[lttng-dev] [PATCH babeltrace 1/2] Move the bitfield test to tests/lib/
Jérémie Galarneau
jeremie.galarneau at efficios.com
Thu Feb 7 16:40:52 EST 2013
Signed-off-by: Jérémie Galarneau <jeremie.galarneau at efficios.com>
---
.gitignore | 2 +-
tests/Makefile.am | 4 -
tests/lib/Makefile.am | 3 +-
tests/lib/runall.sh | 5 +-
tests/lib/test-bitfield.c | 371 ++++++++++++++++++++++++++++++++++++++++++++++
tests/runall.sh | 7 -
tests/test-bitfield.c | 371 ----------------------------------------------
7 files changed, 378 insertions(+), 385 deletions(-)
create mode 100644 tests/lib/test-bitfield.c
delete mode 100644 tests/test-bitfield.c
diff --git a/.gitignore b/.gitignore
index 03443df..752308e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
-/tests/test-bitfield
+/tests/lib/test-bitfield
/tests/lib/test-seeks
*.o
*.a
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 47891e9..816fa66 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -2,10 +2,6 @@ AM_CFLAGS = $(PACKAGE_CFLAGS) -I$(top_srcdir)/include
SUBDIRS = lib
-noinst_PROGRAMS = test-bitfield
-
-test_bitfield_SOURCES = test-bitfield.c
-
EXTRA_DIST = runall.sh ctf-traces/**
check-am:
diff --git a/tests/lib/Makefile.am b/tests/lib/Makefile.am
index e9e264b..0613beb 100644
--- a/tests/lib/Makefile.am
+++ b/tests/lib/Makefile.am
@@ -8,9 +8,10 @@ test_seeks_LDADD = libtestcommon.a \
$(top_builddir)/lib/libbabeltrace.la \
$(top_builddir)/formats/ctf/libbabeltrace-ctf.la
-noinst_PROGRAMS = test-seeks
+noinst_PROGRAMS = test-seeks test-bitfield
test_seeks_SOURCES = test-seeks.c
+test_bitfield_SOURCES = test-bitfield.c
EXTRA_DIST = README.tap runall.sh
diff --git a/tests/lib/runall.sh b/tests/lib/runall.sh
index 34503bb..b5522ad 100755
--- a/tests/lib/runall.sh
+++ b/tests/lib/runall.sh
@@ -3,4 +3,7 @@
# With a trace than contains empty packets
./test-seeks ../ctf-traces/succeed/wk-heartbeat-u/ 1351532897586558519 1351532897591331194
# With a bigger trace
-./test-seeks ../ctf-traces/succeed/lttng-modules-2.0-pre5/ 61334174524234 61336381998396
\ No newline at end of file
+./test-seeks ../ctf-traces/succeed/lttng-modules-2.0-pre5/ 61334174524234 61336381998396
+
+# run bitfield tests
+./test-bitfield
diff --git a/tests/lib/test-bitfield.c b/tests/lib/test-bitfield.c
new file mode 100644
index 0000000..3bf7568
--- /dev/null
+++ b/tests/lib/test-bitfield.c
@@ -0,0 +1,371 @@
+/*
+ * test-bitfield.c
+ *
+ * BabelTrace - bitfield test program
+ *
+ * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; under version 2 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#define _GNU_SOURCE
+#include <babeltrace/bitfield.h>
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+unsigned int glob;
+
+/*
+ * This function is only declared to show the size of a bitfield write in
+ * objdump.
