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167 lines (151 loc) · 4.69 KB
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#include "ringbuffer.h"
#include "gtest.h"
TEST(RingBuffer, simpleTestGetPut) {
RingBuffer<int> intTest(10);
EXPECT_EQ(0, intTest.availableNumberElements());
EXPECT_EQ(true, intTest.isEmpty());
intTest.put(10);
EXPECT_EQ(1, intTest.availableNumberElements());
EXPECT_EQ(false, intTest.isEmpty());
intTest.put(20);
EXPECT_EQ(2, intTest.availableNumberElements());
int tmp;
intTest.get(&tmp);
EXPECT_EQ(10, tmp);
EXPECT_EQ(1, intTest.availableNumberElements());
intTest.get(&tmp);
EXPECT_EQ(20, tmp);
EXPECT_EQ(0, intTest.availableNumberElements());
EXPECT_EQ(true, intTest.isEmpty());
intTest.put(10);
intTest.put(20);
intTest.put(30);
intTest.clear();
EXPECT_EQ(0, intTest.availableNumberElements());
EXPECT_EQ(true, intTest.isEmpty());
}
TEST(RingBuffer, simpleTestArrayGetPut) {
RingBuffer<int> intTest(10);
EXPECT_EQ(0, intTest.availableNumberElements());
int tmpArray[] = {1,2,3,4,5,6,7,8,9};
intTest.put(tmpArray, 9);
EXPECT_EQ(9, intTest.availableNumberElements());
int tmpArray2[9];
intTest.get(tmpArray2, 9);
EXPECT_EQ(1, tmpArray2[0]);
EXPECT_EQ(2, tmpArray2[1]);
EXPECT_EQ(3, tmpArray2[2]);
EXPECT_EQ(4, tmpArray2[3]);
EXPECT_EQ(5, tmpArray2[4]);
EXPECT_EQ(6, tmpArray2[5]);
EXPECT_EQ(7, tmpArray2[6]);
EXPECT_EQ(8, tmpArray2[7]);
EXPECT_EQ(9, tmpArray2[8]);
}
TEST(RingBuffer, simpleOverflow) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3,4,5,6,7,8,9};
intTest.put(tmpArray, 9);
EXPECT_EQ(9, intTest.availableNumberElements());
intTest.put(10);
EXPECT_EQ(9, intTest.availableNumberElements());
intTest.put(11);
EXPECT_EQ(9, intTest.availableNumberElements());
for(int i=0; i<100; ++i) {
intTest.put(12+i);
EXPECT_EQ(9, intTest.availableNumberElements());
}
}
TEST(RingBuffer, simpleArrayOverflow) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3};
intTest.put(tmpArray,3);
EXPECT_EQ(3, intTest.availableNumberElements());
intTest.put(tmpArray,3);
EXPECT_EQ(6, intTest.availableNumberElements());
intTest.put(tmpArray,3);
EXPECT_EQ(9, intTest.availableNumberElements());
for(int i=0; i<100; ++i) {
intTest.put(tmpArray,3);
EXPECT_EQ(9, intTest.availableNumberElements());
}
}
TEST(RingBuffer, simpleOverflow2) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3,4,5,6,7,8,9};
intTest.put(tmpArray, 9);
EXPECT_EQ(9, intTest.availableNumberElements());
intTest.put(10);
EXPECT_EQ(9, intTest.availableNumberElements());
int tmp;
intTest.get(&tmp);
EXPECT_EQ(2, tmp);
EXPECT_EQ(8, intTest.availableNumberElements());
intTest.put(11);
EXPECT_EQ(9, intTest.availableNumberElements());
intTest.put(12);
EXPECT_EQ(9, intTest.availableNumberElements());
intTest.get(&tmp);
EXPECT_EQ(4, tmp);
}
TEST(RingBuffer, simpleOverflowTotalAvailable) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3,4,5,6,7,8,9};
intTest.put(tmpArray, 9);
EXPECT_EQ(9, intTest.totalAvailableNumberElements());
intTest.put(10);
EXPECT_EQ(9, intTest.totalAvailableNumberElements());
int tmp;
intTest.get(&tmp);
EXPECT_EQ(9, intTest.totalAvailableNumberElements());
intTest.put(11);
EXPECT_EQ(9, intTest.totalAvailableNumberElements());
intTest.put(12);
intTest.get(&tmp);
EXPECT_EQ(9, intTest.totalAvailableNumberElements());
}
TEST(RingBuffer, simpleReset) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3,4,5,6,7};
intTest.put(tmpArray, 7);
EXPECT_EQ(7, intTest.availableNumberElements());
intTest.resetReadPosition();
EXPECT_EQ(0, intTest.availableNumberElements());
intTest.put(10);
int tmp;
intTest.get(&tmp);
EXPECT_EQ(10, tmp);
}
TEST(RingBuffer, simpleReset2) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3,4,5,6,7,8,9};
intTest.put(tmpArray, 9);
EXPECT_EQ(9, intTest.availableNumberElements());
intTest.resetReadPosition();
EXPECT_EQ(0, intTest.availableNumberElements());
intTest.put(10);
int tmp;
intTest.get(&tmp);
EXPECT_EQ(10, tmp);
}
TEST(RingBuffer, simpleRead) {
RingBuffer<int> intTest(10);
int tmpArray[] = {1,2,3,4,5,6,7,8,9};
intTest.put(tmpArray, 9);
intTest.put(10); //overwrites 1
intTest.put(11); //overwrites 2
intTest.put(12); //overwrites 3
intTest.put(13); //overwrites 4
int tmpArray2[9];
EXPECT_EQ(9, intTest.totalAvailableNumberElements());
intTest.totalGet(tmpArray2, 9);
EXPECT_EQ(5, tmpArray2[0]);
EXPECT_EQ(6, tmpArray2[1]);
EXPECT_EQ(7, tmpArray2[2]);
EXPECT_EQ(8, tmpArray2[3]);
EXPECT_EQ(9, tmpArray2[4]);
EXPECT_EQ(10, tmpArray2[5]);
EXPECT_EQ(11, tmpArray2[6]);
EXPECT_EQ(12, tmpArray2[7]);
EXPECT_EQ(13, tmpArray2[8]);
}