126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
#include <gtk/gtk.h>
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#include <cairo-gobject.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_false (res);
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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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/* Test that GdkRectangle works as a boxed type */
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static void
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test_rectangle_type (void)
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{
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GValue value = G_VALUE_INIT;
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GdkRectangle b = { 5, 5, 10, 10 };
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GdkRectangle *c;
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GValue value2 = G_VALUE_INIT;
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cairo_rectangle_int_t *c2;
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g_value_init (&value, GDK_TYPE_RECTANGLE);
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g_value_set_boxed (&value, &b);
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c = g_value_get_boxed (&value);
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g_assert_true (gdk_rectangle_equal (&b, c));
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g_assert_true (g_value_type_transformable (GDK_TYPE_RECTANGLE, CAIRO_GOBJECT_TYPE_RECTANGLE_INT));
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g_value_init (&value2, CAIRO_GOBJECT_TYPE_RECTANGLE_INT);
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g_assert_true (g_value_transform (&value, &value2));
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c2 = g_value_get_boxed (&value2);
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g_assert_cmpint (c->x, ==, c2->x);
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g_assert_cmpint (c->y, ==, c2->y);
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g_assert_cmpint (c->width, ==, c2->width);
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g_assert_cmpint (c->height, ==, c2->height);
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g_value_unset (&value);
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g_value_unset (&value2);
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}
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static void
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test_rectangle_contains (void)
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{
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GdkRectangle b = { 5, 5, 5, 5 };
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g_assert_true (gdk_rectangle_contains_point (&b, 5, 5));
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g_assert_true (gdk_rectangle_contains_point (&b, 9, 9));
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g_assert_false (gdk_rectangle_contains_point (&b, 4, 8));
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g_assert_false (gdk_rectangle_contains_point (&b, 10, 6));
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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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gtk_init ();
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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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g_test_add_func ("/rectangle/type", test_rectangle_type);
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g_test_add_func ("/rectangle/contains", test_rectangle_contains);
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return g_test_run ();
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}
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