+ */
+void fct(void)
+{
+ bt_bitfield_write(&glob, unsigned int, 12, 15, 0x12345678);
+}
+
+/* Test array size, in bytes */
+#define TEST_LEN 128
+#define NR_TESTS 10
+
+unsigned int srcrand;
+
+#if defined(__i386) || defined(__x86_64)
+
+static inline int fls(int x)
+{
+ int r;
+ asm("bsrl %1,%0\n\t"
+ "cmovzl %2,%0"
+ : "=&r" (r) : "rm" (x), "rm" (-1));
+ return r + 1;
+}
+
+#elif defined(__PPC__)
+
+static __inline__ int fls(unsigned int x)
+{
+ int lz;
+
+ asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x));
+ return 32 - lz;
+}
+
+#else
+
+static int fls(unsigned int x)
+{
+ int r = 32;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xFFFF0000U)) {
+ x <<= 16;
+ r -= 16;
+ }
+ if (!(x & 0xFF000000U)) {
+ x <<= 8;
+ r -= 8;
+ }
+ if (!(x & 0xF0000000U)) {
+ x <<= 4;
+ r -= 4;
+ }
+ if (!(x & 0xC0000000U)) {
+ x <<= 2;
+ r -= 2;
+ }
+ if (!(x & 0x80000000U)) {
+ x <<= 1;
+ r -= 1;
+ }
+ return r;
+}
+
+#endif
+
+#define print_byte_array(c, len) \
+do { \
+ unsigned long i; \
+ \
+ for (i = 0; i < (len); i++) { \
+ printf("0x%X", (c)[i]); \
+ if (i != (len) - 1) \
+ printf(" "); \
+ } \
+ printf("\n"); \
+} while (0)
+
+#define init_byte_array(c, len, val) \
+do { \
+ unsigned long i; \
+ \
+ for (i = 0; i < (len); i++) \
+ (c)[i] = (val); \
+} while (0)
+
+int run_test_unsigned(void)
+{
+ unsigned int src, nrbits;
+ union {
+ unsigned char c[TEST_LEN];
+ unsigned short s[TEST_LEN/sizeof(unsigned short)];
+ unsigned int i[TEST_LEN/sizeof(unsigned int)];
+ unsigned long l[TEST_LEN/sizeof(unsigned long)];
+ unsigned long long ll[TEST_LEN/sizeof(unsigned long long)];
+ } target;
+ unsigned long long readval;
+ unsigned int s, l;
+ int err = 0;
+
+ printf("Running unsigned test with 0x%X\n", srcrand);
+
+ src = srcrand;
+ nrbits = fls(src);
+
+ for (s = 0; s < CHAR_BIT * TEST_LEN; s++) {
+ for (l = nrbits; l < (CHAR_BIT * TEST_LEN) - s; l++) {
+ init_byte_array(target.c, TEST_LEN, 0xFF);
+ bt_bitfield_write(target.c, unsigned char, s, l, src);
+ bt_bitfield_read(target.c, unsigned char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (bytewise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0xFF);
+ bt_bitfield_write(target.s, unsigned short, s, l, src);
+ bt_bitfield_read(target.c, unsigned char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (shortwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0xFF);
+ bt_bitfield_write(target.i, unsigned int, s, l, src);
+ bt_bitfield_read(target.c, unsigned char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (intwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0xFF);
+ bt_bitfield_write(target.l, unsigned long, s, l, src);
+ bt_bitfield_read(target.c, unsigned char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (longwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0xFF);
+ bt_bitfield_write(target.ll, unsigned long long, s, l, src);
+ bt_bitfield_read(target.c, unsigned char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+ }
+ }
+ if (!err)
+ printf("Success!\n");
+ else
+ printf("Failed!\n");
+ return err;
+}
+
+int run_test_signed(void)
+{
+ int src, nrbits;
+ union {
+ signed char c[TEST_LEN];
+ short s[TEST_LEN/sizeof(short)];
+ int i[TEST_LEN/sizeof(int)];
+ long l[TEST_LEN/sizeof(long)];
+ long long ll[TEST_LEN/sizeof(long long)];
+ } target;
+ long long readval;
+ unsigned int s, l;
+ int err = 0;
+
+ printf("Running signed test with 0x%X\n", srcrand);
+
+ src = srcrand;
+ if (src & 0x80000000U)
+ nrbits = fls(~src) + 1; /* Find least significant bit conveying sign */
+ else
+ nrbits = fls(src) + 1; /* Keep sign at 0 */
+
+ for (s = 0; s < 8 * TEST_LEN; s++) {
+ for (l = nrbits; l < (8 * TEST_LEN) - s; l++) {
+ init_byte_array(target.c, TEST_LEN, 0x0);
+ bt_bitfield_write(target.c, signed char, s, l, src);
+ bt_bitfield_read(target.c, signed char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (bytewise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0x0);
+ bt_bitfield_write(target.s, short, s, l, src);
