1 files changed, 228 insertions, 0 deletions
diff --git a/tests/nghttp2_pq_test.c b/tests/nghttp2_pq_test.c
new file mode 100644
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--- /dev/null
+++ b/tests/nghttp2_pq_test.c
@@ -0,0 +1,228 @@
+/*
+ * nghttp2 - HTTP/2 C Library
+ *
+ * Copyright (c) 2012 Tatsuhiro Tsujikawa
+ *
+ * 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 "nghttp2_pq_test.h"
+
+#include <stdio.h>
+
+#include <CUnit/CUnit.h>
+
+#include "nghttp2_pq.h"
+
+typedef struct {
+  nghttp2_pq_entry ent;
+  const char *s;
+} string_entry;
+
+static string_entry *string_entry_new(const char *s) {
+  nghttp2_mem *mem;
+  string_entry *ent;
+
+  mem = nghttp2_mem_default();
+
+  ent = nghttp2_mem_malloc(mem, sizeof(string_entry));
+  ent->s = s;
+
+  return ent;
+}
+
+static void string_entry_del(string_entry *ent) { free(ent); }
+
+static int pq_less(const void *lhs, const void *rhs) {
+  return strcmp(((string_entry *)lhs)->s, ((string_entry *)rhs)->s) < 0;
+}
+
+void test_nghttp2_pq(void) {
+  int i;
+  nghttp2_pq pq;
+  string_entry *top;
+
+  nghttp2_pq_init(&pq, pq_less, nghttp2_mem_default());
+  CU_ASSERT(nghttp2_pq_empty(&pq));
+  CU_ASSERT(0 == nghttp2_pq_size(&pq));
+  CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("foo")->ent));
+  CU_ASSERT(0 == nghttp2_pq_empty(&pq));
+  CU_ASSERT(1 == nghttp2_pq_size(&pq));
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("foo", top->s) == 0);
+  CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("bar")->ent));
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("bar", top->s) == 0);
+  CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("baz")->ent));
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("bar", top->s) == 0);
+  CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("C")->ent));
+  CU_ASSERT(4 == nghttp2_pq_size(&pq));
+
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("C", top->s) == 0);
+  string_entry_del(top);
+  nghttp2_pq_pop(&pq);
+
+  CU_ASSERT(3 == nghttp2_pq_size(&pq));
+
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("bar", top->s) == 0);
+  nghttp2_pq_pop(&pq);
+  string_entry_del(top);
+
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("baz", top->s) == 0);
+  nghttp2_pq_pop(&pq);
+  string_entry_del(top);
+
+  top = (string_entry *)nghttp2_pq_top(&pq);
+  CU_ASSERT(strcmp("foo", top->s) == 0);
+  nghttp2_pq_pop(&pq);
+  string_entry_del(top);
+
+  CU_ASSERT(nghttp2_pq_empty(&pq));
+  CU_ASSERT(0 == nghttp2_pq_size(&pq));
+  CU_ASSERT(NULL == nghttp2_pq_top(&pq));
+
+  /* Add bunch of entry to see realloc works */
+  for (i = 0; i < 10000; ++i) {
+    CU_ASSERT(0 == nghttp2_pq_push(&pq, &string_entry_new("foo")->ent));
+    CU_ASSERT((size_t)(i + 1) == nghttp2_pq_size(&pq));
+  }
+  for (i = 10000; i > 0; --i) {
+    top = (string_entry *)nghttp2_pq_top(&pq);
+    CU_ASSERT(NULL != top);
+    nghttp2_pq_pop(&pq);
+    string_entry_del(top);
+    CU_ASSERT((size_t)(i - 1) == nghttp2_pq_size(&pq));
+  }
+
+  nghttp2_pq_free(&pq);
+}
+
+typedef struct {
+  nghttp2_pq_entry ent;
+  int key;
+  int val;
+} node;
+
+static int node_less(const void *lhs, const void *rhs) {
+  node *ln = (node *)lhs;
+  node *rn = (node *)rhs;
+  return ln->key < rn->key;
+}
+
+static int node_update(nghttp2_pq_entry *item, void *arg) {
+  node *nd = (node *)item;
+  (void)arg;
+
+  if ((nd->key % 2) == 0) {
+    nd->key *= -1;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+void test_nghttp2_pq_update(void) {
+  nghttp2_pq pq;
+  node nodes[10];
+  int i;
+  node *nd;
+  int ans[] = {-8, -6, -4, -2, 0, 1, 3, 5, 7, 9};
+
+  nghttp2_pq_init(&pq, node_less, nghttp2_mem_default());
+
+  for (i = 0; i < (int)(sizeof(nodes) / sizeof(nodes[0])); ++i) {
+    nodes[i].key = i;
+    nodes[i].val = i;
+    nghttp2_pq_push(&pq, &nodes[i].ent);
+  }
+
+  nghttp2_pq_update(&pq, node_update, NULL);
+
+  for (i = 0; i < (int)(sizeof(nodes) / sizeof(nodes[0])); ++i) {
+    nd = (node *)nghttp2_pq_top(&pq);
+    CU_ASSERT(ans[i] == nd->key);
+    nghttp2_pq_pop(&pq);
+  }
+
+  nghttp2_pq_free(&pq);
+}
+
+static void push_nodes(nghttp2_pq *pq, node *dest, size_t n) {
+  size_t i;
+  for (i = 0; i < n; ++i) {
+    dest[i].key = (int)i;
+    dest[i].val = (int)i;
+    nghttp2_pq_push(pq, &dest[i].ent);
+  }
+}
+
+static void check_nodes(nghttp2_pq *pq, size_t n, int *ans_key, int *ans_val) {
+  size_t i;
+  for (i = 0; i < n; ++i) {
+    node *nd = (node *)nghttp2_pq_top(pq);
+    CU_ASSERT(ans_key[i] == nd->key);
+    CU_ASSERT(ans_val[i] == nd->val);
+    nghttp2_pq_pop(pq);
+  }
+}
+
+void test_nghttp2_pq_remove(void) {
+  nghttp2_pq pq;
+  node nodes[10];
+  int ans_key1[] = {1, 2, 3, 4, 5};
+  int ans_val1[] = {1, 2, 3, 4, 5};
+  int ans_key2[] = {0, 1, 2, 4, 5};
+  int ans_val2[] = {0, 1, 2, 4, 5};
+  int ans_key3[] = {0, 1, 2, 3, 4};
+  int ans_val3[] = {0, 1, 2, 3, 4};
+
+  nghttp2_pq_init(&pq, node_less, nghttp2_mem_default());
+
+  push_nodes(&pq, nodes, 6);
+
+  nghttp2_pq_remove(&pq, &nodes[0].ent);
+
+  check_nodes(&pq, 5, ans_key1, ans_val1);
+
+  nghttp2_pq_free(&pq);
+
+  nghttp2_pq_init(&pq, node_less, nghttp2_mem_default());
+
+  push_nodes(&pq, nodes, 6);
+
+  nghttp2_pq_remove(&pq, &nodes[3].ent);
+
+  check_nodes(&pq, 5, ans_key2, ans_val2);
+
+  nghttp2_pq_free(&pq);
+
+  nghttp2_pq_init(&pq, node_less, nghttp2_mem_default());
+
+  push_nodes(&pq, nodes, 6);
+
+  nghttp2_pq_remove(&pq, &nodes[5].ent);
+
+  check_nodes(&pq, 5, ans_key3, ans_val3);
+
+  nghttp2_pq_free(&pq);
+}