upstream commit

unit tests for KRL bitmap

5 files changed, 167 insertions, 7 deletions

diff --git a/regress/unittests/Makefile b/regress/unittests/Makefile
index bdb4574e2..722940a1b 100644
--- a/regress/unittests/Makefile
+++ b/regress/unittests/Makefile
@@ -1,5 +1,5 @@
 #       $OpenBSD: Makefile,v 1.1 2014/04/30 05:32:00 djm Exp $
 
-SUBDIR= test_helper sshbuf sshkey
+SUBDIR= test_helper sshbuf sshkey bitmap
 
 .include <bsd.subdir.mk>
diff --git a/regress/unittests/bitmap/Makefile b/regress/unittests/bitmap/Makefile
new file mode 100644
index 000000000..b704d22d6
--- /dev/null
+++ b/regress/unittests/bitmap/Makefile
@@ -0,0 +1,12 @@
+#       $OpenBSD: Makefile,v 1.1 2015/01/15 07:36:28 djm Exp $
+
+TEST_ENV=      "MALLOC_OPTIONS=AFGJPRX"
+
+PROG=test_bitmap
+SRCS=tests.c
+REGRESS_TARGETS=run-regress-${PROG}
+
+run-regress-${PROG}: ${PROG}
+        env ${TEST_ENV} ./${PROG}
+
+.include <bsd.regress.mk>
diff --git a/regress/unittests/bitmap/tests.c b/regress/unittests/bitmap/tests.c
new file mode 100644
index 000000000..6789661ce
--- /dev/null
+++ b/regress/unittests/bitmap/tests.c
@@ -0,0 +1,131 @@
+/*      $OpenBSD: tests.c,v 1.1 2015/01/15 07:36:28 djm Exp $ */
+/*
+ * Regress test for bitmap.h bitmap API
+ *
+ * Placed in the public domain
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/bn.h>
+
+#include "test_helper.h"
+
+#include "bitmap.h"
+
+#define NTESTS 131
+
+void
+tests(void)
+{
+        struct bitmap *b;
+        BIGNUM *bn;
+        size_t len;
+        int i, j, k, n;
+        u_char bbuf[1024], bnbuf[1024];
+        int r;
+
+        TEST_START("bitmap_new");
+        b = bitmap_new();
+        ASSERT_PTR_NE(b, NULL);
+        bn = BN_new();
+        ASSERT_PTR_NE(bn, NULL);
+        TEST_DONE();
+
+        TEST_START("bitmap_set_bit / bitmap_test_bit");
+        for (i = -1; i < NTESTS; i++) {
+                for (j = -1; j < NTESTS; j++) {
+                        for (k = -1; k < NTESTS; k++) {
+                                bitmap_zero(b);
+                                BN_clear(bn);
+
+                                test_subtest_info("set %d/%d/%d", i, j, k);
+                                /* Set bits */
+                                if (i >= 0) {
+                                        ASSERT_INT_EQ(bitmap_set_bit(b, i), 0);
+                                        ASSERT_INT_EQ(BN_set_bit(bn, i), 1);
+                                }
+                                if (j >= 0) {
+                                        ASSERT_INT_EQ(bitmap_set_bit(b, j), 0);
+                                        ASSERT_INT_EQ(BN_set_bit(bn, j), 1);
+                                }
+                                if (k >= 0) {
+                                        ASSERT_INT_EQ(bitmap_set_bit(b, k), 0);
+                                        ASSERT_INT_EQ(BN_set_bit(bn, k), 1);
+                                }
+
+                                /* Check perfect match between bitmap and bn */
+                                test_subtest_info("match %d/%d/%d", i, j, k);
+                                for (n = 0; n < NTESTS; n++) {
+                                        ASSERT_INT_EQ(BN_is_bit_set(bn, n),
+                                            bitmap_test_bit(b, n));
+                                }
+
+                                /* Test length calculations */
+                                test_subtest_info("length %d/%d/%d", i, j, k);
+                                ASSERT_INT_EQ(BN_num_bits(bn),
+                                    (int)bitmap_nbits(b));
+                                ASSERT_INT_EQ(BN_num_bytes(bn),
+                                    (int)bitmap_nbytes(b));
+
+                                /* Test serialisation */
+                                test_subtest_info("serialise %d/%d/%d",
+                                    i, j, k);
+                                len = bitmap_nbytes(b);
+                                memset(bbuf, 0xfc, sizeof(bbuf));
+                                ASSERT_INT_EQ(bitmap_to_string(b, bbuf,
+                                    sizeof(bbuf)), 0);
+                                for (n = len; n < (int)sizeof(bbuf); n++)
+                                        ASSERT_U8_EQ(bbuf[n], 0xfc);
+                                r = BN_bn2bin(bn, bnbuf);
+                                ASSERT_INT_GE(r, 0);
+                                ASSERT_INT_EQ(r, (int)len);
+                                ASSERT_MEM_EQ(bbuf, bnbuf, len);
+
+                                /* Test deserialisation */
+                                test_subtest_info("deserialise %d/%d/%d",
+                                    i, j, k);
+                                bitmap_zero(b);
+                                ASSERT_INT_EQ(bitmap_from_string(b, bnbuf,
+                                    len), 0);
+                                for (n = 0; n < NTESTS; n++) {
+                                        ASSERT_INT_EQ(BN_is_bit_set(bn, n),
+                                            bitmap_test_bit(b, n));
+                                }
+
+                                /* Test clearing bits */
+                                test_subtest_info("clear %d/%d/%d",
+                                    i, j, k);
+                                for (n = 0; n < NTESTS; n++) {
+                                        ASSERT_INT_EQ(bitmap_set_bit(b, n), 0);
+                                        ASSERT_INT_EQ(BN_set_bit(bn, n), 1);
+                                }
+                                if (i >= 0) {
+                                        bitmap_clear_bit(b, i);
+                                        BN_clear_bit(bn, i);
+                                }
+                                if (j >= 0) {
+                                        bitmap_clear_bit(b, j);
+                                        BN_clear_bit(bn, j);
+                                }
+                                if (k >= 0) {
+                                        bitmap_clear_bit(b, k);
+                                        BN_clear_bit(bn, k);
+                                }
+                                for (n = 0; n < NTESTS; n++) {
+                                        ASSERT_INT_EQ(BN_is_bit_set(bn, n),
+                                            bitmap_test_bit(b, n));
+                                }
+                        }
+                }
+        }
+        bitmap_free(b);
+        BN_free(bn);
+        TEST_DONE();
+}
+
diff --git a/regress/unittests/test_helper/test_helper.c b/regress/unittests/test_helper/test_helper.c
index 6f7f381c7..400555ed2 100644
--- a/regress/unittests/test_helper/test_helper.c
+++ b/regress/unittests/test_helper/test_helper.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: test_helper.c,v 1.3 2015/01/13 14:51:51 djm Exp $     */
+/*      $OpenBSD: test_helper.c,v 1.4 2015/01/15 07:36:28 djm Exp $     */
 /*
  * Copyright (c) 2011 Damien Miller <djm@mindrot.org>
  *
@@ -114,6 +114,7 @@ static u_int test_number = 0;
 static test_onerror_func_t *test_onerror = NULL;
 static void *onerror_ctx = NULL;
 static const char *data_dir = NULL;
+static char subtest_info[512];
 
