1 files changed, 84 insertions, 0 deletions
diff --git a/src/tests/clutter/conform/point.c b/src/tests/clutter/conform/point.c
new file mode 100644
index 000000000..c8ecac709
--- /dev/null
+++ b/src/tests/clutter/conform/point.c
@@ -0,0 +1,84 @@
+#include "tests/clutter-test-utils.h"
+
+#include <clutter/clutter.h>
+
+static void
+point_on_nonempty_quadrilateral (void)
+{
+  int p;
+  static const ClutterPoint vertices[4] =
+    {
+      { 1.f, 2.f },
+      { 6.f, 3.f },
+      { 7.f, 6.f },
+      { 0.f, 5.f }
+    };
+  static const ClutterPoint points_inside[] =
+    {
+      { 2.f, 3.f },
+      { 1.f, 4.f },
+      { 5.f, 5.f },
+      { 4.f, 3.f },
+    };
+  static const ClutterPoint points_outside[] =
+    {
+      { 3.f, 1.f },
+      { 7.f, 4.f },
+      { 4.f, 6.f },
+      { 99.f, -77.f },
+      { -1.f, 3.f },
+      { -8.f, -8.f },
+      { 11.f, 4.f },
+      { -7.f, 4.f },
+    };
+
+  for (p = 0; p < G_N_ELEMENTS (points_inside); p++)
+    {
+      const ClutterPoint *point = &points_inside[p];
+
+      g_assert_true (clutter_point_inside_quadrilateral (point, vertices));
+    }
+
+  for (p = 0; p < G_N_ELEMENTS (points_outside); p++)
+    {
+      const ClutterPoint *point = &points_outside[p];
+
+      g_assert_false (clutter_point_inside_quadrilateral (point, vertices));
+    }
+}
+
+static void
+point_on_empty_quadrilateral (void)
+{
+  int p;
+  static const ClutterPoint vertices[4] =
+    {
+      { 5.f, 6.f },
+      { 5.f, 6.f },
+      { 5.f, 6.f },
+      { 5.f, 6.f },
+    };
+  static const ClutterPoint points_outside[] =
+    {
+      { 3.f, 1.f },
+      { 7.f, 4.f },
+      { 4.f, 6.f },
+      { 99.f, -77.f },
+      { -1.f, 3.f },
+      { -8.f, -8.f },
+    };
+
+  for (p = 0; p < G_N_ELEMENTS (points_outside); p++)
+    {
+      const ClutterPoint *point = &points_outside[p];
+
+      g_assert_false (clutter_point_inside_quadrilateral (point, vertices));
+    }
+
+  g_assert_false (clutter_point_inside_quadrilateral (&vertices[0], vertices));
+}
+
+CLUTTER_TEST_SUITE (
+  CLUTTER_TEST_UNIT ("/point/on_nonempty_quadrilateral", point_on_nonempty_quadrilateral)
+  CLUTTER_TEST_UNIT ("/point/on_empty_quadrilateral", point_on_empty_quadrilateral)
+)