From c80f99bc68520697421ff6dae3e90b8e3b39abcc Mon Sep 17 00:00:00 2001
From: Dmitry Podgorny <pasis.ua@gmail.com>
Date: Sun, 4 Sep 2016 00:52:37 +0300
Subject: [PATCH] tests: add tests for string functions

---
 .gitignore          |   1 +
 Makefile.am         |   7 ++-
 tests/test_string.c | 116 ++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 123 insertions(+), 1 deletion(-)
 create mode 100644 tests/test_string.c

diff --git a/.gitignore b/.gitignore
index 5ad3569..960cd92 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,6 +53,7 @@ tests/test_sasl
 tests/test_scram
 tests/test_sha1
 tests/test_snprintf
+tests/test_string
 tests/test_sock
 m4/
 libstrophe.project
diff --git a/Makefile.am b/Makefile.am
index 49ab604..b6753b8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -77,7 +77,7 @@ examples_uuid_LDADD = $(STROPHE_LIBS)
 ## Tests
 TESTS = tests/check_parser tests/test_sha1 tests/test_md5 tests/test_rand \
 	tests/test_scram tests/test_ctx tests/test_base64 tests/test_jid \
-	tests/test_snprintf tests/test_resolver
+	tests/test_snprintf tests/test_string tests/test_resolver
 check_PROGRAMS = $(TESTS)
 
 tests_check_parser_SOURCES = tests/check_parser.c tests/test.h
@@ -120,3 +120,8 @@ tests_test_md5_CFLAGS = -I$(top_srcdir)/src
 
 tests_test_snprintf_SOURCES = tests/test_snprintf.c
 tests_test_snprintf_CFLAGS = -I$(top_srcdir)/src
+
+tests_test_string_SOURCES = tests/test_string.c tests/test.h
+tests_test_string_CFLAGS = $(STROPHE_FLAGS) -I$(top_srcdir)/src
+tests_test_string_LDADD = $(STROPHE_LIBS)
+tests_test_string_LDFLAGS = -static
diff --git a/tests/test_string.c b/tests/test_string.c
new file mode 100644
index 0000000..f7993da
--- /dev/null
+++ b/tests/test_string.c
@@ -0,0 +1,116 @@
+/* test_string.c
+ * strophe XMPP client library -- tests for re-implemented string functions
+ *
+ * Copyright (C) 2016 Dmitry Podgorny <pasis.ua@gmail.com>
+ *
+ *  This software is provided AS-IS with no warranty, either express
+ *  or implied.
+ *
+ *  This program is dual licensed under the MIT and GPLv3 licenses.
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "strophe.h"
+#include "common.h"
+#include "util.h"
+
+#include "test.h" /* ARRAY_SIZE */
+
+static int test_strtok_r(void)
+{
+    const char *test = "-abc-=-def--";
+    char *s1, *s2, *sub1, *sub2;
+    char *sp1, *sp2;
+
+    s1 = strdup(test);
+    s2 = strdup(test);
+    assert(strcmp(s1, s2) == 0);
+
+    sub1 = strtok_r(s1, "-", &sp1);
+    sub2 = xmpp_strtok_r(s2, "-", &sp2);
+    if (strcmp(sub1, sub2) != 0) {
+        printf("1st token is '%s', must be '%s'\n", sub2, sub1);
+        return -1;
+    }
+    sub1 = strtok_r(NULL, "-=", &sp1);
+    sub2 = xmpp_strtok_r(NULL, "-=", &sp2);
+    if (strcmp(sub1, sub2) != 0) {
+        printf("2nd token is '%s', must be '%s'\n", sub2, sub1);
+        return -1;
+    }
+    sub1 = strtok_r(NULL, "-", &sp1);
+    sub2 = xmpp_strtok_r(NULL, "-", &sp2);
+    if (sub1 != sub2) {
+        printf("3rd call returns %p instead of NULL\n", sub2);
+        return -1;
+    }
+
+    free(s1);
+    free(s2);
+
+    return 0;
+}
+
+static int test_strdup_one(xmpp_ctx_t *ctx, const char *s)
+{
+    char *s1, *s2;
+    int rc;
+
+    s1 = strdup(s);
+    s2 = xmpp_strdup(ctx, s);
+
+    if (!s1 || !s2 || strcmp(s1, s2) != 0) {
+        rc = -1;
+        printf("strdup: '%s', xmpp_strdup: '%s'\n",
+               s1 ? s1 : "<NULL>", s2 ? s2 : "<NULL>");
+    }
+
+    free(s1);
+    if (s2)
+        xmpp_free(ctx, s2);
+
+    return rc;
+}
+
+static int test_strdup(void)
+{
+    xmpp_ctx_t *ctx;
+    int i;
+    int rc = 0;
+
+    static const char *tests[] = { "", "\0", "test", "s p a c e", "\n\r" };
+
+    ctx = xmpp_ctx_new(NULL, NULL);
+    assert(ctx != NULL);
+    for (i = 0; i < ARRAY_SIZE(tests); ++i) {
+        rc = test_strdup_one(ctx, tests[i]);
+        if (rc != 0)
+            break;
+    }
+    xmpp_ctx_free(ctx);
+
+    return rc;
+}
+
+int main()
+{
+    int rc;
+
+    printf("xmpp_strtok_r() tests... ");
+    rc = test_strtok_r();
+    if (rc != 0)
+        return 1;
+    printf("ok\n");
+
+    printf("xmpp_strdup() tests... ");
+    rc = test_strdup();
+    if (rc != 0)
+        return 1;
+    printf("ok\n");
+
+    return 0;
+}