+ bt_bitfield_read(target.c, signed char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (shortwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0x0);
+ bt_bitfield_write(target.i, int, s, l, src);
+ bt_bitfield_read(target.c, signed char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (intwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0x0);
+ bt_bitfield_write(target.l, long, s, l, src);
+ bt_bitfield_read(target.c, signed char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (longwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+
+ init_byte_array(target.c, TEST_LEN, 0x0);
+ bt_bitfield_write(target.ll, long long, s, l, src);
+ bt_bitfield_read(target.c, signed char, s, l, &readval);
+ if (readval != src) {
+ printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
+ src, readval, s, l);
+ print_byte_array(target.c, TEST_LEN);
+ err = 1;
+ }
+ }
+ }
+ if (!err)
+ printf("Success!\n");
+ else
+ printf("Failed!\n");
+ return err;
+}
+
+int run_test(void)
+{
+ int err = 0;
+ int i;
+
+ srand(time(NULL));
+
+ srcrand = 0;
+ err |= run_test_unsigned();
+ srcrand = 0;
+ err |= run_test_signed();
+ srcrand = 1;
+ err |= run_test_unsigned();
+ srcrand = ~0U;
+ err |= run_test_unsigned();
+ srcrand = -1;
+ err |= run_test_signed();
+ srcrand = (int)0x80000000U;
+ err |= run_test_signed();
+
+ for (i = 0; i < NR_TESTS; i++) {
+ srcrand = rand();
+ err |= run_test_unsigned();
+ err |= run_test_signed();
+ }
+ return err;
+}
+
+int main(int argc, char **argv)
+{
+ unsigned long src;
+ unsigned int shift, len;
+ int ret;
+ union {
+ unsigned char c[8];
+ unsigned short s[4];
+ unsigned int i[2];
+ unsigned long l[2];
+ unsigned long long ll[1];
+ } target;
+ unsigned long long readval;
+
+ if (argc > 1)
+ src = atoi(argv[1]);
+ else
+ src = 0x12345678;
+ if (argc > 2)
+ shift = atoi(argv[2]);
+ else
+ shift = 12;
+ if (argc > 3)
+ len = atoi(argv[3]);
+ else
+ len = 40;
+
+ target.i[0] = 0xFFFFFFFF;
+ target.i[1] = 0xFFFFFFFF;
+ bt_bitfield_write(target.c, unsigned char, shift, len, src);
+ printf("bytewise\n");
+ print_byte_array(target.c, 8);
+
+ target.i[0] = 0xFFFFFFFF;
+ target.i[1] = 0xFFFFFFFF;
+ bt_bitfield_write(target.s, unsigned short, shift, len, src);
+ printf("shortwise\n");
+ print_byte_array(target.c, 8);
+
+ target.i[0] = 0xFFFFFFFF;
+ target.i[1] = 0xFFFFFFFF;
+ bt_bitfield_write(target.i, unsigned int, shift, len, src);
+ printf("intwise\n");
+ print_byte_array(target.c, 8);
+
+ target.i[0] = 0xFFFFFFFF;
+ target.i[1] = 0xFFFFFFFF;
+ bt_bitfield_write(target.l, unsigned long, shift, len, src);
+ printf("longwise\n");
+ print_byte_array(target.c, 8);
+
+ target.i[0] = 0xFFFFFFFF;
+ target.i[1] = 0xFFFFFFFF;
+ bt_bitfield_write(target.ll, unsigned long long, shift, len, src);
+ printf("lluwise\n");
+ print_byte_array(target.c, 8);
+
+ bt_bitfield_read(target.c, unsigned char, shift, len, &readval);
+ printf("read: %llX\n", readval);
+
+ ret = run_test();
+
+ return ret;
+}
diff --git a/tests/runall.sh b/tests/runall.sh
index b2af656..9e0bdca 100755
--- a/tests/runall.sh
+++ b/tests/runall.sh
@@ -53,13 +53,6 @@ function run_babeltrace ()
return $?
}
-echo -e "Running test-bitfield..."
-./test-bitfield
-test_check
-if [ $? -ne 0 ]; then
- exit 1
-fi
-
#run babeltrace expects success
echo -e "Running babeltrace without argument..."
run_babeltrace
diff --git a/tests/test-bitfield.c b/tests/test-bitfield.c
deleted file mode 100644
index 3bf7568..0000000
--- a/tests/test-bitfield.c
+++ /dev/null
@@ -1,371 +0,0 @@
-/*
- * test-bitfield.c
- *
- * BabelTrace - bitfield test program
- *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; under version 2 of the License.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#define _GNU_SOURCE
-#include <babeltrace/bitfield.h>
-#include <time.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-unsigned int glob;
-
-/*
- * This function is only declared to show the size of a bitfield write in
- * objdump.
