---
unit/test-cbuffer.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/unit/test-cbuffer.c b/unit/test-cbuffer.c
index d51ce64..cb99506 100644
--- a/unit/test-cbuffer.c
+++ b/unit/test-cbuffer.c
@@ -462,6 +462,59 @@ static void cbt_get_length(struct cbt_fixture *fix, gconstpointer test_data)
cbuffer_get_length(fix->cbuff));
}
+static void cbt_discard(struct cbt_fixture *fix, gconstpointer test_data)
+{
+ g_assert_cmpint(0, ==, cbuffer_get_length(fix->cbuff));
+
+ /* tail */
+ cbuffer_write(fix->cbuff, 'z');
+ cbuffer_write(fix->cbuff, 'x');
+ cbuffer_write(fix->cbuff, 'c');
+ /* head */
+ g_assert_cmpint(3, ==, cbuffer_get_length(fix->cbuff));
+
+ cbuffer_write(fix->cbuff, 'v');
+ cbuffer_write(fix->cbuff, 'b');
+ cbuffer_write(fix->cbuff, 'n');
+ cbuffer_write(fix->cbuff, 'm');
+ /* head */
+ g_assert_cmpint(7, ==, cbuffer_get_length(fix->cbuff));
+
+ cbuffer_discard(fix->cbuff, 2);
+ g_assert_cmpint(5, ==, cbuffer_get_length(fix->cbuff));
+ g_assert_cmpint('c', ==, *cbuffer_peek_tail(fix->cbuff, 0));
+
+ cbuffer_drain(fix->cbuff);
+ g_assert_cmpint(0, ==, cbuffer_get_length(fix->cbuff));
+
+ /* unsuccessful discard */
+ g_assert_cmpint(cbuffer_discard(fix->cbuff, 2), ==, 0);
+ g_assert_cmpint(0, ==, cbuffer_get_length(fix->cbuff));
+
+ cbuffer_write(fix->cbuff, 'z');
+ cbuffer_write(fix->cbuff, 'x');
+ cbuffer_write(fix->cbuff, 'c');
+ cbuffer_write(fix->cbuff, 'v');
+ cbuffer_write(fix->cbuff, 'b');
+ cbuffer_write(fix->cbuff, 'n');
+ cbuffer_write(fix->cbuff, 'm');
+
+ g_assert_cmpint(cbuffer_discard(fix->cbuff, 1), ==, 1);
+ g_assert_cmpint(6, ==, cbuffer_get_length(fix->cbuff));
+ g_assert_cmpint('x', ==, *cbuffer_peek_tail(fix->cbuff, 0));
+
+ g_assert_cmpint(cbuffer_discard(fix->cbuff, 2), ==, 2);
+ g_assert_cmpint(4, ==, cbuffer_get_length(fix->cbuff));
+ g_assert_cmpint('v', ==, *cbuffer_peek_tail(fix->cbuff, 0));
+
+ g_assert_cmpint(cbuffer_discard(fix->cbuff, 3), ==, 3);
+ g_assert_cmpint(1, ==, cbuffer_get_length(fix->cbuff));
+ g_assert_cmpint('m', ==, *cbuffer_peek_tail(fix->cbuff, 0));
+
+ g_assert_cmpint(cbuffer_discard(fix->cbuff, 4), ==, 1);
+ g_assert_cmpint(0, ==, cbuffer_get_length(fix->cbuff));
+}
+
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@@ -491,5 +544,7 @@ int main(int argc, char **argv)
cbt_check_for, cbt_fix_teardown);
g_test_add("/cbuffer/get_length", struct cbt_fixture, 0, cbt_fix_setup,
cbt_get_length, cbt_fix_teardown);
+ g_test_add("/cbuffer/discard", struct cbt_fixture, 0, cbt_fix_setup,
+ cbt_discard, cbt_fix_teardown);
return g_test_run();
}
--
1.7.9.5
--
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