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Handle circular dependency

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Handle the situation if a stream is told to depend on its descendant.
This is what
http://tools.ietf.org/html/draft-ietf-httpbis-http2-12#section-5.3.3
says.
This commit is contained in:
Tatsuhiro Tsujikawa
2014-04-24 23:44:34 +09:00
parent 853c9888d9
commit ee26469cd9
2 changed files with 8 additions and 6 deletions
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7
tests/nghttp2_session_test.c
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@@ -2586,13 +2586,14 @@ void test_nghttp2_session_reprioritize_stream(void)
CU_ASSERT(99 == stream->weight);
CU_ASSERT(dep_stream == stream->dep_prev);
/* Test circular dependency; must be ignored */
/* Test circular dependency; stream 1 is first removed and becomes
root. Then stream 3 depends on it. */
nghttp2_priority_spec_init(&pri_spec, 1, 1, 0);
nghttp2_session_reprioritize_stream(session, dep_stream, &pri_spec);
CU_ASSERT(16 == dep_stream->weight);
CU_ASSERT(NULL == dep_stream->dep_prev);
CU_ASSERT(1 == dep_stream->weight);
CU_ASSERT(stream == dep_stream->dep_prev);
nghttp2_session_del(session);
}