- */
-void fct(void)
-{
- bt_bitfield_write(&glob, unsigned int, 12, 15, 0x12345678);
-}
-
-/* Test array size, in bytes */
-#define TEST_LEN 128
-#define NR_TESTS 10
-
-unsigned int srcrand;
-
-#if defined(__i386) || defined(__x86_64)
-
-static inline int fls(int x)
-{
- int r;
- asm("bsrl %1,%0\n\t"
- "cmovzl %2,%0"
- : "=&r" (r) : "rm" (x), "rm" (-1));
- return r + 1;
-}
-
-#elif defined(__PPC__)
-
-static __inline__ int fls(unsigned int x)
-{
- int lz;
-
- asm ("cntlzw %0,%1" : "=r" (lz) : "r" (x));
- return 32 - lz;
-}
-
-#else
-
-static int fls(unsigned int x)
-{
- int r = 32;
-
- if (!x)
- return 0;
- if (!(x & 0xFFFF0000U)) {
- x <<= 16;
- r -= 16;
- }
- if (!(x & 0xFF000000U)) {
- x <<= 8;
- r -= 8;
- }
- if (!(x & 0xF0000000U)) {
- x <<= 4;
- r -= 4;
- }
- if (!(x & 0xC0000000U)) {
- x <<= 2;
- r -= 2;
- }
- if (!(x & 0x80000000U)) {
- x <<= 1;
- r -= 1;
- }
- return r;
-}
-
-#endif
-
-#define print_byte_array(c, len) \
-do { \
- unsigned long i; \
- \
- for (i = 0; i < (len); i++) { \
- printf("0x%X", (c)[i]); \
- if (i != (len) - 1) \
- printf(" "); \
- } \
- printf("\n"); \
-} while (0)
-
-#define init_byte_array(c, len, val) \
-do { \
- unsigned long i; \
- \
- for (i = 0; i < (len); i++) \
- (c)[i] = (val); \
-} while (0)
-
-int run_test_unsigned(void)
-{
- unsigned int src, nrbits;
- union {
- unsigned char c[TEST_LEN];
- unsigned short s[TEST_LEN/sizeof(unsigned short)];
- unsigned int i[TEST_LEN/sizeof(unsigned int)];
- unsigned long l[TEST_LEN/sizeof(unsigned long)];
- unsigned long long ll[TEST_LEN/sizeof(unsigned long long)];
- } target;
- unsigned long long readval;
- unsigned int s, l;
- int err = 0;
-
- printf("Running unsigned test with 0x%X\n", srcrand);
-
- src = srcrand;
- nrbits = fls(src);
-
- for (s = 0; s < CHAR_BIT * TEST_LEN; s++) {
- for (l = nrbits; l < (CHAR_BIT * TEST_LEN) - s; l++) {
- init_byte_array(target.c, TEST_LEN, 0xFF);
- bt_bitfield_write(target.c, unsigned char, s, l, src);
- bt_bitfield_read(target.c, unsigned char, s, l, &readval);
- if (readval != src) {
- printf("Error (bytewise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0xFF);
- bt_bitfield_write(target.s, unsigned short, s, l, src);
- bt_bitfield_read(target.c, unsigned char, s, l, &readval);
- if (readval != src) {
- printf("Error (shortwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0xFF);
- bt_bitfield_write(target.i, unsigned int, s, l, src);
- bt_bitfield_read(target.c, unsigned char, s, l, &readval);
- if (readval != src) {
- printf("Error (intwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0xFF);
- bt_bitfield_write(target.l, unsigned long, s, l, src);
- bt_bitfield_read(target.c, unsigned char, s, l, &readval);
- if (readval != src) {
- printf("Error (longwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0xFF);
- bt_bitfield_write(target.ll, unsigned long long, s, l, src);
- bt_bitfield_read(target.c, unsigned char, s, l, &readval);
- if (readval != src) {
- printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
- }
- }
- if (!err)
- printf("Success!\n");
- else
- printf("Failed!\n");
- return err;
-}
-
-int run_test_signed(void)
-{
- int src, nrbits;
- union {
- signed char c[TEST_LEN];
- short s[TEST_LEN/sizeof(short)];
- int i[TEST_LEN/sizeof(int)];
- long l[TEST_LEN/sizeof(long)];
- long long ll[TEST_LEN/sizeof(long long)];
- } target;
- long long readval;
- unsigned int s, l;
- int err = 0;
-
- printf("Running signed test with 0x%X\n", srcrand);
-
- src = srcrand;
- if (src & 0x80000000U)
- nrbits = fls(~src) + 1; /* Find least significant bit conveying sign */
