Adding upstream version 0.12.1+dfsg.upstream/0.12.1+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 367 insertions, 0 deletions

diff --git a/tests/ngtcp2_acktr_test.c b/tests/ngtcp2_acktr_test.c
new file mode 100644
index 0000000..f75336a
--- /dev/null
+++ b/tests/ngtcp2_acktr_test.c
@@ -0,0 +1,367 @@
+/*
+ * ngtcp2
+ *
+ * Copyright (c) 2017 ngtcp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "ngtcp2_acktr_test.h"
+
+#include <CUnit/CUnit.h>
+
+#include "ngtcp2_acktr.h"
+#include "ngtcp2_test_helper.h"
+
+void test_ngtcp2_acktr_add(void) {
+  const int64_t pkt_nums[] = {1, 5, 7, 6, 2, 3};
+  ngtcp2_acktr acktr;
+  ngtcp2_acktr_entry *ent;
+  ngtcp2_ksl_it it;
+  size_t i;
+  int rv;
+  const ngtcp2_mem *mem = ngtcp2_mem_default();
+  ngtcp2_log log;
+
+  ngtcp2_log_init(&log, NULL, NULL, 0, NULL);
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  for (i = 0; i < ngtcp2_arraylen(pkt_nums); ++i) {
+    rv = ngtcp2_acktr_add(&acktr, pkt_nums[i], 1, 999);
+
+    CU_ASSERT(0 == rv);
+  }
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(7 == ent->pkt_num);
+  CU_ASSERT(3 == ent->len);
+
+  ngtcp2_ksl_it_next(&it);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(3 == ent->pkt_num);
+  CU_ASSERT(3 == ent->len);
+
+  ngtcp2_ksl_it_next(&it);
+
+  CU_ASSERT(ngtcp2_ksl_it_end(&it));
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* Check all conditions */
+
+  /* The lower bound returns the one beyond of the last entry.  The
+     added packet number extends the first entry. */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  ngtcp2_acktr_add(&acktr, 1, 1, 100);
+  ngtcp2_acktr_add(&acktr, 0, 1, 101);
+
+  CU_ASSERT(1 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(1 == ent->pkt_num);
+  CU_ASSERT(2 == ent->len);
+  CU_ASSERT(100 == ent->tstamp);
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* The entry is the first one and adding a packet number extends it
+     to the forward. */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  ngtcp2_acktr_add(&acktr, 0, 1, 100);
+  ngtcp2_acktr_add(&acktr, 1, 1, 101);
+
+  CU_ASSERT(1 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(1 == ent->pkt_num);
+  CU_ASSERT(2 == ent->len);
+  CU_ASSERT(101 == ent->tstamp);
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* The adding entry merges the existing 2 entries. */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  ngtcp2_acktr_add(&acktr, 0, 1, 100);
+  ngtcp2_acktr_add(&acktr, 2, 1, 101);
+  ngtcp2_acktr_add(&acktr, 3, 1, 102);
+
+  CU_ASSERT(2 == ngtcp2_ksl_len(&acktr.ents));
+
+  ngtcp2_acktr_add(&acktr, 1, 1, 103);
+
+  CU_ASSERT(1 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(3 == ent->pkt_num);
+  CU_ASSERT(4 == ent->len);
+  CU_ASSERT(102 == ent->tstamp);
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* Adding entry does not merge the existing 2 entries.  It extends
