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annotate truffle/com.oracle.truffle.api.test/src/com/oracle/truffle/api/FrameDescriptorTest.java @ 22492:bc3303fb3888

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add more FrameDescriptor tests
author Andreas Woess <andreas.woess@oracle.com>
date Thu, 10 Dec 2015 18:39:47 +0100
parents fa86f9f3848d
children
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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
079cd9183128 Documenting and testing some aspects of FrameDescriptor behavior
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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
079cd9183128 Documenting and testing some aspects of FrameDescriptor behavior
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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,
079cd9183128 Documenting and testing some aspects of FrameDescriptor behavior
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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 import static org.junit.Assert.assertFalse;
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27 import static org.junit.Assert.assertNull;
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28 import static org.junit.Assert.assertSame;
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29 import static org.junit.Assert.assertTrue;
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30 import static org.junit.Assert.fail;
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31
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32 import org.junit.Test;
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33
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34 import com.oracle.truffle.api.frame.Frame;
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35 import com.oracle.truffle.api.frame.FrameDescriptor;
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36 import com.oracle.truffle.api.frame.FrameSlot;
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37 import com.oracle.truffle.api.frame.FrameSlotKind;
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38 import com.oracle.truffle.api.frame.FrameSlotTypeException;
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39 import com.oracle.truffle.api.frame.VirtualFrame;
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40
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41 public class FrameDescriptorTest {
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42
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43 private FrameSlot s1;
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44 private FrameSlot s2;
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45 private FrameSlot s3;
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46
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47 @Test
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48 public void localsDefaultValue() throws Exception {
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49 Object defaultValue = "default";
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50 FrameDescriptor d = new FrameDescriptor(defaultValue);
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51 s1 = d.addFrameSlot("v1");
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52 s2 = d.addFrameSlot("v2");
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53 s3 = d.addFrameSlot("v3");
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54 VirtualFrame f = Truffle.getRuntime().createVirtualFrame(new Object[]{1, 2}, d);
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55
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56 assertFrame(f, d);
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57 assertFrame(f.materialize(), d);
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58 }
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59
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60 private void assertFrame(Frame f, FrameDescriptor d) throws FrameSlotTypeException {
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61 assertEquals("Three slots", 3, d.getSize());
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62 assertEquals("Three slots list", 3, d.getSlots().size());
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63 assertEquals("1st slot", d.getSlots().get(0), s1);
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64 assertEquals("2nd slot", d.getSlots().get(1), s2);
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65 assertEquals("3rd slot", d.getSlots().get(2), s3);
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66 assertEquals("default", f.getObject(s1));
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67 assertEquals("default", f.getObject(s2));
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68 f.setInt(s3, (int) f.getArguments()[0]);
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69 assertEquals(1, f.getInt(s3));
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70 }
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71
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72 @Test
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73 public void nullDefaultValue() {
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74 assertNull(new FrameDescriptor().getDefaultValue());
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75 }
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76
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77 @Test
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78 public void copy() throws Exception {
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79 Object defaultValue = "default";
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80 FrameDescriptor d = new FrameDescriptor(defaultValue);
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81 s1 = d.addFrameSlot("v1", "i1", FrameSlotKind.Boolean);
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82 s2 = d.addFrameSlot("v2", "i2", FrameSlotKind.Float);
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83
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84 assertEquals(2, d.getSize());
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85 assertEquals(d.getSlots().get(1).getInfo(), "i2");
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86 assertEquals(d.getSlots().get(1).getKind(), FrameSlotKind.Float);
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87 assertEquals(d.getSlots().get(1).getIndex(), 1);
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88
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89 FrameDescriptor copy = d.copy();
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90 assertEquals(2, copy.getSize());
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91 assertEquals(1, copy.getSlots().get(1).getIndex());
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92 assertEquals("Info is copied", "i2", copy.getSlots().get(1).getInfo());
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93 assertEquals("Kind isn't copied", FrameSlotKind.Illegal, copy.getSlots().get(1).getKind());
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94 }
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95
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96 @Test
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97 public void shallowCopy() {
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98 Object defaultValue = "default";
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99 FrameDescriptor d = new FrameDescriptor(defaultValue);
