mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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92 lines
3.4 KiB
C
92 lines
3.4 KiB
C
#include <gtk.h>
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#include "gdk/gdkdihedralprivate.h"
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static void
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test_invariants (void)
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{
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GdkDihedral d;
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for (d = GDK_DIHEDRAL_NORMAL; d <= GDK_DIHEDRAL_FLIPPED_270; d++)
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{
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g_assert_cmpint (gdk_dihedral_combine (d, GDK_DIHEDRAL_NORMAL), ==, d);
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g_assert_cmpint (gdk_dihedral_combine (d, gdk_dihedral_invert (d)), ==, GDK_DIHEDRAL_NORMAL);
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g_assert_cmpint (gdk_dihedral_combine (gdk_dihedral_invert (d), d), ==, GDK_DIHEDRAL_NORMAL);
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g_assert_cmpint (gdk_dihedral_invert (gdk_dihedral_invert (d)), ==, d);
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}
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}
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static void
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test_combinations (void)
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{
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#define N0 GDK_DIHEDRAL_NORMAL
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#define N90 GDK_DIHEDRAL_90
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#define N180 GDK_DIHEDRAL_180
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#define N270 GDK_DIHEDRAL_270
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#define F0 GDK_DIHEDRAL_FLIPPED
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#define F90 GDK_DIHEDRAL_FLIPPED_90
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#define F180 GDK_DIHEDRAL_FLIPPED_180
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#define F270 GDK_DIHEDRAL_FLIPPED_270
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static GdkDihedral expected[8][8] = {
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/* N0, N90, N180, N270, F0, F90, F180, F270 */
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[N0] = { N0, N90, N180, N270, F0, F90, F180, F270 },
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[N90] = { N90, N180, N270, N0, F270, F0, F90, F180 },
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[N180] = { N180, N270, N0, N90, F180, F270, F0, F90 },
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[N270] = { N270, N0, N90, N180, F90, F180, F270, F0 },
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[F0] = { F0, F90, F180, F270, N0, N90, N180, N270 },
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[F90] = { F90, F180, F270, F0, N270, N0, N90, N180 },
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[F180] = { F180, F270, F0, F90, N180, N270, N0, N90 },
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[F270] = { F270, F0, F90, F180, N90, N180, N270, N0 },
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};
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GdkDihedral d1, d2;
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for (d1 = GDK_DIHEDRAL_NORMAL; d1 <= GDK_DIHEDRAL_FLIPPED_270; d1++)
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{
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for (d2 = GDK_DIHEDRAL_NORMAL; d2 <= GDK_DIHEDRAL_FLIPPED_270; d2++)
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{
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g_assert_cmpint (gdk_dihedral_combine (d1, d2), ==, expected[d1][d2]);
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}
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}
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}
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static void
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test_inversions (void)
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{
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_NORMAL), ==, GDK_DIHEDRAL_NORMAL);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_90), ==, GDK_DIHEDRAL_270);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_180), ==, GDK_DIHEDRAL_180);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_270), ==, GDK_DIHEDRAL_90);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_FLIPPED), ==, GDK_DIHEDRAL_FLIPPED);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_FLIPPED_90), ==, GDK_DIHEDRAL_FLIPPED_90);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_FLIPPED_180), ==, GDK_DIHEDRAL_FLIPPED_180);
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g_assert_cmpint (gdk_dihedral_invert (GDK_DIHEDRAL_FLIPPED_270), ==, GDK_DIHEDRAL_FLIPPED_270);
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}
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static void
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test_swaps (void)
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{
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g_assert_false (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_NORMAL));
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g_assert_true (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_90));
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g_assert_false (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_180));
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g_assert_true (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_270));
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g_assert_false (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_FLIPPED));
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g_assert_true (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_FLIPPED_90));
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g_assert_false (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_FLIPPED_180));
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g_assert_true (gdk_dihedral_swaps_xy (GDK_DIHEDRAL_FLIPPED_270));
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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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gtk_test_init (&argc, &argv, NULL);
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g_test_add_func ("/dihedral/inversions", test_inversions);
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g_test_add_func ("/dihedral/swaps", test_swaps);
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g_test_add_func ("/dihedral/combinations", test_combinations);
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g_test_add_func ("/dihedral/invariants", test_invariants);
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return g_test_run ();
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}
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