Rename student examples

This commit is contained in:
2021-10-17 23:29:44 -07:00
parent 0101f0c6da
commit ee88b2faa6

View File

@@ -12,7 +12,7 @@
#endif
typedef struct line {
int x0, y0, x1, y1;
int x0, y0, x1, y1;
} line_t;
static line_t referenceLines[4];
@@ -23,195 +23,227 @@ static int actualIdx = 0;
/* drawReferenceLine implementation. */
void drawReferenceLine(int x0, int y0, int x1, int y1) {
if (referenceIdx < sizeof(referenceLines) / sizeof(line_t)) {
referenceLines[referenceIdx++] = (line_t) {x0, y0, x1, y1};
} else {
exit(1);
}
if (referenceIdx < sizeof(referenceLines) / sizeof(line_t)) {
referenceLines[referenceIdx++] = (line_t) {.x0 = x0, .y0 = y0, .x1 = x1, .y1 = y1};
} else {
exit(1);
}
}
/* drawLine implementation. */
void drawLine(int x0, int y0, int x1, int y1) {
if (actualIdx < sizeof(actualLines) / sizeof(line_t)) {
actualLines[actualIdx++] = (line_t) {x0, y0, x1, y1};
} else {
exit(1);
}
if (actualIdx < sizeof(actualLines) / sizeof(line_t)) {
actualLines[actualIdx++] = (line_t) {.x0 = x0, .y0 = y0, .x1 = x1, .y1 = y1};
} else {
exit(1);
}
}
/* drawSquare implementations follow. */
void drawSquareWeird(int x, int y, int len)
static void drawSquareStudent1(int x, int y, int len) {
if (x+len > 10){
len = 10-x;
}
{
if (y+len > 10){
len = 10-y;
}
if(((x+len<10) && (x-len>= 0)) && ((y-len>0) && (y+len<=10)) && len>0)
drawLine(x, y, x+len, y);
{
drawLine(x, y, x, y+len);
drawLine(x, y, x+len, y);
drawLine(x+len, y, x+len, y+len);
drawLine(x+len, y, x+len, y-len);
drawLine(x+len, y-len, x, y-len);
drawLine(x, y-len, x, y);
}
else
{
while(len<=0)
{
len++;
}
while(((x+len<10) && (x-len>= 0)) && ((y-len>0) && (y+len<=10)) == false)
{
len--;
}
drawLine(x, y, x+len, y);
drawLine(x+len, y, x+len, y-len);
drawLine(x+len, y-len, x, y-len);
drawLine(x, y-len, x, y);
}
drawLine(x, y+len, x+len, y+len);
}
static void drawSquareAlmostCorrect(int x, int y, int len) {
if (x+len > 10){
len = 10-x;
}
void drawSquareStudent2(int x, int y, int len)
{
if (y+len > 10){
len = 10-y;
}
if(((x+len<10) && (x-len>= 0)) && ((y-len>0) && (y+len<=10)) && len>0)
drawLine(x, y, x+len, y);
{
drawLine(x, y, x, y+len);
drawLine(x, y, x+len, y);
drawLine(x+len, y, x+len, y+len);
drawLine(x+len, y, x+len, y-len);
drawLine(x, y+len, x+len, y+len);
drawLine(x+len, y-len, x, y-len);
drawLine(x, y-len, x, y);
}
else
{
while(len<=0)
{
len++;
}
while(((x+len<10) && (x-len>= 0)) && ((y-len>0) && (y+len<=10)) == false)
{
len--;
}
drawLine(x, y, x+len, y);
drawLine(x+len, y, x+len, y-len);
drawLine(x+len, y-len, x, y-len);
drawLine(x, y-len, x, y);
}
}
void drawSquareStudent3(int x, int y, int len)
{
if (0 <= x && x > 10 && 0 < y && y <= 10 && len > 0){
drawLine(x, y, x + len, y);
drawLine(x + len, y, x + len, y - len);
drawLine(x + len, y - len, x, y - len);
drawLine(x, y - len, x, y);
}
else if (x + len < 0|| y - len >= 10){
len++;
drawLine(x, y, x + len, y);
drawLine(x + len, y, x + len, y - len);
drawLine(x + len, y - len, x, y - len);
drawLine(x, y - len, x, y);
}
else {
len--;
drawLine(x, y, x + len, y);
drawLine(x + len, y, x + len, y - len);
drawLine(x + len, y - len, x, y - len);
drawLine(x, y - len, x, y);
}
}
/* Example drawSquare that's just drawReferenceSquare reordered. */
static void drawSquareReordered(int x, int y, int len) {
if (x+len > 10){
len = 10-x;
}
if (x+len > 10){
len = 10-x;
}
if (y-len < 0){
len = y;
}
if (y-len < 0){
len = y;
}
drawLine(x, y-len, x, y);
drawLine(x+len, y-len, x, y-len);
drawLine(x, y, x+len, y);
drawLine(x+len, y-len, x+len, y);
drawLine(x, y-len, x, y);
drawLine(x+len, y-len, x, y-len);
drawLine(x, y, x+len, y);
drawLine(x+len, y-len, x+len, y);
}
/** Draws the "reference" square. */
static void drawReferenceSquare(int x, int y, int len) {
if (x+len > 10){
len = 10-x;
}
if (x+len > 10){
len = 10-x;
}
if (y-len < 0){
len = y;
}
if (y-len < 0){
len = y;
}
drawReferenceLine(x, y, x+len, y);
drawReferenceLine(x+len, y, x+len, y-len);
drawReferenceLine(x+len, y-len, x, y-len);
drawReferenceLine(x, y-len, x, y);
drawReferenceLine(x, y, x+len, y);
drawReferenceLine(x+len, y, x+len, y-len);
drawReferenceLine(x+len, y-len, x, y-len);
