Using scanner to have current code of wl_buffer_* static function,
test their behaviour
---
src/connection.c | 3 ++
tests/Makefile.am | 5 +++-
tests/test-runner/Makefile.am | 1 +
tests/wl_buffer-test.c | 64 +++++++++++++++++++++++++++++++++++++++++++
4 files changed, 72 insertions(+), 1 deletion(-)
create mode 100644 tests/wl_buffer-test.c
diff --git a/src/connection.c b/src/connection.c
index 1d8b61b..644fb1f 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -44,6 +44,7 @@
#define DIV_ROUNDUP(n, a) ( ((n) + ((a) - 1)) / (a) )
+WL_EXPORT_TEST
struct wl_buffer {
char data[4096];
uint32_t head, tail;
@@ -61,6 +62,7 @@ struct wl_connection {
int want_flush;
};
+WL_EXPORT_TEST
static void
wl_buffer_put(struct wl_buffer *b, const void *data, size_t count)
{
@@ -141,6 +143,7 @@ wl_buffer_copy(struct wl_buffer *b, void *data, size_t
count)
}
}
+WL_EXPORT_TEST
static uint32_t
wl_buffer_size(struct wl_buffer *b)
{
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4a999b9..6e2001c 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,6 @@
SUBDIRS = test-runner
test_runner_dir = $(top_builddir)/tests/test-runner
+tests_private = $(test_runner_dir)/tests-private.c
TESTS = \
array-test \
@@ -15,7 +16,8 @@ TESTS = \
socket-test \
queue-test \
signal-test \
- resources-test
+ resources-test \
+ wl_buffer-test
check_PROGRAMS = \
$(TESTS) \
@@ -37,6 +39,7 @@ socket_test_SOURCES = socket-test.c
queue_test_SOURCES = queue-test.c
signal_test_SOURCES = signal-test.c
resources_test_SOURCES = resources-test.c
+wl_buffer_test_SOURCES = wl_buffer-test.c $(tests_private)
fixed_benchmark_SOURCES = fixed-benchmark.c
diff --git a/tests/test-runner/Makefile.am b/tests/test-runner/Makefile.am
index bd7c292..8333bb2 100644
--- a/tests/test-runner/Makefile.am
+++ b/tests/test-runner/Makefile.am
@@ -10,6 +10,7 @@ libtest_helpers_la_SOURCES = \
test-helpers.c
scanner_input_files = \
+ $(top_srcdir)/src/connection.c \
scanner-tests.c
noinst_PROGRAMS = scanner-tests
diff --git a/tests/wl_buffer-test.c b/tests/wl_buffer-test.c
new file mode 100644
index 0000000..39c42dd
--- /dev/null
+++ b/tests/wl_buffer-test.c
@@ -0,0 +1,64 @@
+#include "test-runner.h"
+#include "tests-private.h"
+
+/* Assert with formated output */
+#define assertf(cond, ...)
\
+ do {
\
+ if (!(cond)) {
\
+ fprintf(stderr, "%s (%s: %d): Assertion %s failed!",
\
+ __FUNCTION__, __FILE__, __LINE__,
#cond);\
+ fprintf(stderr, " " __VA_ARGS__);
\
+ putc('\n', stderr);
\
+ abort();
\
+ }
\
+ } while (0)
+
+static const char data[] = "abcdefghijklmnopqrstuvwxyz";
+
+TEST(wl_buffer_put_tst)
+{
+ struct wl_buffer b = {.head = 0, .tail = 0};
+ size_t index;
+
+ assert(wl_buffer_size(&b) == 0);
+
+ int i;
+ for (i = 1; i * (sizeof data) <= sizeof b.data; i++) {
+ wl_buffer_put(&b, data, sizeof data);
+
+ assert(b.tail == 0);
+ assertf(b.head == i * (sizeof data),
+ "head is %u instead of %lu", b.head, i * (sizeof data));
+ assert(wl_buffer_size(&b) == i * sizeof data);
+ }
+
+ /* do overflow */
+ wl_buffer_put(&b, data, sizeof data);
+
+ /* ensure */
+ assert(i * sizeof data > sizeof b.data);
+
+ assertf(MASK(b.head) < sizeof b.data);
+ assert(b.tail == 0);
+ index = sizeof b.data % sizeof data;
+ assertf(strncmp((char *) b.data + sizeof b.data - index, data, index -
1) == 0,
+ "Should have '%*s', but have '%*s'\n", (int) (index - 1), data,
+ (int) (index - 1), (char *) b.data + sizeof b.data - index);
+ assertf(strncmp(b.data, (char *) data + index, sizeof data - index) ==
0,
+ "Should have '%*s', but have '%*s'\n",
+ (int) (sizeof data - index), data + index,
+ (int) (sizeof data - index), (char *) b.data);
+
+ struct wl_buffer bb = {.head = 0, .tail = 0};
+ wl_buffer_put(&bb, data, sizeof data);
+ assert(strcmp(data, bb.data) == 0);
+}
+
+TEST(wl_buffer_fill_alot)
+{
+ struct wl_buffer b = {.head = 0, .tail = 0};
+ int i;
+
+ for (i = 0; i *sizeof data < 100 * sizeof b.data; i++)
+ wl_buffer_put(&b, data, sizeof data);
+}
--
1.8.4.2
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