Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.test/src/com/oracle/truffle/ruby/test/language/ClassLocalTests.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 @@ class variables. There is a lot of counter-intuitive behavior here - they aren't instance * variables in class objects. The books describe them as being in a 'class hierarchy', rather than * in a class. Also, the object they are defined it is not consistent - sometimes it is the class of * self, sometimes it's just self. */ public class ClassLocalTests extends RubyTests { @Test public void testBasic() { assertPrints("14\n", "@@x = 14; puts @@x"); } /* * Test that they are defined for a hierarchy, not a class. */ @Test public void testHeirarchyNotClassVariable() { assertPrints("2\n", "class Foo; @@value = 14; end; class Bar < Foo; @@value = 2; end; class Foo; puts @@value; end"); } /* * Test that they take the correct class at different times. In a method, they use the class of * self. In a class definition they use that class, not the class of self, which is Class. */ @Test public void testCorrectClass() { assertPrints("1\n", "class Foo; @@x = 1; def foo; puts @@x; end; end; Foo.new.foo"); } @Test public void testWithinSelfMethod() { assertPrints("14\n", "class Foo; @@foo = 14; def self.foo; @@foo; end; end; puts Foo.foo"); } }