- else
- nrbits = fls(src) + 1; /* Keep sign at 0 */
-
- for (s = 0; s < 8 * TEST_LEN; s++) {
- for (l = nrbits; l < (8 * TEST_LEN) - s; l++) {
- init_byte_array(target.c, TEST_LEN, 0x0);
- bt_bitfield_write(target.c, signed char, s, l, src);
- bt_bitfield_read(target.c, signed char, s, l, &readval);
- if (readval != src) {
- printf("Error (bytewise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0x0);
- bt_bitfield_write(target.s, short, s, l, src);
- bt_bitfield_read(target.c, signed char, s, l, &readval);
- if (readval != src) {
- printf("Error (shortwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0x0);
- bt_bitfield_write(target.i, int, s, l, src);
- bt_bitfield_read(target.c, signed char, s, l, &readval);
- if (readval != src) {
- printf("Error (intwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0x0);
- bt_bitfield_write(target.l, long, s, l, src);
- bt_bitfield_read(target.c, signed char, s, l, &readval);
- if (readval != src) {
- printf("Error (longwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
-
- init_byte_array(target.c, TEST_LEN, 0x0);
- bt_bitfield_write(target.ll, long long, s, l, src);
- bt_bitfield_read(target.c, signed char, s, l, &readval);
- if (readval != src) {
- printf("Error (longlongwise) src %X read %llX shift %d len %d\n",
- src, readval, s, l);
- print_byte_array(target.c, TEST_LEN);
- err = 1;
- }
- }
- }
- if (!err)
- printf("Success!\n");
- else
- printf("Failed!\n");
- return err;
-}
-
-int run_test(void)
-{
- int err = 0;
- int i;
-
- srand(time(NULL));
-
- srcrand = 0;
- err |= run_test_unsigned();
- srcrand = 0;
- err |= run_test_signed();
- srcrand = 1;
- err |= run_test_unsigned();
- srcrand = ~0U;
- err |= run_test_unsigned();
- srcrand = -1;
- err |= run_test_signed();
- srcrand = (int)0x80000000U;
- err |= run_test_signed();
-
- for (i = 0; i < NR_TESTS; i++) {
- srcrand = rand();
- err |= run_test_unsigned();
- err |= run_test_signed();
- }
- return err;
-}
-
-int main(int argc, char **argv)
-{
- unsigned long src;
- unsigned int shift, len;
- int ret;
- union {
- unsigned char c[8];
- unsigned short s[4];
- unsigned int i[2];
- unsigned long l[2];
- unsigned long long ll[1];
- } target;
- unsigned long long readval;
-
- if (argc > 1)
- src = atoi(argv[1]);
- else
- src = 0x12345678;
- if (argc > 2)
- shift = atoi(argv[2]);
- else
- shift = 12;
- if (argc > 3)
- len = atoi(argv[3]);
- else
- len = 40;
-
- target.i[0] = 0xFFFFFFFF;
- target.i[1] = 0xFFFFFFFF;
- bt_bitfield_write(target.c, unsigned char, shift, len, src);
- printf("bytewise\n");
- print_byte_array(target.c, 8);
-
- target.i[0] = 0xFFFFFFFF;
- target.i[1] = 0xFFFFFFFF;
- bt_bitfield_write(target.s, unsigned short, shift, len, src);
- printf("shortwise\n");
- print_byte_array(target.c, 8);
-
- target.i[0] = 0xFFFFFFFF;
- target.i[1] = 0xFFFFFFFF;
- bt_bitfield_write(target.i, unsigned int, shift, len, src);
- printf("intwise\n");
- print_byte_array(target.c, 8);
-
- target.i[0] = 0xFFFFFFFF;
- target.i[1] = 0xFFFFFFFF;
- bt_bitfield_write(target.l, unsigned long, shift, len, src);
- printf("longwise\n");
- print_byte_array(target.c, 8);
-
- target.i[0] = 0xFFFFFFFF;
- target.i[1] = 0xFFFFFFFF;
- bt_bitfield_write(target.ll, unsigned long long, shift, len, src);
- printf("lluwise\n");
- print_byte_array(target.c, 8);
-
- bt_bitfield_read(target.c, unsigned char, shift, len, &readval);
- printf("read: %llX\n", readval);
-
- ret = run_test();
-
- return ret;
-}
--
1.8.1.1
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