bus: beef up zero copy test case

[elogind.git] / src / libsystemd-bus / test-bus-zero-copy.c

diff --git a/src/libsystemd-bus/test-bus-zero-copy.c b/src/libsystemd-bus/test-bus-zero-copy.c
index 5a9f45489ecdf53de20b44db617644cb6798356c..0b72fe5e7a11986a00444f410d7d6473531005a0 100644 (file)
--- a/src/libsystemd-bus/test-bus-zero-copy.c
+++ b/src/libsystemd-bus/test-bus-zero-copy.c
@@ -30,19 +30,28 @@
 #include "bus-message.h"
 #include "bus-error.h"
 #include "bus-kernel.h"
+#include "bus-dump.h"
+
+#define FIRST_ARRAY 17
+#define SECOND_ARRAY 33
+
+#define STRING_SIZE 123
 
 int main(int argc, char *argv[]) {
         _cleanup_free_ char *bus_name = NULL, *address = NULL;
-        void *p;
+        uint8_t *p;
         sd_bus *a, *b;
         int r, bus_ref;
         sd_bus_message *m;
         sd_memfd *f;
         uint64_t sz;
+        uint32_t u32;
+        size_t i, l;
+        char *s;
 
         log_set_max_level(LOG_DEBUG);
 
-        bus_ref = bus_kernel_create("deine-mutter", &bus_name);
+        bus_ref = bus_kernel_create_bus("deine-mutter", &bus_name);
         if (bus_ref == -ENOENT)
                 return EXIT_TEST_SKIP;
 
@@ -72,23 +81,46 @@ int main(int argc, char *argv[]) {
         r = sd_bus_message_new_method_call(b, ":1.1", "/a/path", "an.inter.face", "AMethod", &m);
         assert_se(r >= 0);
 
-        r = sd_bus_message_open_container(m, 'r', "ayay");
+        r = sd_bus_message_open_container(m, 'r', "aysay");
+        assert_se(r >= 0);
+
+        r = sd_bus_message_append_array_space(m, 'y', FIRST_ARRAY, (void**) &p);
+        assert_se(r >= 0);
+
+        p[0] = '<';
+        memset(p+1, 'L', FIRST_ARRAY-2);
+        p[FIRST_ARRAY-1] = '>';
+
+        r = sd_memfd_new_and_map(&f, STRING_SIZE, (void**) &s);
+        assert_se(r >= 0);
+
+        s[0] = '<';
+        for (i = 1; i < STRING_SIZE-2; i++)
+                s[i] = '0' + (i % 10);
+        s[STRING_SIZE-2] = '>';
+        s[STRING_SIZE-1] = 0;
+        munmap(s, STRING_SIZE);
+
+        r = sd_memfd_get_size(f, &sz);
         assert_se(r >= 0);
+        assert_se(sz == STRING_SIZE);
 
-        r = sd_bus_message_append_array_space(m, 'y', 32, &p);
+        r = sd_bus_message_append_string_memfd(m, f);
         assert_se(r >= 0);
 
-        memset(p, 'L', 32);
+        sd_memfd_free(f);
 
-        r = sd_memfd_new_and_map(&f, 17, &p);
+        r = sd_memfd_new_and_map(&f, SECOND_ARRAY, (void**) &p);
         assert_se(r >= 0);
 
-        memset(p, 'P', 17);
-        munmap(p, 17);
+        p[0] = '<';
+        memset(p+1, 'P', SECOND_ARRAY-2);
+        p[SECOND_ARRAY-1] = '>';
+        munmap(p, SECOND_ARRAY);
 
         r = sd_memfd_get_size(f, &sz);
         assert_se(r >= 0);
-        assert_se(sz == 17);
+        assert_se(sz == SECOND_ARRAY);
 
         r = sd_bus_message_append_array_memfd(m, 'y', f);
         assert_se(r >= 0);
@@ -104,7 +136,7 @@ int main(int argc, char *argv[]) {
         r = bus_message_seal(m, 55);
         assert_se(r >= 0);
 
-        bus_message_dump(m);
+        bus_message_dump(m, stdout, true);
 
         r = sd_bus_send(b, m, NULL);
         assert_se(r >= 0);
@@ -114,7 +146,46 @@ int main(int argc, char *argv[]) {
         r = sd_bus_process(a, &m);
         assert_se(r > 0);
 
-        bus_message_dump(m);
+        bus_message_dump(m, stdout, true);
+        sd_bus_message_rewind(m, true);
+
+        r = sd_bus_message_enter_container(m, 'r', "aysay");
+        assert_se(r > 0);
+
+        r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l);
+        assert_se(r > 0);
+        assert_se(l == FIRST_ARRAY);
+
+        assert_se(p[0] == '<');
+        for (i = 1; i < l-1; i++)
+                assert_se(p[i] == 'L');
+        assert_se(p[l-1] == '>');
+
+        r = sd_bus_message_read(m, "s", &s);
+        assert_se(r > 0);
+
+        assert_se(s[0] == '<');
+        for (i = 1; i < STRING_SIZE-2; i++)
+                assert_se(s[i] == (char) ('0' + (i % 10)));
+        assert_se(s[STRING_SIZE-2] == '>');
+        assert_se(s[STRING_SIZE-1] == 0);
+
+        r = sd_bus_message_read_array(m, 'y', (const void**) &p, &l);
+        assert_se(r > 0);
+        assert_se(l == SECOND_ARRAY);
+
+        assert_se(p[0] == '<');
+        for (i = 1; i < l-1; i++)
+                assert_se(p[i] == 'P');
+        assert_se(p[l-1] == '>');
+
+        r = sd_bus_message_exit_container(m);
+        assert_se(r > 0);
+
+        r = sd_bus_message_read(m, "u", &u32);
+        assert_se(r > 0);
+        assert_se(u32 == 4711);
+
         sd_bus_message_unref(m);
 
         sd_bus_unref(a);