Add defined behavior for inserts with matching keys, and a test.

3 files changed, 65 insertions, 0 deletions

diff --git a/tests/.gitignore b/tests/.gitignore
index 6c96e28..41ca9e7 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -5,3 +5,4 @@ insert_and_lookup
 insert_many
 null_destroy
 random_entry
+replacement
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 83610ba..e681df1 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -29,6 +29,7 @@ TESTS = \
 	insert_many \
 	null_destroy \
 	random_entry \
+	replacement \
 	$()
 
 EXTRA_PROGRAMS = $(TESTS)
diff --git a/tests/replacement.c b/tests/replacement.c
new file mode 100644
index 0000000..eb70906
--- /dev/null
+++ b/tests/replacement.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include "hash_table.h"
+#include "fnv_hash.h"
+
+int
+main(int argc, char **argv)
+{
+	struct hash_table *ht;
+	char *str1 = strdup("test1");
+	char *str2 = strdup("test1");
+	uint32_t hash_str1 = fnv1_hash_string(str1);
+	uint32_t hash_str2 = fnv1_hash_string(str2);
+	struct hash_entry *entry;
+
+	ht = hash_table_create(string_key_equals);
+
+	hash_table_insert(ht, hash_str1, str1, str1);
+	hash_table_insert(ht, hash_str2, str2, str2);
+
+	entry = hash_table_search(ht, hash_str1, str1);
+	assert(entry);
+	assert(entry->data == str2);
+
+	hash_table_remove(ht, entry);
+
+	entry = hash_table_search(ht, hash_str1, str1);
+	assert(!entry);
+
+	hash_table_destroy(ht, NULL);
+	free(str1);
+	free(str2);
+
+	return 0;
+}