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fraillt
2017-02-07 07:26:23 +02:00
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tests/BufferBytesOpTests.cpp Normal file
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//
// Created by Mindaugas Vinkelis on 2016-11-11.
//
#include <gmock/gmock.h>
#include "BufferWriter.h"
#include "BufferReader.h"
using testing::Eq;
using testing::ContainerEq;
#include <list>
#include <bitset>
struct IntegralTypes {
int64_t a;
uint32_t b;
int16_t c;
uint8_t d;
int8_t e;
int8_t f[2];
};
TEST(BufferBytesOperations, WriteAndReadBytes) {
//setup data
IntegralTypes data;
data.a = -4894541654564;
data.b = 94545646;
data.c = -8778;
data.d = 200;
data.e = -98;
data.f[0] = 43;
data.f[1] = -45;
//create and write to buffer
std::vector<uint8_t> buf{};
BufferWriter bw{buf};
bw.WriteBytes<4>(data.b);
bw.WriteBytes<1>(data.f[0]);
bw.WriteBytes<2>(data.c);
bw.WriteBytes<1>(data.d);
bw.WriteBytes<8>(data.a);
bw.WriteBytes<1>(data.e);
bw.WriteBytes<1>(data.f[1]);
EXPECT_THAT(std::distance(buf.begin(), buf.end()), Eq(18));
//read from buffer
BufferReader br{buf};
IntegralTypes res{};
EXPECT_THAT(br.ReadBytes<4>(res.b), Eq(true));
EXPECT_THAT(br.ReadBytes<1>(res.f[0]), Eq(true));
EXPECT_THAT(br.ReadBytes<2>(res.c), Eq(true));
EXPECT_THAT(br.ReadBytes<1>(res.d), Eq(true));
EXPECT_THAT(br.ReadBytes<8>(res.a), Eq(true));
EXPECT_THAT(br.ReadBytes<1>(res.e), Eq(true));
EXPECT_THAT(br.ReadBytes<1>(res.f[1]), Eq(true));
//assert results
EXPECT_THAT(data.a, Eq(res.a));
EXPECT_THAT(data.b, Eq(res.b));
EXPECT_THAT(data.c, Eq(res.c));
EXPECT_THAT(data.d, Eq(res.d));
EXPECT_THAT(data.e, Eq(res.e));
EXPECT_THAT(data.f, ContainerEq(res.f));
}
TEST(BufferBytesOperations, ReadReturnsFalseIfNotEnoughBufferSize) {
//setup data
uint8_t a = 111;
//create and write to buffer
std::vector<uint8_t> buf{};
BufferWriter bw{buf};
bw.WriteBytes<1>(a);
bw.WriteBytes<1>(a);
bw.WriteBytes<1>(a);
//read from buffer
BufferReader br{buf};
int16_t b;
int32_t c;
EXPECT_THAT(br.ReadBytes<4>(c), Eq(false));
EXPECT_THAT(br.ReadBytes<2>(b), Eq(true));
EXPECT_THAT(br.ReadBytes<2>(b), Eq(false));
EXPECT_THAT(br.ReadBytes<1>(a), Eq(true));
EXPECT_THAT(br.ReadBytes<1>(a), Eq(false));
EXPECT_THAT(br.ReadBytes<2>(b), Eq(false));
EXPECT_THAT(br.ReadBytes<4>(c), Eq(false));
}
TEST(BufferBytesOperations, ReadIsCompletedWhenAllBytesAreRead) {
//setup data
IntegralTypes data;
data.b = 94545646;
data.c = -8778;
data.d = 200;
//create and write to buffer
std::vector<uint8_t> buf{};
BufferWriter bw{buf};
bw.WriteBytes<4>(data.b);
bw.WriteBytes<2>(data.c);
bw.WriteBytes<1>(data.d);
//read from buffer
BufferReader br{buf};
IntegralTypes res;
EXPECT_THAT(br.ReadBytes<4>(res.b), Eq(true));
EXPECT_THAT(br.ReadBytes<2>(res.c), Eq(true));
EXPECT_THAT(br.isCompleted(), Eq(false));
EXPECT_THAT(br.ReadBytes<1>(res.d), Eq(true));
EXPECT_THAT(br.isCompleted(), Eq(true));
EXPECT_THAT(br.ReadBytes<1>(res.d), Eq(false));
EXPECT_THAT(br.isCompleted(), Eq(true));
BufferReader br1{buf};
EXPECT_THAT(br1.ReadBytes<4>(res.b), Eq(true));
EXPECT_THAT(br1.ReadBytes<2>(res.c), Eq(true));
EXPECT_THAT(br1.isCompleted(), Eq(false));
EXPECT_THAT(br1.ReadBytes<2>(res.c), Eq(false));
EXPECT_THAT(br1.isCompleted(), Eq(false));
EXPECT_THAT(br1.ReadBytes<1>(res.d), Eq(true));
EXPECT_THAT(br1.isCompleted(), Eq(true));
}