From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 17 Dec 2018 10:52:51 +0000 (+0100)
Subject: test: add test case for read_nul_string()
X-Git-Tag: v240~23^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3946d5762f801c037eade25873eb10ab946d56cd;p=platform%2Fupstream%2Fsystemd.git

test: add test case for read_nul_string()
---

diff --git a/src/test/test-fileio.c b/src/test/test-fileio.c
index fd0cc27..b3f1f0a 100644
--- a/src/test/test-fileio.c
+++ b/src/test/test-fileio.c
@@ -748,6 +748,40 @@ static void test_read_line4(void) {
         }
 }
 
+static void test_read_nul_string(void) {
+        static const char test[] = "string nr. 1\0"
+                "string nr. 2\n\0"
+                "empty string follows\0"
+                "\0"
+                "final string\n is empty\0"
+                "\0";
+
+        _cleanup_fclose_ FILE *f = NULL;
+        _cleanup_free_ char *s = NULL;
+
+        assert_se(f = fmemopen((void*) test, sizeof(test)-1, "r"));
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 13 && streq_ptr(s, "string nr. 1"));
+        s = mfree(s);
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 14 && streq_ptr(s, "string nr. 2\n"));
+        s = mfree(s);
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 21 && streq_ptr(s, "empty string follows"));
+        s = mfree(s);
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 1 && streq_ptr(s, ""));
+        s = mfree(s);
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 23 && streq_ptr(s, "final string\n is empty"));
+        s = mfree(s);
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 1 && streq_ptr(s, ""));
+        s = mfree(s);
+
+        assert_se(read_nul_string(f, LONG_LINE_MAX, &s) == 0 && streq_ptr(s, ""));
+}
+
 int main(int argc, char *argv[]) {
         test_setup_logging(LOG_DEBUG);
 
@@ -771,6 +805,7 @@ int main(int argc, char *argv[]) {
         test_read_line2();
         test_read_line3();
         test_read_line4();
+        test_read_nul_string();
 
         return 0;
 }