drawReferenceLine(x, y-len, x, y);
}
/** Compares that the drawn square is equal to the reference square. */
static int compareSquares(void) {
int ret = 0;
int ret = 0;
const int numLines = sizeof(actualLines) / sizeof(line_t);
int confirmed[numLines] = {0};
int numConfirmed = 0;
for (int actualIdx = 0; actualIdx < numLines; actualIdx++) {
line_t *actualLine = &actualLines[actualIdx];
bool found = false;
for (int referenceIdx = 0; referenceIdx < numLines; referenceIdx++) {
line_t *referenceLine = &referenceLines[referenceIdx];
bool skipThis = false;
for (int idx = 0; idx < numConfirmed; idx++) {
if (confirmed[idx] == referenceIdx) {
skipThis = true;
break;
}
}
const int numLines = sizeof(actualLines) / sizeof(line_t);
int confirmed[numLines] = {0};
int numConfirmed = 0;
for (int actualIdx = 0; actualIdx < numLines; actualIdx++) {
line_t *actualLine = &actualLines[actualIdx];
bool found = false;
for (int referenceIdx = 0; referenceIdx < numLines; referenceIdx++) {
line_t *referenceLine = &referenceLines[referenceIdx];
bool skipThis = false;
for (int idx = 0; idx < numConfirmed; idx++) {
if (confirmed[idx] == referenceIdx) {
skipThis = true;
break;
}
}
if (!skipThis && (
(actualLine->x0 == referenceLine->x0
&& actualLine->y0 == referenceLine->y0
&& actualLine->x1 == referenceLine->x1
&& actualLine->y1 == referenceLine->y1) ||
(actualLine->x1 == referenceLine->x0
&& actualLine->y1 == referenceLine->y0
&& actualLine->x0 == referenceLine->x1
&& actualLine->y0 == referenceLine->y1))) {
found = true;
confirmed[numConfirmed++] = referenceIdx;
break;
}
}
if (!found) {
ret = 1;
break;
}
}
if (!skipThis && (
(actualLine->x0 == referenceLine->x0
&& actualLine->y0 == referenceLine->y0
&& actualLine->x1 == referenceLine->x1
&& actualLine->y1 == referenceLine->y1) ||
(actualLine->x1 == referenceLine->x0
&& actualLine->y1 == referenceLine->y0
&& actualLine->x0 == referenceLine->x1
&& actualLine->y0 == referenceLine->y1))) {
found = true;
confirmed[numConfirmed++] = referenceIdx;
break;
}
}
if (!found) {
ret = 1;
break;
}
}
return ret;
return ret;
}
int main() {
int x, y, len;
klee_make_symbolic(&x, sizeof(x), "x");
klee_make_symbolic(&y, sizeof(y), "y");
klee_make_symbolic(&len, sizeof(len), "len");
klee_assume(x >= 0 && x < 10 && y >= 0 && y < 10 && len > 0 && len <= 10);
int x, y, len;
klee_make_symbolic(&x, sizeof(x), "x");
klee_make_symbolic(&y, sizeof(y), "y");
klee_make_symbolic(&len, sizeof(len), "len");
klee_assume(x >= 0 && x < 10 && y >= 0 && y < 10 && len > 0 && len <= 10);
drawReferenceSquare(x, y, len);
drawSquare(x, y, len);
drawReferenceSquare(x, y, len);
drawSquare(x, y, len);
int ret = compareSquares();
int ret = compareSquares();
if (klee_is_replay()) {
printf("Inputs: x=%d, y=%d, len=%d\n", x, y, len);
if (klee_is_replay()) {
printf("Inputs: x=%d, y=%d, len=%d\n", x, y, len);
const int numLines = sizeof(referenceLines) / sizeof(line_t);
for (int referenceIdx = 0; referenceIdx < numLines; referenceIdx++) {
line_t *referenceLine = &referenceLines[referenceIdx];
printf("Reference: (%d, %d) -> (%d, %d)\n", referenceLine->x0, referenceLine->y0, referenceLine->x1, referenceLine->y1);
}
for (int actualIdx = 0; actualIdx < numLines; actualIdx++) {
line_t *actualLine = &actualLines[actualIdx];
printf("Actual: (%d, %d) -> (%d, %d)\n", actualLine->x0, actualLine->y0, actualLine->x1, actualLine->y1);
}
const int numLines = sizeof(referenceLines) / sizeof(line_t);
for (int referenceIdx = 0; referenceIdx < numLines; referenceIdx++) {
line_t *referenceLine = &referenceLines[referenceIdx];
printf("Reference: (%d, %d) -> (%d, %d)\n", referenceLine->x0, referenceLine->y0, referenceLine->x1, referenceLine->y1);
}
for (int actualIdx = 0; actualIdx < numLines; actualIdx++) {
line_t *actualLine = &actualLines[actualIdx];
printf("Actual: (%d, %d) -> (%d, %d)\n", actualLine->x0, actualLine->y0, actualLine->x1, actualLine->y1);
}
if (ret == 0) {
printf("All outputs matched\n");
} else {
printf("Outputs mismatched\n");
}
}
if (ret == 0) {
printf("All outputs matched\n");
} else {
printf("Outputs mismatched\n");
}
}
return 0;
return 0;
}