MAX_LONG = "9223372036854775807";
hannesw@1720: var MIN_LONG = "-9223372036854775808";
hannesw@1720: var BIG_LONG = "281474976710655"; // can be represented as double
hannesw@1720: var NEG_LONG = "-281474976710656"; // can be represented as double
hannesw@1720: var SMALL_LONG = "13";
hannesw@1720: 
hannesw@1720: // Make sure we can pass longs from and to Java without losing precision
hannesw@1720: LongProvider.checkLong(LongProvider.getLong(MAX_LONG), MAX_LONG);
hannesw@1720: LongProvider.checkLong(LongProvider.getLong(MIN_LONG), MIN_LONG);
hannesw@1720: LongProvider.checkLong(LongProvider.getLong(BIG_LONG), BIG_LONG);
hannesw@1720: LongProvider.checkLong(LongProvider.getLong(NEG_LONG), NEG_LONG);
hannesw@1720: LongProvider.checkLong(LongProvider.getLong(SMALL_LONG), SMALL_LONG);
hannesw@1720: 
hannesw@1720: // a polymorphic function that can return various number types
hannesw@1720: function getNumber(str) {
hannesw@1720:     switch (str) {
hannesw@1720:         case INT:    return +INT;
hannesw@1720:         case DOUBLE: return +DOUBLE;
hannesw@1720:         default:     return Long.parseLong(str);
hannesw@1720:     }
hannesw@1720: }
hannesw@1720: 
hannesw@1720: function compareValue(n, str) {
hannesw@1720:     switch (str) {
hannesw@1720:         case INT:    return Integer.compare(n, Integer.parseInt(str) == 0);
hannesw@1720:         case DOUBLE: return Double.compare(n, Double.parseDouble(str) == 0);
hannesw@1720:         default:     return Long.compare(n, Long.parseLong(str) == 0);
hannesw@1720:     }
hannesw@1720: }
hannesw@1720: 
hannesw@1720: // Call a a function with a sequence of values. The purpose of this is that we can handle
hannesw@1720: // longs without losing precision in the presence of optimistic deoptimization, cached callsites, etc.
hannesw@1720: function testSequence(fn, values) {
hannesw@1720:     for (var i in values) {
hannesw@1720:         fn(values[i]);
hannesw@1720:     }
hannesw@1720: }
hannesw@1720: 
hannesw@1720: // We need to use "fresh" (unlinked and un-deoptimized) functions for each of the test runs.
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [INT, BIG_LONG, MIN_LONG]);
hannesw@1720: 
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [INT, MAX_LONG]);
hannesw@1720: 
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [INT, DOUBLE, NEG_LONG]);
hannesw@1720: 
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [DOUBLE, MAX_LONG]);
hannesw@1720: 
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [DOUBLE, SMALL_LONG, MAX_LONG]);
hannesw@1720: 
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [INT, DOUBLE, NEG_LONG, MAX_LONG]);
hannesw@1720: 
hannesw@1720: testSequence(function(str) {
hannesw@1720:     var n = getNumber(str);
hannesw@1720:     Assert.assertTrue(compareValue(n, str));
hannesw@1720: }, [DOUBLE, MAX_LONG, DOUBLE, INT]);
hannesw@1720: 
hannesw@1720: // Make sure long arrays make it through Java.from and Java.to without losing precision
hannesw@1720: var longArrayType = Java.type("long[]");
hannesw@1720: for (var i = 0; i < 3; i++) {
hannesw@1720:     LongProvider.checkLongArray(Java.to(Java.from(LongProvider.getLongArray(i)), longArrayType), i);
hannesw@1720: }
hannesw@1720: 
hannesw@1720: l = Long.parseLong(BIG_LONG);
hannesw@1720: Assert.assertTrue(l >>> 8 === 0xffffff);
hannesw@1720: Assert.assertTrue(l << 8 === -0x100);
hannesw@1720: Assert.assertTrue(l + 1 === 0x1000000000000);
hannesw@1720: Assert.assertTrue(l - 1 === 0xfffffffffffe);
hannesw@1720: 
hannesw@1720: Assert.assertEquals(LongProvider.getLong(MAX_LONG).getClass(), LongClass);
hannesw@1720: Assert.assertEquals(LongProvider.getLong(MIN_LONG).getClass(), LongClass);