1 files changed, 136 insertions, 0 deletions
diff --git a/test/core/slice/slice_string_helpers_test.cc b/test/core/slice/slice_string_helpers_test.cc
new file mode 100644
index 0000000000..260f8c80d5
--- /dev/null
+++ b/test/core/slice/slice_string_helpers_test.cc
@@ -0,0 +1,136 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * Licensed 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 "src/core/lib/slice/slice_string_helpers.h"
+
+#include <limits.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/string_util.h>
+#include <grpc/support/useful.h>
+
+#include "src/core/lib/support/string.h"
+#include "test/core/util/test_config.h"
+
+#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x)
+
+static void expect_slice_dump(grpc_slice slice, uint32_t flags,
+                              const char* result) {
+  char* got = grpc_dump_slice(slice, flags);
+  GPR_ASSERT(0 == strcmp(got, result));
+  gpr_free(got);
+  grpc_slice_unref(slice);
+}
+
+static void test_dump_slice(void) {
+  static const char* text = "HELLO WORLD!";
+  static const char* long_text =
+      "It was a bright cold day in April, and the clocks were striking "
+      "thirteen. Winston Smith, his chin nuzzled into his breast in an effort "
+      "to escape the vile wind, slipped quickly through the glass doors of "
+      "Victory Mansions, though not quickly enough to prevent a swirl of "
+      "gritty dust from entering along with him.";
+
+  LOG_TEST_NAME("test_dump_slice");
+
+  expect_slice_dump(grpc_slice_from_copied_string(text), GPR_DUMP_ASCII, text);
+  expect_slice_dump(grpc_slice_from_copied_string(long_text), GPR_DUMP_ASCII,
+                    long_text);
+  expect_slice_dump(grpc_slice_from_copied_buffer("\x01", 1), GPR_DUMP_HEX,
+                    "01");
+  expect_slice_dump(grpc_slice_from_copied_buffer("\x01", 1),
+                    GPR_DUMP_HEX | GPR_DUMP_ASCII, "01 '.'");
+}
+
+static void test_strsplit(void) {
+  grpc_slice_buffer* parts;
+  grpc_slice str;
+
+  LOG_TEST_NAME("test_strsplit");
+
+  parts =
+      static_cast<grpc_slice_buffer*>(gpr_malloc(sizeof(grpc_slice_buffer)));
+  grpc_slice_buffer_init(parts);
+
+  str = grpc_slice_from_copied_string("one, two, three, four");
+  grpc_slice_split(str, ", ", parts);
+  GPR_ASSERT(4 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], "one"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], "two"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[2], "three"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[3], "four"));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* separator not present in string */
+  str = grpc_slice_from_copied_string("one two three four");
+  grpc_slice_split(str, ", ", parts);
+  GPR_ASSERT(1 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], "one two three four"));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* separator at the end */
+  str = grpc_slice_from_copied_string("foo,");
+  grpc_slice_split(str, ",", parts);
+  GPR_ASSERT(2 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], "foo"));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], ""));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* separator at the beginning */
+  str = grpc_slice_from_copied_string(",foo");
+  grpc_slice_split(str, ",", parts);
+  GPR_ASSERT(2 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], ""));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], "foo"));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* standalone separator */
+  str = grpc_slice_from_copied_string(",");
+  grpc_slice_split(str, ",", parts);
+  GPR_ASSERT(2 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], ""));
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[1], ""));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  /* empty input */
+  str = grpc_slice_from_copied_string("");
+  grpc_slice_split(str, ", ", parts);
+  GPR_ASSERT(1 == parts->count);
+  GPR_ASSERT(0 == grpc_slice_str_cmp(parts->slices[0], ""));
+  grpc_slice_buffer_reset_and_unref(parts);
+  grpc_slice_unref(str);
+
+  grpc_slice_buffer_destroy(parts);
+  gpr_free(parts);
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  test_dump_slice();
+  test_strsplit();
+  return 0;
+}