1 files changed, 83 insertions, 0 deletions
diff --git a/subversion/tests/libsvn_subr/error-code-test.c b/subversion/tests/libsvn_subr/error-code-test.c
new file mode 100644
index 0000000..e996616
--- /dev/null
+++ b/subversion/tests/libsvn_subr/error-code-test.c
@@ -0,0 +1,83 @@
+/*
+ * error-code-test.c -- tests for error codes
+ *
+ * ====================================================================
+ *    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.
+ * ====================================================================
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <apr_general.h>
+
+#include "svn_error.h"
+
+/* Duplicate of the same typedef in libsvn_subr/error.c */
+typedef struct err_defn {
+  svn_errno_t errcode; /* 160004 */
+  const char *errname; /* SVN_ERR_FS_CORRUPT */
+  const char *errdesc; /* default message */
+} err_defn;
+
+/* To understand what is going on here, read svn_error_codes.h. */
+#define SVN_ERROR_BUILD_ARRAY
+#include "svn_error_codes.h"
+
+#include "../svn_test.h"
+
+#define NUM_ERRORS (sizeof(error_table)/sizeof(error_table[0]))
+
+static svn_error_t *
+check_error_codes_unique(apr_pool_t *pool)
+{
+  int i;
+  struct err_defn e = error_table[0];
+
+  /* Ensure error codes are strictly monotonically increasing. */
+  for (i = 1; i < NUM_ERRORS; i++)
+    {
+      struct err_defn e2 = error_table[i];
+
+      /* Don't fail the test if there is an odd number of errors.
+       * The error array's sentinel has an error code of zero. */
+      if (i == NUM_ERRORS - 1 && e2.errcode == 0)
+        break;
+
+      /* SVN_ERR_WC_NOT_DIRECTORY is an alias for SVN_ERR_WC_NOT_WORKING_COPY
+       * and shares the same error code. */
+      if (e.errcode != SVN_ERR_WC_NOT_DIRECTORY &&
+          e.errcode >= e2.errcode)
+        return svn_error_createf(SVN_ERR_TEST_FAILED, NULL,
+                                 "Error 0x%x (%s) is not < 0x%x (%s)\n",
+                                 e.errcode, e.errdesc, e2.errcode, e2.errdesc);
+      e = e2;
+    }
+
+  return SVN_NO_ERROR;
+}
+
+
+/* The test table.  */
+
+struct svn_test_descriptor_t test_funcs[] =
+  {
+    SVN_TEST_NULL,
+    SVN_TEST_PASS2(check_error_codes_unique,
+                   "check that error codes are unique"),
+    SVN_TEST_NULL
+  };