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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/FrameDescriptorTest.java @ 22490:fa86f9f3848d

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change FrameDescriptor#copy to also copy info
author Andreas Woess <andreas.woess@oracle.com>
date Thu, 10 Dec 2015 18:51:41 +0100
parents dc2bfc816011
children bc3303fb3888
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1 /*
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
079cd9183128 Documenting and testing some aspects of FrameDescriptor behavior
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.truffle.api;
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24
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25 import static org.junit.Assert.assertEquals;
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26
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27 import org.junit.Assert;
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28 import org.junit.Test;
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29
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30 import com.oracle.truffle.api.frame.Frame;
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31 import com.oracle.truffle.api.frame.FrameDescriptor;
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32 import com.oracle.truffle.api.frame.FrameSlot;
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33 import com.oracle.truffle.api.frame.FrameSlotKind;
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34 import com.oracle.truffle.api.frame.FrameSlotTypeException;
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35 import com.oracle.truffle.api.frame.VirtualFrame;
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36
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37 public class FrameDescriptorTest {
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38
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39 private FrameSlot s1;
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40 private FrameSlot s2;
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41 private FrameSlot s3;
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42
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43 @Test
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44 public void localsDefaultValue() throws Exception {
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45 Object defaultValue = "default";
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46 FrameDescriptor d = new FrameDescriptor(defaultValue);
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47 s1 = d.addFrameSlot("v1");
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48 s2 = d.addFrameSlot("v2");
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49 s3 = d.addFrameSlot("v3");
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50 VirtualFrame f = Truffle.getRuntime().createVirtualFrame(new Object[]{1, 2}, d);
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51
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52 assertFrame(f, d);
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53 assertFrame(f.materialize(), d);
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54 }
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55
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56 private void assertFrame(Frame f, FrameDescriptor d) throws FrameSlotTypeException {
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57 assertEquals("Three slots", 3, d.getSize());
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58 assertEquals("Three slots list", 3, d.getSlots().size());
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59 assertEquals("1st slot", d.getSlots().get(0), s1);
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60 assertEquals("2nd slot", d.getSlots().get(1), s2);
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61 assertEquals("3rd slot", d.getSlots().get(2), s3);
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62 assertEquals("default", f.getObject(s1));
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63 assertEquals("default", f.getObject(s2));
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64 f.setInt(s3, (int) f.getArguments()[0]);
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65 assertEquals(1, f.getInt(s3));
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66 }
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67
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68 @Test
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69 public void nullDefaultValue() {
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70 Assert.assertNull(new FrameDescriptor().getDefaultValue());
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71 }
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72
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73 @Test
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74 public void copy() throws Exception {
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75 Object defaultValue = "default";
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76 FrameDescriptor d = new FrameDescriptor(defaultValue);
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77 s1 = d.addFrameSlot("v1", "i1", FrameSlotKind.Boolean);
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78 s2 = d.addFrameSlot("v2", "i2", FrameSlotKind.Float);
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79
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80 assertEquals(2, d.getSize());
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81 assertEquals(d.getSlots().get(1).getInfo(), "i2");
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82 assertEquals(d.getSlots().get(1).getKind(), FrameSlotKind.Float);
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83 assertEquals(d.getSlots().get(1).getIndex(), 1);
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84
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85 FrameDescriptor copy = d.copy();
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86 assertEquals(2, copy.getSize());
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87 assertEquals(1, copy.getSlots().get(1).getIndex());
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88 assertEquals("Info is copied", "i2", copy.getSlots().get(1).getInfo());
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89 assertEquals("Kind isn't copied", FrameSlotKind.Illegal, copy.getSlots().get(1).getKind());
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90 }
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91
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92 @Test
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93 public void shallowCopy() {
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94 Object defaultValue = "default";
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95 FrameDescriptor d = new FrameDescriptor(defaultValue);
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96 s1 = d.addFrameSlot("v1", "i1", FrameSlotKind.Boolean);
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97 s2 = d.addFrameSlot("v2", "i2", FrameSlotKind.Float);
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98
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99 assertEquals(2, d.getSize());
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100 final FrameSlot first = d.getSlots().get(1);
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101 assertEquals(first.getInfo(), "i2");
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102 assertEquals(first.getKind(), FrameSlotKind.Float);
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103 assertEquals(first.getIndex(), 1);
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104
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105 FrameDescriptor copy = d.shallowCopy();
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106
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107 assertEquals(2, copy.getSize());
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108 final FrameSlot firstCopy = copy.getSlots().get(1);
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109 assertEquals("Info is copied", firstCopy.getInfo(), "i2");
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110 assertEquals("Kind is copied", firstCopy.getKind(), FrameSlotKind.Float);
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111 assertEquals(firstCopy.getIndex(), 1);
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112
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113 firstCopy.setKind(FrameSlotKind.Int);
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114 assertEquals("Kind is changed", firstCopy.getKind(), FrameSlotKind.Int);
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115 assertEquals("Kind is changed in original too!", first.getKind(), FrameSlotKind.Int);
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116 }
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117 }