 int
 main(int argc, char **argv)
@@ -185,8 +186,9 @@ test_data_file(const char *name)
 void
 test_info(char *s, size_t len)
 {
-        snprintf(s, len, "In test %u - \"%s\"\n", test_number,
-            active_test_name == NULL ? "<none>" : active_test_name);
+        snprintf(s, len, "In test %u: \"%s\"%s%s\n", test_number,
+            active_test_name == NULL ? "<none>" : active_test_name,
+            *subtest_info != '\0' ? " - " : "", subtest_info);
 }
 
 #ifdef SIGINFO
@@ -205,6 +207,7 @@ test_start(const char *n)
 {
         assert(active_test_name == NULL);
         assert((active_test_name = strdup(n)) != NULL);
+        *subtest_info = '\0';
         if (verbose_mode)
                 printf("test %u - \"%s\": ", test_number, active_test_name);
         test_number++;
@@ -223,6 +226,7 @@ set_onerror_func(test_onerror_func_t *f, void *ctx)
 void
 test_done(void)
 {
+        *subtest_info = '\0';
         assert(active_test_name != NULL);
         free(active_test_name);
         active_test_name = NULL;
@@ -235,6 +239,16 @@ test_done(void)
 }
 
 void
+test_subtest_info(const char *fmt, ...)
+{
+        va_list ap;
+
+        va_start(ap, fmt);
+        vsnprintf(subtest_info, sizeof(subtest_info), fmt, ap);
+        va_end(ap);
+}
+
+void
 ssl_err_check(const char *file, int line)
 {
         long openssl_error = ERR_get_error();
@@ -280,8 +294,9 @@ static void
 test_header(const char *file, int line, const char *a1, const char *a2,
     const char *name, enum test_predicate pred)
 {
-        fprintf(stderr, "\n%s:%d test #%u \"%s\"\n", 
-            file, line, test_number, active_test_name);
+        fprintf(stderr, "\n%s:%d test #%u \"%s\"%s%s\n", 
+            file, line, test_number, active_test_name,
+            *subtest_info != '\0' ? " - " : "", subtest_info);
         fprintf(stderr, "ASSERT_%s_%s(%s%s%s) failed:\n",
             name, pred_name(pred), a1,
             a2 != NULL ? ", " : "", a2 != NULL ? a2 : "");
diff --git a/regress/unittests/test_helper/test_helper.h b/regress/unittests/test_helper/test_helper.h
index b6a39ea3e..48c888ac3 100644
--- a/regress/unittests/test_helper/test_helper.h
+++ b/regress/unittests/test_helper/test_helper.h
@@ -1,4 +1,4 @@
-/*      $OpenBSD: test_helper.h,v 1.4 2015/01/13 14:51:51 djm Exp $     */
+/*      $OpenBSD: test_helper.h,v 1.5 2015/01/15 07:36:28 djm Exp $     */
 /*
  * Copyright (c) 2011 Damien Miller <djm@mindrot.org>
  *
@@ -43,6 +43,8 @@ void test_start(const char *n);
 void test_info(char *s, size_t len);
 void set_onerror_func(test_onerror_func_t *f, void *ctx);
 void test_done(void);
+void test_subtest_info(const char *fmt, ...)
+    __attribute__((format(printf, 1, 2)));
 void ssl_err_check(const char *file, int line);
 void assert_bignum(const char *file, int line,
     const char *a1, const char *a2,