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+
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+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
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+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
--- /dev/null
+/*
+ * We test the functions provided in alloc.c here. These are very
+ * basic functions, and it is very important that they work correctly.
+ *
+ * You can see two different styles of testing:
+ *
+ * - In the first, we have a single test for each function that tests
+ * all of the possible ways it can operate. (This is the case for
+ * the buffer tests.)
+ *
+ * - In the second, we have a separate test for each of the ways a
+ * function can operate. (This is the case for the data_string
+ * tests.)
+ *
+ * The advantage of a single test per function is that you have fewer
+ * tests, and less duplicated and extra code. The advantage of having
+ * a separate test is that each test is simpler. Plus if you need to
+ * allow certain tests to fail for some reason (known bugs that are
+ * hard to fix for example), then
+ */
+
+/* TODO: dmalloc() test */
+
+#include "config.h"
+#include "t_api.h"
+
+#include "dhcpd.h"
+
+static void test_buffer_allocate(void);
+static void test_buffer_reference(void);
+static void test_buffer_dereference(void);
+static void test_data_string_forget(void);
+static void test_data_string_forget_nobuf(void);
+static void test_data_string_copy(void);
+static void test_data_string_copy_nobuf(void);
+
+/*
+ * T_testlist is a list of tests that are invoked.
+ */
+testspec_t T_testlist[] = {
+ { test_buffer_allocate,
+ "buffer_allocate()" },
+ { test_buffer_reference,
+ "buffer_reference()" },
+ { test_buffer_dereference,
+ "buffer_dereference()" },
+ { test_data_string_forget,
+ "data_string_forget()" },
+ { test_data_string_forget_nobuf,
+ "data_string_forget(), no buffer" },
+ { test_data_string_copy,
+ "data_string_copy()" },
+ { test_data_string_copy_nobuf,
+ "data_string_copy(), no buffer" },
+ { NULL, NULL }
+};
+
+static void
+test_buffer_allocate(void) {
+ static const char *test_desc =
+ "buffer_allocate basic test";
+
+ struct buffer *buf;
+
+ t_assert("buffer_allocate", 1, T_REQUIRED, test_desc);
+
+ /*
+ * Check a 0-length buffer.
+ */
+ buf = NULL;
+ if (!buffer_allocate(&buf, 0, MDL)) {
+ t_info("failed on 0-len buffer\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (!buffer_dereference(&buf, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (buf != NULL) {
+ t_info("buffer_dereference() did not NULL-out buffer\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * Check an actual buffer.
+ */
+ buf = NULL;
+ if (!buffer_allocate(&buf, 100, MDL)) {
+ t_info("failed on allocate\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (!buffer_dereference(&buf, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (buf != NULL) {
+ t_info("buffer_dereference() did not NULL-out buffer\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * Okay, we're happy.
+ */
+ t_result(T_PASS);
+}
+
+static void
+test_buffer_reference(void) {
+ static const char *test_desc =
+ "buffer_reference basic test";
+ int result = T_PASS;
+
+ struct buffer *a, *b;
+
+ t_assert("buffer_reference", 1, T_REQUIRED, test_desc);
+
+ /*
+ * Create a buffer.
+ */
+ a = NULL;
+ if (!buffer_allocate(&a, 100, MDL)) {
+ t_info("failed on allocate\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * Confirm buffer_reference() doesn't work if we pass in NULL.
+ *
+ * TODO: we should confirm we get an error message here.
+ */
+ if (buffer_reference(NULL, a, MDL)) {
+ t_info("succeeded on an error input\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * TODO: we should confirm we get an error message if we pass
+ * a non-NULL target.
+ */
+
+ /*
+ * Confirm we work under normal circumstances.
+ */
+ b = NULL;
+ if (!buffer_reference(&b, a, MDL)) {
+ t_info("buffer_reference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ if (b != a) {
+ t_info("incorrect pointer\n");
+ result = T_FAIL;
+ }
+ if (b->refcnt != 2) {
+ t_info("incorrect refcnt\n");
+ result = T_FAIL;
+ }
+
+ /*
+ * Clean up.