+     the last entry. */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  ngtcp2_acktr_add(&acktr, 0, 1, 100);
+  ngtcp2_acktr_add(&acktr, 3, 1, 101);
+  ngtcp2_acktr_add(&acktr, 4, 1, 102);
+
+  CU_ASSERT(2 == ngtcp2_ksl_len(&acktr.ents));
+
+  ngtcp2_acktr_add(&acktr, 1, 1, 103);
+
+  CU_ASSERT(2 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(4 == ent->pkt_num);
+  CU_ASSERT(2 == ent->len);
+  CU_ASSERT(102 == ent->tstamp);
+
+  ngtcp2_ksl_it_next(&it);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(1 == ent->pkt_num);
+  CU_ASSERT(2 == ent->len);
+  CU_ASSERT(103 == ent->tstamp);
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* Adding entry does not merge the existing 2 entries.  It extends
+     the first entry. */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  ngtcp2_acktr_add(&acktr, 0, 1, 100);
+  ngtcp2_acktr_add(&acktr, 3, 1, 101);
+  ngtcp2_acktr_add(&acktr, 4, 1, 102);
+
+  CU_ASSERT(2 == ngtcp2_ksl_len(&acktr.ents));
+
+  ngtcp2_acktr_add(&acktr, 2, 1, 103);
+
+  CU_ASSERT(2 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(4 == ent->pkt_num);
+  CU_ASSERT(3 == ent->len);
+  CU_ASSERT(102 == ent->tstamp);
+
+  ngtcp2_ksl_it_next(&it);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(0 == ent->pkt_num);
+  CU_ASSERT(1 == ent->len);
+  CU_ASSERT(100 == ent->tstamp);
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* The added packet number does not extend any entries. */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  ngtcp2_acktr_add(&acktr, 0, 1, 0);
+  ngtcp2_acktr_add(&acktr, 4, 1, 0);
+  ngtcp2_acktr_add(&acktr, 2, 1, 0);
+
+  CU_ASSERT(3 == ngtcp2_ksl_len(&acktr.ents));
+
+  ngtcp2_acktr_free(&acktr);
+}
+
+void test_ngtcp2_acktr_eviction(void) {
+  ngtcp2_acktr acktr;
+  const ngtcp2_mem *mem = ngtcp2_mem_default();
+  size_t i;
+  ngtcp2_acktr_entry *ent;
+  const size_t extra = 17;
+  ngtcp2_log log;
+  ngtcp2_ksl_it it;
+
+  ngtcp2_log_init(&log, NULL, NULL, 0, NULL);
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  for (i = 0; i < NGTCP2_ACKTR_MAX_ENT + extra; ++i) {
+    ngtcp2_acktr_add(&acktr, (int64_t)(i * 2), 1, 999 + i);
+  }
+
+  CU_ASSERT(NGTCP2_ACKTR_MAX_ENT == ngtcp2_ksl_len(&acktr.ents));
+
+  for (i = 0, it = ngtcp2_acktr_get(&acktr); !ngtcp2_ksl_it_end(&it);
+       ++i, ngtcp2_ksl_it_next(&it)) {
+    ent = ngtcp2_ksl_it_get(&it);
+
+    CU_ASSERT((int64_t)((NGTCP2_ACKTR_MAX_ENT + extra - 1) * 2 - i * 2) ==
+              ent->pkt_num);
+  }
+
+  ngtcp2_acktr_free(&acktr);
+
+  /* Invert insertion order */
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  for (i = NGTCP2_ACKTR_MAX_ENT + extra; i > 0; --i) {
+    ngtcp2_acktr_add(&acktr, (int64_t)((i - 1) * 2), 1, 999 + i);
+  }
+
+  CU_ASSERT(NGTCP2_ACKTR_MAX_ENT == ngtcp2_ksl_len(&acktr.ents));
+
+  for (i = 0, it = ngtcp2_acktr_get(&acktr); !ngtcp2_ksl_it_end(&it);
+       ++i, ngtcp2_ksl_it_next(&it)) {
+    ent = ngtcp2_ksl_it_get(&it);
+
