Adding upstream version 1:9.11.5.P4+dfsg.upstream/1%9.11.5.P4+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 203 insertions, 0 deletions

diff --git a/lib/isc/tests/buffer_test.c b/lib/isc/tests/buffer_test.c
new file mode 100644
index 0000000..a2d76cc
--- /dev/null
+++ b/lib/isc/tests/buffer_test.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <atf-c.h>
+
+#include "isctest.h"
+
+#include <isc/buffer.h>
+#include <isc/result.h>
+
+ATF_TC(isc_buffer_reserve);
+ATF_TC_HEAD(isc_buffer_reserve, tc) {
+	atf_tc_set_md_var(tc, "descr", "reserve space in dynamic buffers");
+}
+
+ATF_TC_BODY(isc_buffer_reserve, tc) {
+	isc_result_t result;
+	isc_buffer_t *b;
+
+	result = isc_test_begin(NULL, true, 0);
+	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
+
+	b = NULL;
+	result = isc_buffer_allocate(mctx, &b, 1024);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_CHECK_EQ(b->length, 1024);
+
+	/*
+	 * 1024 bytes should already be available, so this call does
+	 * nothing.
+	 */
+	result = isc_buffer_reserve(&b, 1024);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 1024);
+
+	/*
+	 * This call should grow it to 2048 bytes as only 1024 bytes are
+	 * available in the buffer.
+	 */
+	result = isc_buffer_reserve(&b, 1025);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 2048);
+
+	/*
+	 * 2048 bytes should already be available, so this call does
+	 * nothing.
+	 */
+	result = isc_buffer_reserve(&b, 2000);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 2048);
+
+	/*
+	 * This call should grow it to 4096 bytes as only 2048 bytes are
+	 * available in the buffer.
+	 */
+	result = isc_buffer_reserve(&b, 3000);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 4096);
+
+	/* Consume some of the buffer so we can run the next test. */
+	isc_buffer_add(b, 4096);
+
+	/*
+	 * This call should fail and leave buffer untouched.
+	 */
+	result = isc_buffer_reserve(&b, UINT_MAX);
+	ATF_CHECK_EQ(result, ISC_R_NOMEMORY);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 4096);
+
+	isc_buffer_free(&b);
+
+	isc_test_end();
+}
+
+ATF_TC(isc_buffer_reallocate);
+ATF_TC_HEAD(isc_buffer_reallocate, tc) {
+	atf_tc_set_md_var(tc, "descr", "reallocate dynamic buffers");
+}
+
+ATF_TC_BODY(isc_buffer_reallocate, tc) {
+	isc_result_t result;
+	isc_buffer_t *b;
+
+	result = isc_test_begin(NULL, true, 0);
+	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
+
+	b = NULL;
+	result = isc_buffer_allocate(mctx, &b, 1024);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 1024);
+
+	result = isc_buffer_reallocate(&b, 512);
+	ATF_CHECK_EQ(result, ISC_R_NOSPACE);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 1024);
+
+	result = isc_buffer_reallocate(&b, 1536);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_CHECK(ISC_BUFFER_VALID(b));
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, 1536);
+
+	isc_buffer_free(&b);
+
+	isc_test_end();
+}
+
+ATF_TC(isc_buffer_dynamic);
+ATF_TC_HEAD(isc_buffer_dynamic, tc) {
+	atf_tc_set_md_var(tc, "descr", "dynamic buffer automatic reallocation");
+}
+
+ATF_TC_BODY(isc_buffer_dynamic, tc) {
+	isc_result_t result;
+	isc_buffer_t *b;
+	size_t last_length = 10;
+	int i;
+
+	result = isc_test_begin(NULL, true, 0);
+	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
+
+	b = NULL;
+	result = isc_buffer_allocate(mctx, &b, last_length);
+	ATF_CHECK_EQ(result, ISC_R_SUCCESS);
+	ATF_REQUIRE(b != NULL);
+	ATF_CHECK_EQ(b->length, last_length);
+
+	isc_buffer_setautorealloc(b, true);
+
+	isc_buffer_putuint8(b, 1);
+
+	for (i = 0; i < 1000; i++) {
+		isc_buffer_putstr(b, "thisisa24charslongstring");
+	}
+	ATF_CHECK(b->length-last_length >= 1000*24);
+	last_length+=1000*24;
+
+	for (i = 0; i < 10000; i++) {
+		isc_buffer_putuint8(b, 1);
+	}
+
+	ATF_CHECK(b->length-last_length >= 10000*1);
+	last_length += 10000*1;
+
+	for (i = 0; i < 10000; i++) {
+		isc_buffer_putuint16(b, 1);
+	}
+
+	ATF_CHECK(b->length-last_length >= 10000*2);
+
+	last_length += 10000*2;
+	for (i = 0; i < 10000; i++) {
+		isc_buffer_putuint24(b, 1);
+	}
+	ATF_CHECK(b->length-last_length >= 10000*3);
+
+	last_length+=10000*3;
+
+	for (i = 0; i < 10000; i++) {
+		isc_buffer_putuint32(b, 1);
+	}
+	ATF_CHECK(b->length-last_length >= 10000*4);
+
+
+	isc_buffer_free(&b);
+
+	isc_test_end();
+}
+
+/*
+ * Main
+ */
+ATF_TP_ADD_TCS(tp) {
+	ATF_TP_ADD_TC(tp, isc_buffer_reserve);
+	ATF_TP_ADD_TC(tp, isc_buffer_reallocate);
+	ATF_TP_ADD_TC(tp, isc_buffer_dynamic);
+	return (atf_no_error());
+}