+ */
+ if (!buffer_dereference(&b, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (!buffer_dereference(&a, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ t_result(result);
+}
+
+static void
+test_buffer_dereference(void) {
+ static const char *test_desc =
+ "buffer_dereference basic test";
+
+ struct buffer *a, *b;
+
+ t_assert("buffer_dereference", 1, T_REQUIRED, test_desc);
+
+ /*
+ * Confirm buffer_dereference() doesn't work if we pass in NULL.
+ *
+ * TODO: we should confirm we get an error message here.
+ */
+ if (buffer_dereference(NULL, MDL)) {
+ t_info("succeeded on an error input\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * Confirm buffer_dereference() doesn't work if we pass in
+ * a pointer to NULL.
+ *
+ * TODO: we should confirm we get an error message here.
+ */
+ a = NULL;
+ if (buffer_dereference(&a, MDL)) {
+ t_info("succeeded on an error input\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * Confirm we work under normal circumstances.
+ */
+ a = NULL;
+ if (!buffer_allocate(&a, 100, MDL)) {
+ t_info("failed on allocate\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (!buffer_dereference(&a, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (a != NULL) {
+ t_info("non-null buffer after buffer_dereference()\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ /*
+ * Confirm we get an error from negative refcnt.
+ *
+ * TODO: we should confirm we get an error message here.
+ */
+ a = NULL;
+ if (!buffer_allocate(&a, 100, MDL)) {
+ t_info("failed on allocate\n");
+ t_result(T_FAIL);
+ return;
+ }
+ b = NULL;
+ if (!buffer_reference(&b, a, MDL)) {
+ t_info("buffer_reference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ a->refcnt = 0; /* purposely set to invalid value */
+ if (buffer_dereference(&a, MDL)) {
+ t_info("buffer_dereference() succeeded on error input\n");
+ t_result(T_FAIL);
+ return;
+ }
+ a->refcnt = 2;
+ if (!buffer_dereference(&b, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (!buffer_dereference(&a, MDL)) {
+ t_info("buffer_dereference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ t_result(T_PASS);
+}
+
+static void
+test_data_string_forget(void) {
+ static const char *test_desc =
+ "data_string_forget basic test";
+ int result = T_PASS;
+
+ struct buffer *buf;
+ struct data_string a;
+ const char *str = "Lorem ipsum dolor sit amet turpis duis.";
+
+ t_assert("data_string_forget", 1, T_REQUIRED, test_desc);
+
+ /*
+ * Create the string we want to forget.
+ */
+ memset(&a, 0, sizeof(a));
+ a.len = strlen(str);
+ buf = NULL;
+ if (!buffer_allocate(&buf, a.len, MDL)) {
+ t_info("out of memory\n");
+ t_result(T_FAIL);
+ return;
+ }
+ if (!buffer_reference(&a.buffer, buf, MDL)) {
+ t_info("buffer_reference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+ a.data = a.buffer->data;
+ memcpy(a.buffer->data, str, a.len);
+
+ /*
+ * Forget and confirm we've forgotten.
+ */
+ data_string_forget(&a, MDL);
+
+ if (a.len != 0) {
+ t_info("incorrect length\n");
+ result = T_FAIL;
+ }
+ if (a.data != NULL) {
+ t_info("incorrect data\n");
+ result = T_FAIL;
+ }
+ if (a.terminated) {
+ t_info("incorrect terminated\n");
+ result = T_FAIL;
+ }
+ if (a.buffer != NULL) {
+ t_info("incorrect buffer\n");
+ result = T_FAIL;
+ }
+ if (buf->refcnt != 1) {
+ t_info("too many references to buf\n");
+ result = T_FAIL;
+ }
+
+ /*
+ * Clean up buffer.
+ */
+ if (!buffer_dereference(&buf, MDL)) {
+ t_info("buffer_reference() failed\n");
+ t_result(T_FAIL);
+ return;
+ }
+
+ t_result(result);
+}
+
+static void
+test_data_string_forget_nobuf(void) {
+ static const char *test_desc =
+ "data_string_forget test, data_string without buffer";
+ int result = T_PASS;
+
+ struct data_string a;
+ const char *str = "Lorem ipsum dolor sit amet massa nunc.";
+
+ t_assert("data_string_forget, no buffer", 1, T_REQUIRED, test_desc);
+
+ /*
+ * Create the string we want to forget.
