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83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
#include <gdk/gdk.h>
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static void
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test_rectangle_equal (void)
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{
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GdkRectangle a = { 0, 0, 1, 1 };
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GdkRectangle b = { 1, 1, 2, 2 };
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GdkRectangle c = { 0, 0, 2, 2 };
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GdkRectangle d = { 0, 0, 1, 1 };
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GdkRectangle e = { 0, 0, 0, 0 };
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GdkRectangle f = { 1, 1, 0, 0 };
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g_assert_true (!gdk_rectangle_equal (&a, &b));
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g_assert_true (!gdk_rectangle_equal (&a, &c));
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g_assert_true (!gdk_rectangle_equal (&b, &c));
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g_assert_true ( gdk_rectangle_equal (&a, &d));
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g_assert_true (!gdk_rectangle_equal (&e, &f));
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}
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static void
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test_rectangle_intersect (void)
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{
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GdkRectangle a = { 0, 0, 10, 10 };
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GdkRectangle b = { 5, 5, 10, 10 };
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GdkRectangle c = { 0, 0, 0, 0 };
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GdkRectangle d = { 5, 5, 5, 5 };
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GdkRectangle e = { 0, 0, 10, 10 };
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GdkRectangle f = { 20, 20, 10, 10 };
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GdkRectangle g = { 0, 0, 0, 0 };
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GdkRectangle h = { 10, 10, 0, 0 };
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gboolean res;
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res = gdk_rectangle_intersect (&a, &b, &c);
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g_assert_true (res);
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g_assert_true (gdk_rectangle_equal (&c, &d));
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/* non-empty, non-intersecting rectangles */
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res = gdk_rectangle_intersect (&e, &f, &f);
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g_assert_cmpint (f.width, ==, 0);
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g_assert_cmpint (f.height, ==, 0);
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/* empty rectangles */
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res = gdk_rectangle_intersect (&g, &h, NULL);
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g_assert_true (!res);
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}
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static void
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test_rectangle_union (void)
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{
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GdkRectangle a = { 0, 0, 10, 10 };
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GdkRectangle b = { 5, 5, 10, 10 };
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GdkRectangle c = { 0, 0, 0, 0 };
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GdkRectangle d = { 0, 0, 15, 15 };
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GdkRectangle e = { 0, 0, 0, 0 };
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GdkRectangle f = { 50, 50, 0, 0 };
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GdkRectangle g = { 0, 0, 50, 50 };
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gdk_rectangle_union (&a, &b, &c);
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g_assert_true (gdk_rectangle_equal (&c, &d));
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gdk_rectangle_union (&a, &b, &b);
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g_assert_true (gdk_rectangle_equal (&b, &d));
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gdk_rectangle_union (&e, &f, &f);
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g_assert_true (gdk_rectangle_equal (&f, &g));
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}
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int
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main (int argc, char *argv[])
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{
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g_test_init (&argc, &argv, NULL);
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gdk_init (NULL, NULL);
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g_test_bug_base ("http://bugzilla.gnome.org/");
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g_test_add_func ("/rectangle/equal", test_rectangle_equal);
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g_test_add_func ("/rectangle/intersect", test_rectangle_intersect);
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g_test_add_func ("/rectangle/union", test_rectangle_union);
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return g_test_run ();
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}
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