diff options
author | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
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committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /dtc/tests/del_node.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'dtc/tests/del_node.c')
-rw-r--r-- | dtc/tests/del_node.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/dtc/tests/del_node.c b/dtc/tests/del_node.c new file mode 100644 index 000000000..10846dfbe --- /dev/null +++ b/dtc/tests/del_node.c @@ -0,0 +1,110 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/* + * libfdt - Flat Device Tree manipulation + * Testcase for fdt_nop_node() + * Copyright (C) 2006 David Gibson, IBM Corporation. + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <stdint.h> + +#include <libfdt.h> + +#include "tests.h" +#include "testdata.h" + +int main(int argc, char *argv[]) +{ + void *fdt; + int subnode1_offset, subnode2_offset, subsubnode2_offset; + int err; + int oldsize, delsize, newsize; + + test_init(argc, argv); + fdt = load_blob_arg(argc, argv); + + fdt = open_blob_rw(fdt); + + oldsize = fdt_totalsize(fdt); + + subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); + if (subnode1_offset < 0) + FAIL("Couldn't find \"/subnode@1\": %s", + fdt_strerror(subnode1_offset)); + check_getprop_cell(fdt, subnode1_offset, "prop-int", TEST_VALUE_1); + + subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); + if (subnode2_offset < 0) + FAIL("Couldn't find \"/subnode@2\": %s", + fdt_strerror(subnode2_offset)); + check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); + + subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); + if (subsubnode2_offset < 0) + FAIL("Couldn't find \"/subnode@2/subsubnode\": %s", + fdt_strerror(subsubnode2_offset)); + check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); + + err = fdt_del_node(fdt, subnode1_offset); + if (err) + FAIL("fdt_del_node(subnode1): %s", fdt_strerror(err)); + + subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); + if (subnode1_offset != -FDT_ERR_NOTFOUND) + FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"", + fdt_strerror(subnode1_offset), + fdt_strerror(-FDT_ERR_NOTFOUND)); + + subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); + if (subnode2_offset < 0) + FAIL("Couldn't find \"/subnode2\": %s", + fdt_strerror(subnode2_offset)); + check_getprop_cell(fdt, subnode2_offset, "prop-int", TEST_VALUE_2); + + subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); + if (subsubnode2_offset < 0) + FAIL("Couldn't find \"/subnode@2/subsubnode\": %s", + fdt_strerror(subsubnode2_offset)); + check_getprop_cell(fdt, subsubnode2_offset, "prop-int", TEST_VALUE_2); + + err = fdt_del_node(fdt, subnode2_offset); + if (err) + FAIL("fdt_del_node(subnode2): %s", fdt_strerror(err)); + + subnode1_offset = fdt_path_offset(fdt, "/subnode@1"); + if (subnode1_offset != -FDT_ERR_NOTFOUND) + FAIL("fdt_path_offset(subnode1) returned \"%s\" instead of \"%s\"", + fdt_strerror(subnode1_offset), + fdt_strerror(-FDT_ERR_NOTFOUND)); + + subnode2_offset = fdt_path_offset(fdt, "/subnode@2"); + if (subnode2_offset != -FDT_ERR_NOTFOUND) + FAIL("fdt_path_offset(subnode2) returned \"%s\" instead of \"%s\"", + fdt_strerror(subnode2_offset), + fdt_strerror(-FDT_ERR_NOTFOUND)); + + subsubnode2_offset = fdt_path_offset(fdt, "/subnode@2/subsubnode"); + if (subsubnode2_offset != -FDT_ERR_NOTFOUND) + FAIL("fdt_path_offset(subsubnode2) returned \"%s\" instead of \"%s\"", + fdt_strerror(subsubnode2_offset), + fdt_strerror(-FDT_ERR_NOTFOUND)); + + delsize = fdt_totalsize(fdt); + + err = fdt_pack(fdt); + if (err) + FAIL("fdt_pack(): %s", fdt_strerror(err)); + + newsize = fdt_totalsize(fdt); + + verbose_printf("oldsize = %d, delsize = %d, newsize = %d\n", + oldsize, delsize, newsize); + + if (newsize >= oldsize) + FAIL("Tree failed to shrink after deletions"); + + PASS(); +} |