Add const to ByteBuffer methods and add tests

1 files changed, 115 insertions, 0 deletions

diff --git a/test/cpp/util/byte_buffer_test.cc b/test/cpp/util/byte_buffer_test.cc
new file mode 100644
index 0000000000..8ad2fad505
--- /dev/null
+++ b/test/cpp/util/byte_buffer_test.cc
@@ -0,0 +1,115 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc++/byte_buffer.h>
+
+#include <cstring>
+#include <vector>
+
+#include <grpc/support/slice.h>
+#include <grpc++/slice.h>
+#include <gtest/gtest.h>
+
+namespace grpc {
+namespace {
+
+class ByteBufferTest : public ::testing::Test {
+ protected:
+  const char* kContent1_ = "hello xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
+  const char* kContent2_ = "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy world";
+};
+
+TEST_F(ByteBufferTest, CreateFromSingleSlice) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1_);
+  Slice s(hello, Slice::STEAL_REF);
+  ByteBuffer buffer(&s, 1);
+}
+
+TEST_F(ByteBufferTest, CreateFromVector) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1_);
+  gpr_slice world = gpr_slice_from_copied_string(kContent2_);
+  std::vector<Slice> slices;
+  slices.push_back(Slice(hello, Slice::STEAL_REF));
+  slices.push_back(Slice(world, Slice::STEAL_REF));
+  ByteBuffer buffer(&slices[0], 2);
+}
+
+TEST_F(ByteBufferTest, Clear) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1_);
+  Slice s(hello, Slice::STEAL_REF);
+  ByteBuffer buffer(&s, 1);
+  buffer.Clear();
+}
+
+TEST_F(ByteBufferTest, Length) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1_);
+  gpr_slice world = gpr_slice_from_copied_string(kContent2_);
+  std::vector<Slice> slices;
+  slices.push_back(Slice(hello, Slice::STEAL_REF));
+  slices.push_back(Slice(world, Slice::STEAL_REF));
+  ByteBuffer buffer(&slices[0], 2);
+  EXPECT_EQ(strlen(kContent1_) + strlen(kContent2_), buffer.Length());
+}
+
+bool SliceEqual(const Slice& a, gpr_slice b) {
+  if (a.size() != GPR_SLICE_LENGTH(b)) {
+    return false;
+  }
+  for (size_t i = 0; i < a.size(); i++) {
+    if (a.begin()[i] != GPR_SLICE_START_PTR(b)[i]) {
+      return false;
+    }
+  }
+  return true;
+}
+
+TEST_F(ByteBufferTest, Dump) {
+  gpr_slice hello = gpr_slice_from_copied_string(kContent1_);
+  gpr_slice world = gpr_slice_from_copied_string(kContent2_);
+  std::vector<Slice> slices;
+  slices.push_back(Slice(hello, Slice::STEAL_REF));
+  slices.push_back(Slice(world, Slice::STEAL_REF));
+  ByteBuffer buffer(&slices[0], 2);
+  slices.clear();
+  buffer.Dump(&slices);
+  EXPECT_TRUE(SliceEqual(slices[0], hello));
+  EXPECT_TRUE(SliceEqual(slices[1], world));
+}
+
+}  // namespace
+}  // namespace grpc
+
+int main(int argc, char** argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}