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annotate test/struct.tst @ 20619:96163bdd2ea1

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Fix assigning into structs with trailing singleton dimensions (bug #35841) * ov-struct.cc (subsasgn): If indexing results in empty matrix, substitute a 1x1 empty cell. Change test so that if numel of indexing operation is '<= 1' operation proceeds rather than '== 1'. * struct.tst: Add BIST test for bug #35841.
author Lachlan Andrew <lachlanbis@gmail.com>
date Tue, 13 Oct 2015 09:55:46 -0700
parents 4197fc428c7d
children a4faec57f4c8
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rev   line source
19697
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2006-2015 John W. Eaton
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave 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 as published by
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 %!test
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20 %! s.a = 1;
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21 %! c = fieldnames (s);
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22 %! assert (iscell (c) && strcmp (c{1}, "a"));
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24 %!test
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25 %! s.a.b = 1;
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26 %! c = fieldnames (s.a);
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27 %! assert (iscell (c) && strcmp (c{1}, "b"));
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29 %!error <Invalid call to fieldnames> fieldnames ();
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31 %!test
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32 %! s.a = 1;
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33 %! fail ("fieldnames (s, 1)", "Invalid call to fieldnames");
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35 %!error fieldnames (1);
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36
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37 %!test
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38 %! s.aaa = 1;
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39 %! s.a = 2;
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40 %! assert (isfield (s, "a"));
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42 %!test
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43 %! s.aaa = 1;
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44 %! s.a = 2;
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45 %! assert (!(isfield (s, "b")));
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46
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47 %!error <Invalid call to isfield> isfield ();
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48
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49 %!test
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50 %! s.aaa = 1;
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51 %! s.a = 2;
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52 %! fail ("isfield (s, 'a', 3);", "Invalid call to isfield");
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54 %!assert (isfield (1, "m") == 0);
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55
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56 %!test
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57 %! s.a = 2;
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58 %! assert (isfield (s, 2) == 0);
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59
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60 %!assert (isstruct (1), false)
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61 %!assert (isstruct ([1, 2]), false)
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62 %!assert (isstruct ([]), false)
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63 %!assert (isstruct ([1, 2; 3, 4]), false)
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64 %!assert (isstruct ("t"), false)
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65 %!assert (isstruct ("test"), false)
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66 %!assert (isstruct (["test"; "ing"]), false)
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67 %!assert (isstruct ({1}), false)
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69 %!test
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70 %! s.a = 1;
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71 %! assert (isstruct (s));
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73 %!test
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74 %! s.a.b = 1;
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75 %! assert (isstruct (s.a));
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76
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77 %!error <Invalid call to isstruct> isstruct ();
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79 %!test
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80 %! s.a = 1;
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81 %! fail ("isstruct (s, 1)", "Invalid call to isstruct");
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82
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83 ## increment element of matrix stored in struct array field
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84 %!test
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85 %! a = struct ("c", {[1, 2, 3], [4, 5, 6], [7, 8, 9]});
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86 %! a(2).c(3)++;
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87 %! assert (a(2).c, [4, 5, 7]);
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88
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89 ## create struct array by assignment to cs-list
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90 %!test
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91 %! [a(1:2).x] = deal (1, 3);
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92 %! assert (a, struct ("x", {1, 3}));
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93 %! assert ({a(1:2).x}, {1, 3});
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94
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95 ## assign to subrange of struct array field
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96 %!test
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97 %! b = struct ("name", {"a", "b", "c"; "d", "e", "f"}, "value", 100);
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98 %! [b(1:2, [1,3]).name] = deal ("aaa", "ddd", "ccc", "fff");
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99 %! assert ({b.name}, {"aaa", "ddd", "b", "e", "ccc", "fff"});
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100
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101 ## index into nested struct arrays
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102 %!test
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103 %! a = struct ("name", {"a", "b", "c"; "d", "e", "f"}, "value", 0);
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104 %! a(2).value = a;
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105 %! assert (a(2).value(2,3).name, "f");
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106
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107 ## assign to subrange of field in nested struct array
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108 %!test
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109 %! b = struct ("name", {"a", "b", "c"; "d", "e", "f"}, "value", 0);
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110 %! b(3, 1).value = b;
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111 %! [b(3, 1).value(1, [1, 3]).name] = deal ("aaa", "ccc");
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112 %! assert (size (b), [3, 3]);
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113 %! assert (b(3,1).value(1, 3).name, "ccc");
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114
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115 ## test 4-dimensional struct array
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116 %!test
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117 %! c(4, 4, 4, 4).name = "a";
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118 %! c(3, 3, 3, 3).value = 1;
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119 %! assert (c(2,2,2,2), struct ("name", [], "value", []));
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120
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121 ## assign to subrange of field in 4D struct array
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122 %!test
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123 %! c(4, 4, 4, 4).name = "a";
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124 %! c(3, 3, 3, 3).value = 1;
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125 %! [c([1, 3], 2, :, [3, 4]).value] = deal (1);
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126 %! assert (length (find ([c.value] == 1)), 17);
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127 %! assert (length (find ([c.value])), 17);
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128
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129 ## swap elements of struct array
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130 %!test
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131 %! b = struct ("name", {"a", "b", "c"; "d", "e", "f"}, "value", 0);
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132 %! [b([2, 1], [3, 1]).name] = deal (b([1, 2], [1, 2]).name);
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133 %! assert ({b.name}, {"e", "b", "b", "e", "d", "a"});
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134
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135 ## test internal ordering of struct array fields
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136 %!test
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137 %! c(4, 4, 4, 4).value = 3;
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138 %! c(1, 2, 3, 4).value = 2;
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139 %! c(3, 3, 3, 3).value = 1;
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140 %! d = reshape ({c.value}, size (c));
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141 %! assert ([d{4, 4, 4, 4}, d{1, 2, 3, 4}, d{3, 3, 3, 3}],
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142 %! [3, 2, 1]);
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143
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144 ## test assignment to mixed cs-list of field element subranges
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145 %!test
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146 %! b = struct ("name", {"a", "b", "c"; "d", "e", "f"}, "value", 100);
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147 %! [b(1:2, [1, 3]).name, b(2, 1:3).value] = ...
