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