Initial public release of nearby library

Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I85d490e448375aa4eb7b09680757c02fff1420b4

cpp/platform/byte_array_test.cc

@@ -0,0 +1,53 @@
+// Copyright 2020 Google LLC
+//
+// 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
+//
+//     https://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 "platform/byte_array.h"
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+namespace {
+
+using location::nearby::ByteArray;
+
+TEST(ByteArrayTest, DefaultSizeIsZero) {
+  ByteArray bytes;
+  ASSERT_EQ(0, bytes.size());
+}
+
+TEST(ByteArrayTest, SetFromString) {
+  std::string setup("setup_test");
+  ByteArray bytes{setup};  // array initialized with a copy of string.
+  ASSERT_EQ(setup.size(), bytes.size());
+  ASSERT_EQ(bytes.asString(), setup);
+}
+
+TEST(ByteArrayTest, SetExplicitSize) {
+  constexpr size_t kArraySize = 10;
+  char reference[kArraySize]{};
+  ByteArray bytes{kArraySize};  // array of size 10, zero-initialized.
+  ASSERT_EQ(kArraySize, bytes.size());
+  ASSERT_EQ(0, memcmp(bytes.getData(), reference, kArraySize));
+}
+
+TEST(ByteArrayTest, SetExplicitData) {
+  constexpr static const char message[] {"test_message"};
+  constexpr size_t kMessageSize = sizeof(message);
+  ByteArray bytes{message, kMessageSize};
+  ASSERT_EQ(kMessageSize, bytes.size());
+  ASSERT_NE(message, bytes.getData());
+  ASSERT_EQ(0, memcmp(message, bytes.getData(), kMessageSize));
+}
+
+}  // namespace