Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.ruby.test/src/com/oracle/truffle/ruby/test/language/OrTests.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 {@code or} expressions, which unusually for Ruby are not methods. This is because with * Ruby's eager evaluation there would be no way to implement the short circuit semantics. */ public class OrTests extends RubyTests { @Test public void testImmediate() { assertPrints("false\n", "puts false || false"); assertPrints("true\n", "puts true || false"); assertPrints("true\n", "puts false || true"); assertPrints("true\n", "puts true || true"); assertPrints("false\n", "puts (false or false)"); assertPrints("true\n", "puts (true or false)"); assertPrints("true\n", "puts (false or true)"); assertPrints("true\n", "puts (true or true)"); } @Test public void testShortCircuits() { assertPrints("false\nfalse\nfalse\n", "x = y = false; puts (x = false) || (y = false); puts x, y"); assertPrints("true\ntrue\nfalse\n", "x = y = false; puts (x = true) || (y = false); puts x, y"); assertPrints("true\nfalse\ntrue\n", "x = y = false; puts (x = false) || (y = true); puts x, y"); assertPrints("true\ntrue\nfalse\n", "x = y = false; puts (x = true) || (y = true); puts x, y"); assertPrints("false\nfalse\nfalse\n", "x = y = false; puts ((x = false) or (y = false)); puts x, y"); assertPrints("true\ntrue\nfalse\n", "x = y = false; puts ((x = true) or (y = false)); puts x, y"); assertPrints("true\nfalse\ntrue\n", "x = y = false; puts ((x = false) or (y = true)); puts x, y"); assertPrints("true\ntrue\nfalse\n", "x = y = false; puts ((x = true) or (y = true)); puts x, y"); } @Test public void testOrAssign() { assertPrints("true\n", "def foo; puts 1; false; end; x = true; x ||= foo; puts x"); assertPrints("1\nfalse\n", "def foo; puts 1; false; end; x = false; x ||= foo; puts x"); } }