Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.test/src/com/oracle/truffle/ruby/test/language/RedefinitionTests.java @ 13819:49db2c1e3bee
added support for co-existing GPU backends (JBS:GRAAL-1)
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 30 Jan 2014 00:52:33 +0100 |
parents | 0fbee3eb71f0 |
children |
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/* * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This * code is released under a tri EPL/GPL/LGPL license. You can use it, * redistribute it and/or modify it under the terms of the: * * Eclipse Public License version 1.0 * GNU General Public License version 2 * GNU Lesser General Public License version 2.1 */ package com.oracle.truffle.ruby.test.language; import org.junit.*; import com.oracle.truffle.ruby.test.*; /** * Test that methods can be redefined. */ public class RedefinitionTests extends RubyTests { /** * Test that a method on Fixnum can be redefined and that we will use the new definition. The * call that expects to find the redefinition needs to have already been specialized, which is * why do it through a method. */ @Test public void testSimpleOperatorRedefinition() { assertPrints("3\n-1\n", // "def add(x, y)\n" + // " x + y\n" + // "end\n" + // "puts add(1, 2)\n" + // "class Fixnum\n" + // " def +(other)\n" + // " self - other\n" + // " end\n" + // "end\n" + // "puts add(1, 2)\n"); } /** * This is quite a subtle test. We redefine Float#+. We have a method which calls +. It is * initially specialized to Fixnum, but then used with Float. The tricky bit is that Float has * not been redefined since the operator has been specialized. The operator thinks it is up to * date. When we emit a + node, we need to check if any class that that node could specialize to * has been redefined. */ @Test public void testSpecialisationConsidersRedefinitionInOtherClasses() { assertPrints("16\n12.25\n", // "def add(a, b)\n" + // " a + b\n" + // "end\n" + // "class Float\n" + // " def +(other)\n" + // " self - other\n" + // " end\n" + // "end\n" + // "puts add(14, 2)\n" + // "puts add(14.5, 2.25)"); } }