From 3d1b4118959fde7a70109a155a13bcee0b70e90b Mon Sep 17 00:00:00 2001 From: Tatsuhiro Tsujikawa Date: Mon, 27 Feb 2012 23:24:17 +0900 Subject: [PATCH] Added test for negative window_size case --- tests/spdylay_session_test.c | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/tests/spdylay_session_test.c b/tests/spdylay_session_test.c index 717b79c..99bf043 100644 --- a/tests/spdylay_session_test.c +++ b/tests/spdylay_session_test.c @@ -1545,6 +1545,8 @@ void test_spdylay_session_flow_control() my_user_data ud; spdylay_data_provider data_prd; spdylay_frame frame; + spdylay_stream *stream; + int32_t new_initial_window_size; memset(&callbacks, 0, sizeof(spdylay_session_callbacks)); callbacks.send_callback = null_send_callback; @@ -1554,6 +1556,7 @@ void test_spdylay_session_flow_control() ud.ctrl_send_cb_called = 0; ud.data_source_length = 128*1024; + /* Initial window size is 64KiB */ spdylay_session_client_new(&session, SPDYLAY_PROTO_SPDY3, &callbacks, &ud); spdylay_submit_request(session, 3, nv, &data_prd, NULL); @@ -1561,6 +1564,7 @@ void test_spdylay_session_flow_control() CU_ASSERT(0 == spdylay_session_send(session)); CU_ASSERT(64*1024 == ud.data_source_length); + /* Back 32KiB */ spdylay_frame_window_update_init(&frame.window_update, SPDYLAY_PROTO_SPDY3, 1, 32*1024); spdylay_session_on_window_update_received(session, &frame); @@ -1569,9 +1573,35 @@ void test_spdylay_session_flow_control() CU_ASSERT(0 == spdylay_session_send(session)); CU_ASSERT(32*1024 == ud.data_source_length); + stream = spdylay_session_get_stream(session, 1); + /* Change initial window size to 16KiB. The window_size becomes + negative. */ + new_initial_window_size = 16*1024; + stream->window_size = new_initial_window_size- + (stream->initial_window_size-stream->window_size); + CU_ASSERT(-48*1024 == stream->window_size); + + /* Back 48KiB */ + frame.window_update.delta_window_size = 48*1024; spdylay_session_on_window_update_received(session, &frame); - /* Sends another 32KiB data */ + /* Nothing is sent because window_size is less than 0 */ + CU_ASSERT(0 == spdylay_session_send(session)); + CU_ASSERT(32*1024 == ud.data_source_length); + + /* Back 16KiB */ + frame.window_update.delta_window_size = 16*1024; + spdylay_session_on_window_update_received(session, &frame); + + /* Sends another 16KiB data */ + CU_ASSERT(0 == spdylay_session_send(session)); + CU_ASSERT(16*1024 == ud.data_source_length); + + /* Back 16KiB */ + frame.window_update.delta_window_size = 16*1024; + spdylay_session_on_window_update_received(session, &frame); + + /* Sends another 16KiB data */ CU_ASSERT(0 == spdylay_session_send(session)); CU_ASSERT(0 == ud.data_source_length); CU_ASSERT(spdylay_session_get_stream(session, 1)->shut_flags &