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67 lines
1.7 KiB
C

#include "shape.h"
#include "rectangle.h"
#include "qassert.h" /* for Q_ASSERT */
#include <stdlib.h> /* for malloc() and free() */
Q_DEFINE_THIS_FILE /* file name for assertions */
Shape s1; /* static allocation */
Rectangle r1; /* static allocation */
uint32_t a;
int main(void) {
Shape s2; /* automatic allocation */
Shape *ps3 = malloc(sizeof(Rectangle)); /* dynamic allocation */
//Shape const *ps1 = &s1; /* const pointer to s1 */
Shape_ctor(&s1, 1, 2);
Shape_ctor(&s2, 3, 4);
Rectangle_ctor((Rectangle *)ps3, 5, 6, 10, 13);
Rectangle_ctor(&r1, 1, 2, 15, 10);
Shape const *graph[] = {
&s1,
(Shape *)&r1,
ps3,
(Shape *)0
};
drawGraph(graph); // <== generic drawGraph() operation
Shape_moveBy(&s1, 7, 8);
Shape_moveBy(&s2, 9, 10);
Shape_moveBy(ps3, -1, -2);
//Shape_moveBy(ps1, -3, -4);
Rectangle_draw(&r1);
a = Rectangle_area(&r1);
Shape_moveBy((Shape *)&r1, 7, 8);
Q_ASSERT(Shape_distanceFrom((Shape *)&r1, (Shape *)&r1) == 0U);
Q_ASSERT(Shape_distanceFrom(&s1, &s1) == 0U);
Q_ASSERT(Shape_distanceFrom(&s1, &s2) ==
Shape_distanceFrom(&s2, &s1));
Q_ASSERT(Shape_distanceFrom(&s1, &s2) <=
Shape_distanceFrom(&s1, ps3)
+ Shape_distanceFrom(ps3, &s2));
free(ps3);
while (1) {
}
//return 0; // unreachable code
}
//............................................................................
void Q_onAssert(char const *module, int loc) {
// TBD: damage control
(void)module; // avoid the "unused parameter" compiler warning
(void)loc; // avoid the "unused parameter" compiler warning
while (1) { // hang in an endless loop
}
}