+ */
+ memset(&a, 0, sizeof(a));
+ a.len = strlen(str);
+ a.data = (const unsigned char *)str;
+ a.terminated = 1;
+
+ /*
+ * Forget and confirm we've forgotten.
+ */
+ data_string_forget(&a, MDL);
+
+ if (a.len != 0) {
+ t_info("incorrect length\n");
+ result = T_FAIL;
+ }
+ if (a.data != NULL) {
+ t_info("incorrect data\n");
+ result = T_FAIL;
+ }
+ if (a.terminated) {
+ t_info("incorrect terminated\n");
+ result = T_FAIL;
+ }
+ if (a.buffer != NULL) {
+ t_info("incorrect buffer\n");
+ result = T_FAIL;
+ }
+
+ t_result(result);
+}
+
+static void
+test_data_string_copy(void) {
+ static const char *test_desc =
+ "data_string_copy basic test";
+ int result = T_PASS;
+
+ struct data_string a, b;
+ const char *str = "Lorem ipsum dolor sit amet orci aliquam.";
+
+ t_assert("data_string_copy", 1, T_REQUIRED, test_desc);
+
+
+ /*
+ * Create the string we want to copy.
+ */
+ memset(&a, 0, sizeof(a));
+ a.len = strlen(str);
+ if (!buffer_allocate(&a.buffer, a.len, MDL)) {
+ t_info("out of memory\n");
+ t_result(T_FAIL);
+ return;
+ }
+ a.data = a.buffer->data;
+ memcpy(a.buffer->data, str, a.len);
+
+ /*
+ * Copy the string, and confirm it works.
+ */
+ memset(&b, 0, sizeof(b));
+ data_string_copy(&b, &a, MDL);
+
+ if (b.len != a.len) {
+ t_info("incorrect length\n");
+ result = T_FAIL;
+ }
+ if (b.data != a.data) {
+ t_info("incorrect data\n");
+ result = T_FAIL;
+ }
+ if (b.terminated != a.terminated) {
+ t_info("incorrect terminated\n");
+ result = T_FAIL;
+ }
+ if (b.buffer != a.buffer) {
+ t_info("incorrect buffer\n");
+ result = T_FAIL;
+ }
+
+ /*
+ * Clean up.
+ */
+ data_string_forget(&b, MDL);
+ data_string_forget(&a, MDL);
+
+ t_result(result);
+}
+
+static void
+test_data_string_copy_nobuf(void) {
+ static const char *test_desc =
+ "data_string_copy test, data_string without buffer";
+ int result = T_PASS;
+
+ struct data_string a, b;
+ const char *str = "Lorem ipsum dolor sit amet cras amet.";
+
+ t_assert("data_string_copy, no buffer", 1, T_REQUIRED, test_desc);
+
+
+ /*
+ * Create the string we want to copy.
+ */
+ memset(&a, 0, sizeof(a));
+ a.len = strlen(str);
+ a.data = (const unsigned char *)str;
+ a.terminated = 1;
+
+ /*
+ * Copy the string, and confirm it works.
+ */
+ memset(&b, 0, sizeof(b));
+ data_string_copy(&b, &a, MDL);
+
+ if (b.len != a.len) {
+ t_info("incorrect length\n");
+ result = T_FAIL;
+ }
+ if (b.data != a.data) {
+ t_info("incorrect data\n");
+ result = T_FAIL;
+ }
+ if (b.terminated != a.terminated) {
+ t_info("incorrect terminated\n");
+ result = T_FAIL;
+ }
+ if (b.buffer != a.buffer) {
+ t_info("incorrect buffer\n");
+ result = T_FAIL;
+ }
+
+ /*
+ * Clean up.
+ */
+ data_string_forget(&b, MDL);
+ data_string_forget(&a, MDL);
+
+ t_result(result);
+}
projects / thirdparty / dhcp.git / commitdiff
