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1 /* |
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2 * libfdt - Flat Device Tree manipulation |
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3 * Testcase for fdt_nop_node() |
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4 * Copyright (C) 2006 David Gibson, IBM Corporation. |
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5 * |
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6 * This library is free software; you can redistribute it and/or |
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7 * modify it under the terms of the GNU Lesser General Public License |
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8 * as published by the Free Software Foundation; either version 2.1 of |
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9 * the License, or (at your option) any later version. |
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10 * |
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11 * This library is distributed in the hope that it will be useful, but |
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 * Lesser General Public License for more details. |
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15 * |
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16 * You should have received a copy of the GNU Lesser General Public |
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17 * License along with this library; if not, write to the Free Software |
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18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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19 */ |
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20 |
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21 #include <stdlib.h> |
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22 #include <stdio.h> |
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23 #include <string.h> |
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24 #include <ctype.h> |
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25 #include <stdint.h> |
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26 |
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27 #include <fdt.h> |
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28 #include <libfdt.h> |
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29 |
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30 #include "tests.h" |
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31 #include "testdata.h" |
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32 |
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33 int main(int argc, char *argv[]) |
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34 { |
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35 void *fdt; |
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36 int subnode1_offset, subnode2_offset, subsubnode2_offset; |
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37 int err; |
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38 int oldsize, delsize, newsize; |
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39 |
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40 test_init(argc, argv); |
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41 fdt = load_blob_arg(argc, argv); |
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42 |
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43 fdt = open_blob_rw(fdt); |
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44 |
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45 oldsize = fdt_totalsize(fdt); |
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46 |
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47 subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); |
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48 if (subnode1_offset < 0) |
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49 FAIL("Couldn't find \"/subnode@1\": %s", |
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50 fdt_strerror(subnode1_offset)); |
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51 check_getprop_cell(fdt, subnode1_offset, "prop-int", TEST_VALUE_1); |
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52 |
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53 subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); |
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54 if (subnode2_offset < 0) |
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55 FAIL("Couldn't find \"/subnode@2\": %s", |
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56 fdt_strerror(subnode2_offset)); |
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57 check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); |
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58 |
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59 subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); |
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60 if (subsubnode2_offset < 0) |
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61 FAIL("Couldn't find \"/subnode@2/subsubnode\": %s", |
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62 fdt_strerror(subsubnode2_offset)); |
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63 check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); |
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64 |
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65 err = fdt_del_node(fdt, subnode1_offset); |
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66 if (err) |
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67 FAIL("fdt_del_node(subnode1): %s", fdt_strerror(err)); |
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68 |
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69 subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); |
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70 if (subnode1_offset != -FDT_ERR_NOTFOUND) |
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71 FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"", |
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72 fdt_strerror(subnode1_offset), |
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73 fdt_strerror(-FDT_ERR_NOTFOUND)); |
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74 |
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75 subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); |
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76 if (subnode2_offset < 0) |
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77 FAIL("Couldn't find \"/subnode2\": %s", |
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78 fdt_strerror(subnode2_offset)); |
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79 check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); |
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80 |
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81 subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); |
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82 if (subsubnode2_offset < 0) |
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83 FAIL("Couldn't find \"/subnode@2/subsubnode\": %s", |
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84 fdt_strerror(subsubnode2_offset)); |
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85 check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); |
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86 |
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87 err = fdt_del_node(fdt, subnode2_offset); |
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88 if (err) |
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89 FAIL("fdt_del_node(subnode2): %s", fdt_strerror(err)); |
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90 |
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91 subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); |
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92 if (subnode1_offset != -FDT_ERR_NOTFOUND) |
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93 FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"", |
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94 fdt_strerror(subnode1_offset), |
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95 fdt_strerror(-FDT_ERR_NOTFOUND)); |
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96 |
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97 subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); |
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98 if (subnode2_offset != -FDT_ERR_NOTFOUND) |
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99 FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"", |
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100 fdt_strerror(subnode2_offset), |
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101 fdt_strerror(-FDT_ERR_NOTFOUND)); |
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102 |
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103 subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); |
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104 if (subsubnode2_offset != -FDT_ERR_NOTFOUND) |
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105 FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"", |
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106 fdt_strerror(subsubnode2_offset), |
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107 fdt_strerror(-FDT_ERR_NOTFOUND)); |
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108 |
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109 delsize = fdt_totalsize(fdt); |
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110 |
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111 err = fdt_pack(fdt); |
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112 if (err) |
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113 FAIL("fdt_pack(): %s", fdt_strerror(err)); |
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114 |
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115 newsize = fdt_totalsize(fdt); |
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116 |
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117 verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n", |
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118 oldsize, delsize, newsize); |
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119 |
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120 if (newsize >= oldsize) |
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121 FAIL("Tree failed to shrink after deletions"); |
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122 |
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123 PASS(); |
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124 } |