mirror of
https://github.com/kidfromjupiter/nearby.git
synced 2026-09-14 22:56:12 -04:00
66 lines
2.2 KiB
C++
66 lines
2.2 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 "internal/platform/base_input_stream.h"
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#include <cstdint>
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#include <string>
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#include "gtest/gtest.h"
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#include "internal/platform/byte_array.h"
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namespace nearby {
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namespace {
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TEST(BaseInputStreamTest, ReadBits) {
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std::string data{static_cast<char>(0b01011100)};
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ByteArray byte_array(data);
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BaseInputStream stream{byte_array};
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EXPECT_EQ(stream.ReadBits(1), 0);
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EXPECT_EQ(stream.ReadBits(2), 2);
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EXPECT_EQ(stream.ReadBits(3), 7);
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EXPECT_FALSE(stream.ReadBits(5).has_value());
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EXPECT_EQ(stream.ReadBits(2), 0);
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EXPECT_FALSE(stream.ReadBits(1).has_value());
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}
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TEST(BaseInputStreamTest, ReadBitsExceedsByteBoundary) {
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std::string data = "ab";
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ByteArray byte_array(data);
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BaseInputStream stream{byte_array};
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EXPECT_FALSE(stream.ReadBits(9).has_value());
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EXPECT_EQ(stream.ReadBits(1), 0);
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EXPECT_FALSE(stream.ReadInt16().has_value());
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}
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TEST(BaseInputStreamTest, ReadUintValues) {
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std::string data = "\xff\xf1\x0f\x0e\x01\x02\x01\x01\x01\x02\x03\x04\x05\x06";
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ByteArray byte_array(data);
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BaseInputStream stream{byte_array};
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EXPECT_EQ(stream.ReadUint16(), 0xfff1);
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EXPECT_EQ(stream.ReadUint32(), 0x0f0e0102);
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EXPECT_EQ(stream.ReadUint64(), 0x0101010203040506);
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}
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TEST(BaseInputStreamTest, ReadIntValues) {
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std::string data = "\xff\xf1\x0f\x0e\x01\x02\x01\x01\x01\x02\x03\x04\x05\x06";
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ByteArray byte_array(data);
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BaseInputStream stream{byte_array};
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EXPECT_EQ(stream.ReadInt16(), static_cast<int16_t>(0xfff1));
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EXPECT_EQ(stream.ReadInt32(), static_cast<int32_t>(0x0f0e0102));
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EXPECT_EQ(stream.ReadInt64(), static_cast<int64_t>(0x0101010203040506));
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}
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} // namespace
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} // namespace nearby
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