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148 %! deal (1, 2, 3, 4, "5", "6", "7");
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149 %! assert ({b.name}, {1, 2, "b", "e", 3, 4});
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150 %! assert ({b.value}, {100, "5", 100, "6", 100, "7"});
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151
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152 %!error <a cs-list cannot be further indexed>
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153 %! [a(1:3).x] = deal ([1, 5], [3, 7], [8, 9]);
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154 %! [a(2:3).x(2)] = deal (10, 11);
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155
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156 %!error <a cs-list cannot be further indexed>
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157 %! [a(1:3).x] = deal ([1, 5], [3, 7], [8, 9]);
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158 %! a(2:3).x(2);
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159
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160 %!error id=Octave:index-out-of-bounds
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161 %! a(1).x.x = 1;
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162 %! a(2).x;
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163
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164 %!error <invalid number of output arguments for constant expression>
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165 %! a = struct ("value", {1, 2, 3, 4, 5});
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166 %! [a(2:4).value] = 1;
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167
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168 %!error <invalid assignment to cs-list outside multiple assignment>
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169 %! c(4, 4, 4, 4).name = "a";
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170 %! c(3, 3, 3, 3).value = 1;
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171 %! c([1, 3], 2, :, [3, 4]).value = 1;
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172
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173 ## test lazy copying in structs: nested assignment to self
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174 %!test
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175 %! a.a = 1;
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176 %! a.b = a;
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177 %! a.b.c = a;
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178 %! assert (a.b.c.b, struct ("a", 1));
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179
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180 ## test lazy copying in structs: indirect nested assignment to self
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181 %!test
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182 %! a.a = 1;
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183 %! a.b = 2;
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184 %! b.c = a;
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185 %! b.d = 3;
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186 %! c.d = b;
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187 %! c.e = 4;
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188 %! a.b = c;
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189 %! a.b.e = a;
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190 %! assert (a.b.e.b.d.c, struct ("a", 1, "b", 2));
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191
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192 ## test lazy copying in structs: nested assignment via function
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193 %!function aa = do_nest (a);
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194 %! aa = a;
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195 %! aa.b = a;
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196 %!endfunction
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197 %!test
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198 %! a.c = 1;
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199 %! a = do_nest (a);
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200 %! a = do_nest (a);
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201 %! a = do_nest (a);
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202 %! assert (a.b.b.b, struct ("c", 1));
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203
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204 ## test lazy copying in structs: nested assignment via function
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205 %!function aa = do_nest (a);
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206 %! aa = a;
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207 %! aa.b = a;
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208 %! aa.b.c = aa;
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209 %!endfunction
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210 %!test
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211 %! a.c = 1;
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212 %! a = do_nest (a);
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213 %! a = do_nest (a);
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214 %! a = do_nest (a);
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215 %! assert (a.b.c.b.b.c.b.b.c.b, struct ("c", 1));
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216
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217 ## test lazy copying in structs: nested assignment on different levels.
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218 %!test
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219 %! a.b = 1;
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220 %! b.c = a;
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221 %! b.d.e = a;
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222 %! b.f.g.h = a;
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223 %! b.i.j.k.l = a;
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224 %! a.m = b;
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225 %! a.m.c.b = a;
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226 %! assert (a.m.c.b.m.i.j.k.l, struct ("b", 1));
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227
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228 ## test indexed assignment into empty struct array
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229 %!test
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230 %! s = resize (struct (), 3,2);
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231 %! s(3).foo = 42;
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232 %! assert (s(3), struct ("foo", 42));
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233
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234 ## test assigning to multi-dim struct with trailing singleton dimensions,
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235 ## Bug #35841.
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236 %!test
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237 %! a(1,1,1).b(1) = 1;
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238 %! a(1,1,1).b(1) = 2;
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239 %! a(1,1,:).b(1) = 3;
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240 %! assert (a(1,1,1).b(1) == 3);
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241
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242 %!error id=Octave:index-out-of-bounds
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243 %! s = resize (struct (),3,2);
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244 %! s(3).foo = 42;
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245 %! s(7);