diff options
Diffstat (limited to 'qemu/dtc/tests/del_property.c')
-rw-r--r-- | qemu/dtc/tests/del_property.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/qemu/dtc/tests/del_property.c b/qemu/dtc/tests/del_property.c new file mode 100644 index 000000000..42fd7cb1c --- /dev/null +++ b/qemu/dtc/tests/del_property.c @@ -0,0 +1,90 @@ +/* + * libfdt - Flat Device Tree manipulation + * Testcase for fdt_delprop() + * Copyright (C) 2006 David Gibson, IBM Corporation. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#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; + const uint32_t *intp; + const char *strp; + int err, lenerr; + int oldsize, delsize, newsize; + + test_init(argc, argv); + fdt = load_blob_arg(argc, argv); + + fdt = open_blob_rw(fdt); + + oldsize = fdt_totalsize(fdt); + + intp = check_getprop_cell(fdt, 0, "prop-int", TEST_VALUE_1); + verbose_printf("int value was 0x%08x\n", *intp); + + err = fdt_delprop(fdt, 0, "prop-int"); + if (err) + FAIL("Failed to delete \"prop-int\": %s", fdt_strerror(err)); + + intp = fdt_getprop(fdt, 0, "prop-int", &lenerr); + if (intp) + FAIL("prop-int still present after deletion"); + if (lenerr != -FDT_ERR_NOTFOUND) + FAIL("Unexpected error on second getprop: %s", + fdt_strerror(lenerr)); + + strp = check_getprop(fdt, 0, "prop-str", strlen(TEST_STRING_1)+1, + TEST_STRING_1); + verbose_printf("string value was \"%s\"\n", strp); + err = fdt_delprop(fdt, 0, "prop-str"); + if (err) + FAIL("Failed to delete \"prop-str\": %s", fdt_strerror(err)); + + strp = fdt_getprop(fdt, 0, "prop-str", &lenerr); + if (strp) + FAIL("prop-str still present after deletion"); + if (lenerr != -FDT_ERR_NOTFOUND) + FAIL("Unexpected error on second getprop: %s", + fdt_strerror(lenerr)); + + delsize = fdt_totalsize(fdt); + + err = fdt_pack(fdt); + if (err) + FAIL("fdt_pack(): %s\n", 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(); +} |