mirror of https://github.com/PCSX2/pcsx2.git
157 lines
3.8 KiB
C
157 lines
3.8 KiB
C
/**
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* Automated SDL rect test.
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*
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* Written by Edgar Simo "bobbens"
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*
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* Released under Public Domain.
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*/
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#include "SDL_rect.h"
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#include "../SDL_at.h"
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/*
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* Prototypes.
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*/
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static void rect_testIntersectRectAndLine (void);
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/**
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* @brief Tests SDL_IntersectRectAndLine()
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*/
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static void rect_testIntersectRectAndLine (void)
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{
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SDL_Rect rect = { 0, 0, 32, 32 };
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int x1, y1;
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int x2, y2;
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SDL_bool clipped;
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SDL_ATbegin( "IntersectRectAndLine" );
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x1 = -10;
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y1 = 0;
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x2 = -10;
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y2 = 31;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( !clipped &&
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x1 == -10 && y1 == 0 && x2 == -10 && y2 == 31,
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"line outside to the left was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = 40;
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y1 = 0;
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x2 = 40;
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y2 = 31;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( !clipped &&
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x1 == 40 && y1 == 0 && x2 == 40 && y2 == 31,
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"line outside to the right was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = 0;
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y1 = -10;
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x2 = 31;
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y2 = -10;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( !clipped &&
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x1 == 0 && y1 == -10 && x2 == 31 && y2 == -10,
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"line outside above was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = 0;
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y1 = 40;
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x2 = 31;
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y2 = 40;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( !clipped &&
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x1 == 0 && y1 == 40 && x2 == 31 && y2 == 40,
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"line outside below was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = 0;
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y1 = 0;
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x2 = 31;
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y2 = 31;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( clipped &&
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x1 == 0 && y1 == 0 && x2 == 31 && y2 == 31,
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"line fully inside rect was clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = -10;
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y1 = 15;
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x2 = 40;
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y2 = 15;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( clipped &&
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x1 == 0 && y1 == 15 && x2 == 31 && y2 == 15,
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"horizontal line rect was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = -32;
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y1 = -32;
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x2 = 63;
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y2 = 63;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( clipped &&
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x1 == 0 && y1 == 0 && x2 == 31 && y2 == 31,
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"diagonal line to lower right was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = 63;
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y1 = 63;
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x2 = -32;
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y2 = -32;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( clipped &&
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x1 == 31 && y1 == 31 && x2 == 0 && y2 == 0,
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"diagonal line to upper left was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = 63;
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y1 = -32;
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x2 = -32;
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y2 = 63;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( clipped &&
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x1 == 31 && y1 == 0 && x2 == 0 && y2 == 31,
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"diagonal line to lower left was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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x1 = -32;
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y1 = 63;
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x2 = 63;
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y2 = -32;
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clipped = SDL_IntersectRectAndLine(&rect, &x1, &y1, &x2, &y2);
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SDL_ATvassert( clipped &&
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x1 == 0 && y1 == 31 && x2 == 31 && y2 == 0,
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"diagonal line to upper right was incorrectly clipped: %d,%d - %d,%d",
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x1, y1, x2, y2);
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SDL_ATend();
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}
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/**
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* @brief Rect test entrypoint.
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*/
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#ifdef TEST_STANDALONE
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int main( int argc, const char *argv[] )
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{
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(void) argc;
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(void) argv;
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#else /* TEST_STANDALONE */
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int test_rect (void)
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{
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#endif /* TEST_STANDALONE */
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SDL_ATinit( "Rect" );
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rect_testIntersectRectAndLine();
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return SDL_ATfinish();
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}
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