1 files changed, 134 insertions, 0 deletions
diff --git a/src/crypto/err/err_test.cc b/src/crypto/err/err_test.cc
new file mode 100644
index 0000000..98dfb85
--- /dev/null
+++ b/src/crypto/err/err_test.cc
@@ -0,0 +1,134 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <openssl/crypto.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+
+
+static bool TestOverflow() {
+  for (unsigned i = 0; i < ERR_NUM_ERRORS*2; i++) {
+    ERR_put_error(1, 2, i+1, "test", 1);
+  }
+
+  for (unsigned i = 0; i < ERR_NUM_ERRORS - 1; i++) {
+    uint32_t err = ERR_get_error();
+    /* Errors are returned in order they were pushed, with the least recent ones
+     * removed, up to |ERR_NUM_ERRORS - 1| errors. So the errors returned are
+     * |ERR_NUM_ERRORS + 2| through |ERR_NUM_ERRORS * 2|, inclusive. */
+    if (err == 0 || ERR_GET_REASON(err) != i + ERR_NUM_ERRORS + 2) {
+      fprintf(stderr, "ERR_get_error failed at %u\n", i);
+      return false;
+    }
+  }
+
+  if (ERR_get_error() != 0) {
+    fprintf(stderr, "ERR_get_error more than the expected number of values.\n");
+    return false;
+  }
+
+  return true;
+}
+
+static bool TestPutError() {
+  if (ERR_get_error() != 0) {
+    fprintf(stderr, "ERR_get_error returned value before an error was added.\n");
+    return false;
+  }
+
+  ERR_put_error(1, 2, 3, "test", 4);
+  ERR_add_error_data(1, "testing");
+
+  int peeked_line, line, peeked_flags, flags;
+  const char *peeked_file, *file, *peeked_data, *data;
+  uint32_t peeked_packed_error =
+      ERR_peek_error_line_data(&peeked_file, &peeked_line, &peeked_data,
+                               &peeked_flags);
+  uint32_t packed_error = ERR_get_error_line_data(&file, &line, &data, &flags);
+
+  if (peeked_packed_error != packed_error ||
+      peeked_file != file ||
+      peeked_data != data ||
+      peeked_flags != flags) {
+    fprintf(stderr, "Bad peeked error data returned.\n");
+    return false;
+  }
+
+  if (strcmp(file, "test") != 0 ||
+      line != 4 ||
+      (flags & ERR_FLAG_STRING) == 0 ||
+      ERR_GET_LIB(packed_error) != 1 ||
+      ERR_GET_FUNC(packed_error) != 2 ||
+      ERR_GET_REASON(packed_error) != 3 ||
+      strcmp(data, "testing") != 0) {
+    fprintf(stderr, "Bad error data returned.\n");
+    return false;
+  }
+
+  return true;
+}
+
+static bool TestClearError() {
+  if (ERR_get_error() != 0) {
+    fprintf(stderr, "ERR_get_error returned value before an error was added.\n");
+    return false;
+  }
+
+  ERR_put_error(1, 2, 3, "test", 4);
+  ERR_clear_error();
+
+  if (ERR_get_error() != 0) {
+    fprintf(stderr, "Error remained after clearing.\n");
+    return false;
+  }
+
+  return true;
+}
+
+static bool TestPrint() {
+  ERR_put_error(1, 2, 3, "test", 4);
+  ERR_add_error_data(1, "testing");
+  uint32_t packed_error = ERR_get_error();
+
+  char buf[256];
+  for (size_t i = 0; i <= sizeof(buf); i++) {
+    ERR_error_string_n(packed_error, buf, i);
+  }
+
+  return true;
+}
+
+static bool TestRelease() {
+  ERR_put_error(1, 2, 3, "test", 4);
+  ERR_remove_thread_state(NULL);
+  return true;
+}
+
+int main() {
+  CRYPTO_library_init();
+
+  if (!TestOverflow() ||
+      !TestPutError() ||
+      !TestClearError() ||
+      !TestPrint() ||
+      !TestRelease()) {
+    return 1;
+  }
+
+  printf("PASS\n");
+  return 0;
+}