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100 s1 = d.addFrameSlot("v1", "i1", FrameSlotKind.Boolean);
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101 s2 = d.addFrameSlot("v2", "i2", FrameSlotKind.Float);
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102
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103 assertEquals(2, d.getSize());
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104 final FrameSlot first = d.getSlots().get(1);
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105 assertEquals(first.getInfo(), "i2");
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106 assertEquals(first.getKind(), FrameSlotKind.Float);
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107 assertEquals(first.getIndex(), 1);
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108
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109 FrameDescriptor copy = d.shallowCopy();
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110
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111 assertEquals(2, copy.getSize());
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112 final FrameSlot firstCopy = copy.getSlots().get(1);
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113 assertEquals("Info is copied", firstCopy.getInfo(), "i2");
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114 assertEquals("Kind is copied", firstCopy.getKind(), FrameSlotKind.Float);
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115 assertEquals(firstCopy.getIndex(), 1);
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116
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117 firstCopy.setKind(FrameSlotKind.Int);
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118 assertEquals("Kind is changed", firstCopy.getKind(), FrameSlotKind.Int);
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119 assertEquals("Kind is changed in original too!", first.getKind(), FrameSlotKind.Int);
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120 }
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121
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122 @Test
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123 public void version() {
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124 FrameDescriptor d = new FrameDescriptor();
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125 s1 = d.addFrameSlot("v1", "i1", FrameSlotKind.Boolean);
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126 s2 = d.addFrameSlot("v2", "i2", FrameSlotKind.Float);
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127
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128 Assumption version;
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129 version = d.getVersion();
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130 assertTrue(version.isValid());
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131 // add slot
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132 s3 = d.addFrameSlot("v3", "i3", FrameSlotKind.Int);
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133 assertEquals(3, d.getSize());
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134 assertFalse(version.isValid());
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135 version = d.getVersion();
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136 assertTrue(version.isValid());
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137 assertSame("1st slot", s1, d.getSlots().get(0));
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138 assertSame("2nd slot", s2, d.getSlots().get(1));
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139 assertSame("3rd slot", s3, d.getSlots().get(2));
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140
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141 // change kind
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142 s3.setKind(FrameSlotKind.Object);
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143 assertFalse(version.isValid());
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144 version = d.getVersion();
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145 assertTrue(version.isValid());
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146
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147 // remove slot
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148 d.removeFrameSlot("v3");
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149 assertEquals(2, d.getSize());
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150 assertFalse(version.isValid());
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151 version = d.getVersion();
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152 assertTrue(version.isValid());
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153 }
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154
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155 @Test
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156 public void notInFrameAssumption() {
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157 FrameDescriptor d = new FrameDescriptor();
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158 Assumption[] ass = new Assumption[]{d.getNotInFrameAssumption("v1"), d.getNotInFrameAssumption("v2"), d.getNotInFrameAssumption("v3")};
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159 assertTrue(ass[0].isValid());
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160 assertTrue(ass[1].isValid());
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161 assertTrue(ass[2].isValid());
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162 s1 = d.addFrameSlot("v1", "i1", FrameSlotKind.Boolean);
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163 assertFalse(ass[0].isValid());
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164 assertTrue(ass[1].isValid());
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165 assertTrue(ass[2].isValid());
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166 s2 = d.addFrameSlot("v2", "i2", FrameSlotKind.Float);
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167 assertFalse(ass[0].isValid());
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168 assertFalse(ass[1].isValid());
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169 assertTrue(ass[2].isValid());
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170 s3 = d.addFrameSlot("v3", "i3", FrameSlotKind.Int);
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171 assertFalse(ass[0].isValid());
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172 assertFalse(ass[1].isValid());
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173 assertFalse(ass[2].isValid());
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174
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175 for (String identifier : new String[]{"v1", "v2", "v3"}) {
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176 try {
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177 d.getNotInFrameAssumption(identifier);
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178 fail("expected IllegalArgumentException");
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179 } catch (IllegalArgumentException e) {
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180 // expected
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181 }
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182 }
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183 d.getNotInFrameAssumption("v4");
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184 }
22432
079cd9183128 Documenting and testing some aspects of FrameDescriptor behavior
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185 }