+    CU_ASSERT((int64_t)((NGTCP2_ACKTR_MAX_ENT + extra - 1) * 2 - i * 2) ==
+              ent->pkt_num);
+  }
+
+  ngtcp2_acktr_free(&acktr);
+}
+
+void test_ngtcp2_acktr_forget(void) {
+  ngtcp2_acktr acktr;
+  const ngtcp2_mem *mem = ngtcp2_mem_default();
+  size_t i;
+  ngtcp2_acktr_entry *ent;
+  ngtcp2_log log;
+  ngtcp2_ksl_it it;
+
+  ngtcp2_log_init(&log, NULL, NULL, 0, NULL);
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  for (i = 0; i < 7; ++i) {
+    ngtcp2_acktr_add(&acktr, (int64_t)(i * 2), 1, 999 + i);
+  }
+
+  CU_ASSERT(7 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ngtcp2_ksl_it_next(&it);
+  ngtcp2_ksl_it_next(&it);
+  ngtcp2_ksl_it_next(&it);
+  ent = ngtcp2_ksl_it_get(&it);
+  ngtcp2_acktr_forget(&acktr, ent);
+
+  CU_ASSERT(3 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(12 == ent->pkt_num);
+
+  ngtcp2_ksl_it_next(&it);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(10 == ent->pkt_num);
+
+  ngtcp2_ksl_it_next(&it);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(8 == ent->pkt_num);
+
+  it = ngtcp2_acktr_get(&acktr);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  ngtcp2_acktr_forget(&acktr, ent);
+
+  CU_ASSERT(0 == ngtcp2_ksl_len(&acktr.ents));
+
+  ngtcp2_acktr_free(&acktr);
+}
+
+void test_ngtcp2_acktr_recv_ack(void) {
+  ngtcp2_acktr acktr;
+  const ngtcp2_mem *mem = ngtcp2_mem_default();
+  size_t i;
+  ngtcp2_ack ackfr;
+  int64_t rpkt_nums[] = {
+      4500, 4499, 4497, 4496, 4494, 4493, 4491, 4490, 4488, 4487, 4483,
+  };
+  /*
+     4500 4499
+     4497 4496
+     4494 4493
+     4491 4490
+     4488 4487
+     4483
+  */
+  ngtcp2_acktr_entry *ent;
+  ngtcp2_log log;
+  ngtcp2_ksl_it it;
+
+  ngtcp2_log_init(&log, NULL, NULL, 0, NULL);
+  ngtcp2_acktr_init(&acktr, &log, mem);
+
+  for (i = 0; i < ngtcp2_arraylen(rpkt_nums); ++i) {
+    ngtcp2_acktr_add(&acktr, rpkt_nums[i], 1, 999 + i);
+  }
+
+  CU_ASSERT(6 == ngtcp2_ksl_len(&acktr.ents));
+
+  ngtcp2_acktr_add_ack(&acktr, 998, 4497);
+  ngtcp2_acktr_add_ack(&acktr, 999, 4499);
+
+  ackfr.type = NGTCP2_FRAME_ACK;
+  ackfr.largest_ack = 998;
+  ackfr.ack_delay = 0;
+  ackfr.first_ack_range = 0;
+  ackfr.rangecnt = 0;
+
+  ngtcp2_acktr_recv_ack(&acktr, &ackfr);
+
+  CU_ASSERT(1 == ngtcp2_ringbuf_len(&acktr.acks));
+  CU_ASSERT(1 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_ksl_begin(&acktr.ents);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(4500 == ent->pkt_num);
+  CU_ASSERT(2 == ent->len);
+
+  ackfr.type = NGTCP2_FRAME_ACK;
+  ackfr.largest_ack = 999;
+  ackfr.ack_delay = 0;
+  ackfr.first_ack_range = 0;
+  ackfr.rangecnt = 0;
+
+  ngtcp2_acktr_recv_ack(&acktr, &ackfr);
+
+  CU_ASSERT(0 == ngtcp2_ringbuf_len(&acktr.acks));
+  CU_ASSERT(1 == ngtcp2_ksl_len(&acktr.ents));
+
+  it = ngtcp2_ksl_begin(&acktr.ents);
+  ent = ngtcp2_ksl_it_get(&it);
+
+  CU_ASSERT(4500 == ent->pkt_num);
+  CU_ASSERT(1 == ent->len);
+
+  ngtcp2_acktr_free(&acktr);
+}