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