1 files changed, 154 insertions, 0 deletions
diff --git a/subversion/tests/libsvn_subr/prefix-string-test.c b/subversion/tests/libsvn_subr/prefix-string-test.c
new file mode 100644
index 0000000..e420cff
--- /dev/null
+++ b/subversion/tests/libsvn_subr/prefix-string-test.c
@@ -0,0 +1,154 @@
+/*
+ * prefix-string-test.c:  a collection of svn_prefix_string__* tests
+ *
+ * ====================================================================
+ *    Licensed to the Apache Software Foundation (ASF) under one
+ *    or more contributor license agreements.  See the NOTICE file
+ *    distributed with this work for additional information
+ *    regarding copyright ownership.  The ASF licenses this file
+ *    to you under the Apache License, Version 2.0 (the
+ *    "License"); you may not use this file except in compliance
+ *    with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing,
+ *    software distributed under the License is distributed on an
+ *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *    KIND, either express or implied.  See the License for the
+ *    specific language governing permissions and limitations
+ *    under the License.
+ * ====================================================================
+ */
+
+/* ====================================================================
+   To add tests, look toward the bottom of this file.
+
+*/
+
+
+
+#include <stdio.h>
+#include <string.h>
+#include <apr_pools.h>
+
+#include "../svn_test.h"
+
+#include "svn_error.h"
+#include "svn_string.h"   /* This includes <apr_*.h> */
+#include "private/svn_string_private.h"
+
+static svn_error_t *
+test_empty_string(apr_pool_t *pool)
+{
+  svn_prefix_tree__t *tree = svn_prefix_tree__create(pool);
+  svn_prefix_string__t *empty = svn_prefix_string__create(tree, "");
+
+  /* same instance for all strings of the same value */
+  SVN_TEST_ASSERT(empty == svn_prefix_string__create(tree, ""));
+
+  /* does it actually have the right contents? */
+  SVN_TEST_ASSERT(svn_prefix_string__expand(empty, pool)->len == 0);
+  SVN_TEST_STRING_ASSERT(svn_prefix_string__expand(empty, pool)->data, "");
+
+  /* strings shall be equal to themselves */
+  SVN_TEST_ASSERT(0 == svn_prefix_string__compare(empty, empty));
+
+  return SVN_NO_ERROR;
+}
+
+enum {TEST_CASE_COUNT = 9};
+
+static const char *test_cases[TEST_CASE_COUNT] =
+{
+  "a longish string of sorts, longer than 7 anyway",
+  "some other string",
+  "more stuff on root",
+  "some shorter string",
+  "some short string",
+  "some short str",
+  "some short str2",
+  "a longish string of sorts, longer than ?! anyway",
+  "a"
+};
+
+static svn_error_t *
+test_string_creation(apr_pool_t *pool)
+{
+  svn_prefix_tree__t *tree = svn_prefix_tree__create(pool);
+  svn_prefix_string__t *strings[TEST_CASE_COUNT];
+  int i;
+
+  /* create strings and remember their initial references */
+  for (i = 0; i < TEST_CASE_COUNT; ++i)
+    strings[i] = svn_prefix_string__create(tree, test_cases[i]);
+
+  /* doing this again must yield the same pointers */
+  for (i = 0; i < TEST_CASE_COUNT; ++i)
+    SVN_TEST_ASSERT(strings[i]
+                    == svn_prefix_string__create(tree, test_cases[i]));
+
+  /* converting them back to strings must be the initial values */
+  for (i = 0; i < TEST_CASE_COUNT; ++i)
+    {
+      svn_string_t *expanded = svn_prefix_string__expand(strings[i], pool);
+
+      SVN_TEST_ASSERT(expanded->len == strlen(test_cases[i]));
+      SVN_TEST_STRING_ASSERT(expanded->data, test_cases[i]);
+
+    }
+
+  return SVN_NO_ERROR;
+}
+
+static svn_error_t *
+test_string_comparison(apr_pool_t *pool)
+{
+  svn_prefix_tree__t *tree = svn_prefix_tree__create(pool);
+  svn_prefix_string__t *strings[TEST_CASE_COUNT];
+  int i, k;
+
+  /* create strings */
+  for (i = 0; i < TEST_CASE_COUNT; ++i)
+    strings[i] = svn_prefix_string__create(tree, test_cases[i]);
+
+  /* comparing them with themselves */
+  for (i = 0; i < TEST_CASE_COUNT; ++i)
+    SVN_TEST_ASSERT(! svn_prefix_string__compare(strings[i], strings[i]));
+
+  /* compare with all other strings */
+  for (i = 0; i < TEST_CASE_COUNT; ++i)
+    {
+      svn_string_t *lhs = svn_prefix_string__expand(strings[i], pool);
+      for (k = 0; k < TEST_CASE_COUNT; ++k)
+        {
+          svn_string_t *rhs = svn_prefix_string__expand(strings[k], pool);
+          int expected_diff = strcmp(lhs->data, rhs->data);
+          int actual_diff = svn_prefix_string__compare(strings[i], strings[k]);
+
+          SVN_TEST_ASSERT((actual_diff < 0) == (expected_diff < 0));
+          SVN_TEST_ASSERT((actual_diff > 0) == (expected_diff > 0));
+          SVN_TEST_ASSERT(!actual_diff == !expected_diff);
+        }
+    }
+
+  return SVN_NO_ERROR;
+}
+
+/* An array of all test functions */
+
+static int max_threads = 1;
+
+static struct svn_test_descriptor_t test_funcs[] =
+  {
+    SVN_TEST_NULL,
+    SVN_TEST_PASS2(test_empty_string,
+                   "check empty strings"),
+    SVN_TEST_PASS2(test_string_creation,
+                   "create many strings"),
+    SVN_TEST_PASS2(test_string_comparison,
+                   "compare strings"),
+    SVN_TEST_NULL
+  };
+
+SVN_TEST_MAIN