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-rw-r--r--qemu/dtc/tests/del_property.c90
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();
+}