mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-15 15:16:12 -04:00
Alexey Polyudov
b724d792dd
Signed-off-by: Alexey Polyudov <apolyudov@google.com> Change-Id: I9a7d3c3d9790dc58c0d4c2bd2134499337b9a17b
91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "platform/base/byte_array.h"
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#include <cstring>
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#include "gtest/gtest.h"
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namespace {
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using location::nearby::ByteArray;
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TEST(ByteArrayTest, DefaultSizeIsZero) {
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ByteArray bytes;
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EXPECT_EQ(0, bytes.size());
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}
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TEST(ByteArrayTest, DefaultIsEmpty) {
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ByteArray bytes;
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EXPECT_TRUE(bytes.Empty());
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}
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TEST(ByteArrayTest, NullArrayIsEmpty) {
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ByteArray bytes{nullptr, 5};
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EXPECT_TRUE(bytes.Empty());
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}
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TEST(ByteArrayTest, CopyAtDoesNotExtendArray) {
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ByteArray v1("12345");
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ByteArray v2("ABCDEFGH");
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EXPECT_TRUE(v2.CopyAt(/*offset=*/5, v1));
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EXPECT_TRUE(v2.CopyAt(/*offset=*/1, v1, /*source_offset=*/3));
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EXPECT_EQ(v2, ByteArray("A45DE123"));
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}
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TEST(ByteArrayTest, CopyAtOutOfBoundsIsIgnored) {
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ByteArray v1("12345");
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ByteArray v2("ABCDEFGH");
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// Try to do an out-of-bounds read.
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EXPECT_FALSE(v2.CopyAt(/* offset=*/5, v1, /*source_offset=*/10));
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// Try to do an out-of-bounds write.
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EXPECT_FALSE(v2.CopyAt(/* offset=*/9, v1));
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EXPECT_EQ(v2, ByteArray("ABCDEFGH"));
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}
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TEST(ByteArrayTest, SetFromString) {
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std::string setup("setup_test");
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ByteArray bytes{setup}; // array initialized with a copy of string.
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EXPECT_EQ(setup.size(), bytes.size());
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EXPECT_EQ(std::string(bytes), setup);
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}
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TEST(ByteArrayTest, SetExplicitSize) {
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constexpr size_t kArraySize = 10;
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char reference[kArraySize]{};
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ByteArray bytes{kArraySize}; // array of size 10, zero-initialized.
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EXPECT_EQ(kArraySize, bytes.size());
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EXPECT_EQ(0, memcmp(bytes.data(), reference, kArraySize));
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}
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TEST(ByteArrayTest, SetExplicitData) {
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constexpr static const char message[]{"test_message"};
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constexpr size_t kMessageSize = sizeof(message);
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ByteArray bytes{message, kMessageSize};
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EXPECT_EQ(kMessageSize, bytes.size());
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EXPECT_NE(message, bytes.data());
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EXPECT_EQ(0, memcmp(message, bytes.data(), kMessageSize));
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}
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TEST(ByteArrayTest, CreateFromNonNullTerminatedStdArray) {
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constexpr static const std::array data{'a', '\x00', 'b'};
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ByteArray bytes{data};
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EXPECT_EQ(bytes.size(), 3);
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EXPECT_EQ(bytes.size(), std::string(bytes).size());
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EXPECT_EQ(std::string(bytes), std::string(data.data(), data.size()));
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}
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} // namespace
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