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13514
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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.test.language;
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11
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12 import org.junit.*;
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13
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14 import com.oracle.truffle.ruby.test.*;
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15
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16 /**
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17 * Test {@code class} expressions.
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18 */
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19 public class ClassTests extends RubyTests {
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20
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21 @Test
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22 public void testDefine() {
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23 assertPrints("Foo\n", "class Foo; end; puts Foo");
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24 }
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25
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26 @Test
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27 public void testMethods() {
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28 assertPrints("14\n", "class Foo; def test; return 14; end; end; foo=Foo.new; puts foo.test");
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29 assertPrints("14\n", "class Foo; def test(x); return x; end; end; foo=Foo.new; puts foo.test(14)");
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30 }
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31
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32 @Test
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33 public void testDefineHasScope() {
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34 assertPrints("14\n", "x=14; class Foo; x=0; end; puts x");
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35 assertPrints("14\n", "class Foo; x=14; puts x; end");
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36 }
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37
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38 @Test
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39 public void testInitialise() {
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40 assertPrints("14\n", "class Foo; def initialize; puts 14; end; end; Foo.new");
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41 assertPrints("14\n", "class Foo; def initialize(x); puts x; end; end; Foo.new 14");
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42 assertPrints("14\n", "class Foo; def initialize(x); puts x; end; end; Foo.new(14)");
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43 }
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44
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45 @Test
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46 public void testInstanceVariables() {
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47 assertPrints("14\n", "class Foo; def a; @x=14; end; def b; @x; end; end; foo=Foo.new; foo.a; puts foo.b");
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48 }
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49
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50 @Test
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51 public void testMissingVariables() {
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52 assertPrints("NilClass\n", "class Foo; def a; @x; end; end; foo=Foo.new; puts foo.a.class");
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53 }
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54
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55 @Test
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56 public void testClassConstants() {
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57 assertPrints("14\n", "class Foo; X=14; def foo; puts X; end; end; foo=Foo.new; foo.foo");
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58 }
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59
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60 @Test
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61 public void testReopeningSingletonClass() {
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62 assertPrints("1\n", "foo = Object.new; class << foo; def bar; puts 1; end; end; foo.bar");
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63 }
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64
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65 @Test
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66 public void testInheritance() {
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67 assertPrints("14\n", "class Foo; def foo; puts 14; end; end; class Bar < Foo; end; Bar.new.foo");
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68 }
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69
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70 @Test
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71 public void testSingletonInheritance() {
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72 assertPrints("14\n", "class Foo; def self.foo; puts 14; end; end; class Bar < Foo; end; Bar.foo");
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73 }
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74
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75 @Test
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76 public void testNestedClass() {
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77 assertPrints("14\n", "class Foo; class Bar; def bar; 14; end; end; def foo; Bar.new; end; end; puts Foo.new.foo.bar");
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78 }
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79
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80 }
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